]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.graph/src/org/simantics/graph/representation/PrettyPrintTG.java
Lots of fixes for PrettyPrintTG
[simantics/platform.git] / bundles / org.simantics.graph / src / org / simantics / graph / representation / PrettyPrintTG.java
index 3243b82bd1c3aeb6be8e424ac7b907845ddaa240..23ce5e56c1258033749ad5695ad4d6635b048b39 100644 (file)
@@ -4,156 +4,315 @@ import java.io.BufferedInputStream;
 import java.io.DataInput;
 import java.io.DataInputStream;
 import java.io.InputStream;
+import java.math.BigInteger;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
 import java.util.TreeMap;
+import java.util.TreeSet;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
 
+import org.simantics.databoard.Bindings;
 import org.simantics.databoard.binding.Binding;
 import org.simantics.databoard.binding.mutable.Variant;
 import org.simantics.databoard.container.DataContainers;
-import org.simantics.databoard.type.Datatype;
+import org.simantics.databoard.parser.DataValuePrinter;
+import org.simantics.databoard.parser.PrintFormat;
+import org.simantics.databoard.parser.repository.DataValueRepository;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import gnu.trove.list.array.TIntArrayList;
+import gnu.trove.map.hash.THashMap;
+import gnu.trove.map.hash.TIntIntHashMap;
 import gnu.trove.map.hash.TIntObjectHashMap;
+import gnu.trove.procedure.TIntIntProcedure;
 import gnu.trove.set.hash.TLongHashSet;
 
 /**
  * @author Antti Villberg
  * @since 1.24.0
  */
-public class PrettyPrintTG extends TransferableGraphUtils {
+public class PrettyPrintTG {
 
+    private static final Logger LOGGER = LoggerFactory.getLogger(PrettyPrintTG.class);
+    
+    private static final boolean DEBUG = false;
+    
        int blankCounter = 0;
-       
+       int newBlankCounter = 0;
+       Map<String, String> blankRewrites = new HashMap<>();
+       MessageDigest m;
+
+       private final Pattern versionExtractPattern = Pattern.compile("^.*-(\\d+\\.\\d+)");
+
        final StringBuilder output;
-       
+       final Map<String,String> ontologies = new HashMap<>(knownOntologies);
+       final Set<String> referencedOntologies = new TreeSet<>();
+
+    private boolean ignoreIdentifiers;
+
        static class ResourceInfo {
                final boolean hasURI;
-               final String name;
+               String name;
                final int resource;
                boolean newResource = false;
-               int owner = 0;
-               int ownerPredicate = 0;
+               
+               int parent;
+               
+               boolean inlined = false;
+               
+               // -1 = no owner, -2 = multiple owners
+               
+               // Set<ResourceInfo> ownedBy
+               Set<ResourceInfo> ownedBy = new HashSet<>();
+               
+               // A Map<Integer, Integer> containing information about resource that this resource owns and what are the predicates for forming this ownership
+               TIntIntHashMap ownedResourcesWithPredicates = new TIntIntHashMap();
+               
+//             int owner = -1;
+//             int ownerPredicate = 0;
                String aliasURI = null;
                TIntArrayList owned = new TIntArrayList();
-               TIntArrayList statements = new TIntArrayList();
-               public ResourceInfo(boolean hasURI, String name, int resource) {
+               //TIntObjectHashMap<TIntHashSet> statements = new TIntObjectHashMap<TIntHashSet>();
+               public ResourceInfo(boolean hasURI, String name, int resource, int parent) {
                        this.hasURI = hasURI;
                        this.name = name;
                        this.resource = resource;
+                       this.parent = parent;
+               }
+               
+               @Override
+               public String toString() {
+                   return name + (aliasURI != null ? " = <" + aliasURI + ">" : "");
                }
        }
-       
-       public PrettyPrintTG(StringBuilder b) {
+
+       public PrettyPrintTG(StringBuilder b, boolean ignoreIdentifiers) throws NoSuchAlgorithmException {
                output = b;
+               m = MessageDigest.getInstance("SHA-256");
+               this.ignoreIdentifiers = ignoreIdentifiers;
        }
-       
-       public PrettyPrintTG() {
-               this(new StringBuilder());
+
+       public PrettyPrintTG() throws NoSuchAlgorithmException {
+               this(new StringBuilder(), false);
        }
 
+       TreeMap<String, ResourceInfo> orderedInfos = new TreeMap<>();
        TIntObjectHashMap<ResourceInfo> infos = new TIntObjectHashMap<>();
-       
+
        String tgNodeName(String name) {
                if(name.contains(" ")) return "\"" + name + "\"";
                else return name;
        }
-       
-       ResourceInfo recurseURI(TransferableGraph1 graph, Identity parent, String parentName) {
-               String name = parentName + "." + tgNodeName(getName(parent));
-               ResourceInfo info = new ResourceInfo(true, name, parent.resource); 
-               infos.put(parent.resource, info);
-               for(Identity child : getChildren(graph, parent)) {
-                       recurseURI(graph, child, name);
+
+       ResourceInfo recurseURI(TransferableGraph1 graph, Identity parent, String parentName, int parentId) {
+               String name = parentName + "." + tgNodeName(TransferableGraphUtils.getName(parent));
+               ResourceInfo info = new ResourceInfo(true, name, parent.resource, parentId);
+               orderedInfos.put(name, info);
+//             infos.put(parent.resource, info);
+               for(Identity child : TransferableGraphUtils.getChildren(graph, parent)) {
+                       recurseURI(graph, child, name, info.resource);
                }
                return info;
        }
+
+    private TreeMap<String, TreeSet<Integer>> sortByPredicateUniqueStatements(TransferableGraph1 graph, int resource) {
+        TreeMap<String, TreeSet<Integer>> results = new TreeMap<>();
+        TIntArrayList statements = TransferableGraphUtils.getStatements(graph, resource);
+        for (int i = 0; i < statements.size(); i += 2) {
+            int predicate = statements.get(i);
+            String predicateURI = TransferableGraphUtils.getURI(graph, predicate);
+            TreeSet<Integer> objects = results.get(predicateURI);
+            if (objects == null) {
+                objects = new TreeSet<>();
+            }
+            objects.add(statements.get(i+1));
+            results.put(predicateURI, objects);
+        }
+        return results;
+    }
        
-       void discoverBlank(TransferableGraph1 graph, int resource, TIntArrayList todo) {
-               TIntArrayList statements = getStatements(graph, resource);
-               for(int i=0;i<statements.size();i+=2) {
-                       int object = statements.get(i+1);
-                       Identity objectId = getIdentity(graph, object);
-                       if(objectId != null) {
-                               if(objectId.definition instanceof External) continue;
-                       }
-                       Value value = TransferableGraphUtils.findValue(graph, object);
-                       if(value != null) {
-                               infos.put(object, new ResourceInfo(false, printValue(value), object));
-                               continue;
-                       }
-                       
-                       ResourceInfo existing = infos.get(object);
-                       if(existing == null) {
-                               existing = new ResourceInfo(false, "blank" + blankCounter++, object);
-                               infos.put(object, existing);
-                               todo.add(object);
-                       }
+       void discoverBlank(TransferableGraph1 graph, int resource, TIntArrayList todo) throws Exception {
+//             TIntArrayList statements = TransferableGraphUtils.getStatements(graph, resource);
+//             for(int i=0;i<statements.size();i+=2) {
+               for (TreeSet<Integer> objects : sortByPredicateUniqueStatements(graph, resource).values()) {
+                   for (int object : objects) {
+    //                 int object = statements.get(i+1);
+                       Identity objectId = TransferableGraphUtils.getIdentity(graph, object);
+                       if(objectId != null) {
+                               if(objectId.definition instanceof External) continue;
+                       }
+                       Value value = TransferableGraphUtils.findValue(graph, object);
+                       if(value != null) {
+                               infos.put(object, new ResourceInfo(false, printValue(value), object, resource));
+                               continue;
+                       }
+                       ResourceInfo existing = infos.get(object);
+                       if(existing == null) {
+                           
+                    existing = new ResourceInfo(false, "blank" + blankCounter++, object, resource);
+//                    existing = new ResourceInfo(false, "blank" + makeHash(statementHash.toString().getBytes()), object, resource);
+                               
+                               String resourceURI = TransferableGraphUtils.getURI(graph, resource);
+                               String objectURI = TransferableGraphUtils.getURI(graph, object);
+                               
+    //                         System.out.println("created blank" + blankCounter + " with object " + object + " resource " + resource);
+                               infos.put(object, existing);
+                               todo.add(object);
+                       }
+               }
                }
        }
        
+       private String makeHash(byte[] data) {
+        m.reset();
+        m.update(data, 0, data.length);
+        return new BigInteger(1, m.digest()).toString(16);
+       }
+       
        void discoverOwners(TransferableGraph1 graph, ResourceInfo info) {
+           log("Discovering owners for " + info);
                int resource = info.resource;
-               TIntArrayList statements = getStatements(graph, resource);
+               TIntArrayList statements = TransferableGraphUtils.getStatements(graph, resource);
                for(int i=0;i<statements.size();i+=2) {
                        int predicate = statements.get(i);
                        int object = statements.get(i+1);
                        ResourceInfo existing = infos.get(object);
-                       if(existing == null) continue;
-                       if(existing.owner == 0) {
-                               existing.owner = resource;
-                               existing.ownerPredicate = predicate;
-                               //System.err.println("First owner " + info.name + " => " + predicateURI + " " + existing.name);
-                       } else {
-                               existing.owner = -1;
-                               //System.err.println("Multiple owners " + info.name + " => " + predicateURI + " " + existing.name);
+                       if(existing != null) {
+                // Add all owners here for now and resolve the best owner later
+                
+                           // Check if predicate is inverse, this just resolves all predicates to be inverse with ending "Inverse"..
+                           String predicateUri = rewritePredicateURI(graph, predicate);
+                           if (!predicateUri.endsWith("Inverse") && !predicateUri.endsWith("Of")) {
+                               existing.ownedResourcesWithPredicates.put(resource, predicate);
+//                             if (predicateUri.endsWith("Of")) {
+//                                 System.out.println("asd");
+//                             } else {
+                               existing.ownedBy.add(info);
+                               log("    " + existing + " owns " + info + " with " + predicateUri);
+//                             }
+                           } else {
+//                             System.out.println("asd");
+                           }
                        }
                }
-               info.statements = statements;
-       }
-       
-       String printValue(Value value) {
-               Variant variant = value.value;
-               Datatype dt = variant.getBinding().type();
-               return "\"" + variant.getValue() + "\"";
-       }
-       
-       void fixInstanceOf(TransferableGraph1 graph, ResourceInfo info) {
-               Identity id = getIdentity(graph, info.resource);
-               if(id == null) return;
-               if(id.definition instanceof Internal) {
-                       Identity instanceOf = findExternal(graph, "http://www.simantics.org/Layer0-1.1/InstanceOf");
-                       Identity library = findExternal(graph, "http://www.simantics.org/Layer0-1.1/Library");
-                       info.statements.add(instanceOf.resource);
-                       info.statements.add(library.resource);
-               }
        }
+
+    DataValueRepository repo = new DataValueRepository();
+    DataValuePrinter printer = new DataValuePrinter(null, repo);
        
+    String printValue(Value value) throws Exception {
+        StringBuilder sb = new StringBuilder();
+        printer.setFormat(PrintFormat.SINGLE_LINE);
+        printer.setOutput(sb);
+        
+        Variant variant = value.value;
+        printer.print(variant.getBinding(), variant.getValue());
+        String formattedOutput = sb.toString();
+        if (formattedOutput.length() > 100) {
+            // Ok, value too long, lets calculate a hash for it and store first 100 chars as comment
+              byte[] data = Bindings.getSerializerUnchecked(variant.getBinding()).serialize(variant.getValue());
+              m.reset();
+              m.update(data, 0, data.length);
+              String hash = "\"" + new BigInteger(1, m.digest()).toString(16) + "\"";
+              return hash + " // " + formattedOutput.substring(0, 100) + "..";
+        } else {
+            return formattedOutput;
+        }
+//        
+//        Variant variant = value.value;
+//        Datatype dt = variant.getBinding().type();
+//        if (Datatypes.STRING.equals(dt)) {
+//            String s = (String) variant.getValue(Bindings.STRING);
+//            if (s.contains("\n")) {
+//                return "\"\"\"" + s + "\"\"\"";
+//            } else {
+//                return "\"" + s + "\"";
+//            }
+//        } else if (Datatypes.BOOLEAN.equals(dt)) {
+//            Boolean i = (Boolean) variant.getValue(Bindings.BOOLEAN);
+//            return i ? "true" : "false";
+//        } else if (Datatypes.INTEGER.equals(dt)) {
+//            Integer i = (Integer) variant.getValue(Bindings.INTEGER);
+//            return i.toString();
+//        } else if (Datatypes.LONG.equals(dt)) {
+//            Long i = (Long) variant.getValue(Bindings.LONG);
+//            return i.toString();
+//        } else if (Datatypes.DOUBLE.equals(dt)) {
+//            Double d = (Double) variant.getValue();
+//            return d.toString();
+//        } else if (Datatypes.FLOAT.equals(dt)) {
+//            Float f = (Float) variant.getValue();
+//            return f.toString();
+//        } else if (Datatypes.STRING_ARRAY.equals(dt)) {
+//            return Arrays.toString((String []) variant.getValue());
+//        } else if (Datatypes.BOOLEAN_ARRAY.equals(dt)) {
+//            return Arrays.toString((boolean []) variant.getValue());
+//        } else if (Datatypes.INTEGER_ARRAY.equals(dt)) {
+//            return Arrays.toString((int []) variant.getValue());
+//        } else if (Datatypes.LONG_ARRAY.equals(dt)) {
+//            return Arrays.toString((long []) variant.getValue());
+//        } else if (Datatypes.DOUBLE_ARRAY.equals(dt)) {
+//            return Arrays.toString((double []) variant.getValue());
+//        } else if (Datatypes.FLOAT_ARRAY.equals(dt)) {
+//            return Arrays.toString((float []) variant.getValue());
+//        } else if (Datatypes.BYTE_ARRAY.equals(dt)) {
+//            return Arrays.toString((byte []) variant.getValue());
+////        } else if (dt instanceof ArrayType) {
+////            return Arrays.toString((Object []) variant.getValue());
+//        } else {
+//            byte[] data = Bindings.getSerializerUnchecked(variant.getBinding()).serialize(variant.getValue());
+//            m.reset();
+//            m.update(data, 0, data.length);
+//            return "\"" + new BigInteger(1, m.digest()).toString(16) + "\"";
+//        }
+
+    }
+
+       //      void fixInstanceOf(TransferableGraph1 graph, ResourceInfo info) {
+       //              Identity id = getIdentity(graph, info.resource);
+       //              if(id == null) return;
+       //              if(id.definition instanceof Internal) {
+       //                      Identity instanceOf = findExternal(graph, "http://www.simantics.org/Layer0-1.1/InstanceOf");
+       //                      Identity library = findExternal(graph, "http://www.simantics.org/Layer0-1.1/Library");
+       //                      info.statements.add(instanceOf.resource);
+       //                      info.statements.add(library.resource);
+       //              }
+       //      }
+
        public static String getExternalURI(TransferableGraph1 tg, External ext) {
                String name = ext.name;
                if(name.contains(" ")) name = name.replace(" ", "_").replaceAll("@", "_");//name = "\"" + name + "\"";
                int parentId = ext.parent;
                //if(parentId == 0) return ext.name;
-//             else {
-                       Identity id = getIdentity(tg, parentId);
-                       if(id.definition instanceof External) {
-                               return getExternalURI(tg, (External)id.definition) + "/" + name;
-                       } else if(id.definition instanceof Root) {
-                               Root root = (Root)id.definition;
-                               return "http:/" + root.name + "/" + name; 
-                       } else {
-                               return null;
-                       }
-//             }
+               //              else {
+               Identity id = TransferableGraphUtils.getIdentity(tg, parentId);
+               if(id.definition instanceof External) {
+                       return getExternalURI(tg, (External)id.definition) + "/" + name;
+               } else if(id.definition instanceof Root) {
+                       Root root = (Root)id.definition;
+                       return "http:/" + root.name + "/" + name; 
+               } else {
+                       return null;
+               }
+               //              }
        }
 
        public static String getExternalURI(TransferableGraph1 tg, int resource) {
-               Identity id = getIdentity(tg, resource);
+               Identity id = TransferableGraphUtils.getIdentity(tg, resource);
                if(id == null) return null;
                if(id.definition instanceof External) {
                        External ext = (External)id.definition;
@@ -161,156 +320,297 @@ public class PrettyPrintTG extends TransferableGraphUtils {
                }
                return null;
        }
-       
+
        String rewritePredicateURI(TransferableGraph1 graph, int predicate) {
+               
                String uri = getExternalURI(graph, predicate);
-               if(uri == null) return null;
-               uri = uri.replace("http://www.simantics.org/Modeling-1.2", "MOD");
-               uri = uri.replace("http://www.simantics.org/Layer0-1.1", "L0");
-               uri = uri.replace("http://www.simantics.org/Layer0X-1.1", "L0X");
-               uri = uri.replace("http://www.simantics.org/Diagram-2.2", "DIA");
-               uri = uri.replace("http://www.simantics.org/Structural-1.2", "STR");
-               uri = uri.replace("http://www.simantics.org/Documentation-1.2", "DOCU");
-               uri = uri.replace("http://www.simantics.org/Document-1.2", "DOC");
-               uri = uri.replace("http://www.simantics.org/G2D-1.1", "G2D");
-               uri = uri.replace("http://www.simantics.org/Image2-1.2", "IMAGE2");
-               uri = uri.replace("http://www.simantics.org/SelectionView-1.2", "SEL");
-               uri = uri.replace("http://www.simantics.org/Viewpoint-1.2", "VP");
-               uri = uri.replace("http://www.simantics.org/GraphFile-0.1", "GRAPHFILE");
-               uri = uri.replace("http://www.semantum.fi/Simupedia-1.0", "SIMUPEDIA");
-               uri = uri.replace("http://www.semantum.fi/SimupediaWorkbench-1.0", "SIMUPEDIA_WB");
-               uri = uri.replace("http://www.apros.fi/OperationUI-6.6", "APROS_OPER");
-               uri = uri.replace("http://semantum.fi/SimupediaStandardLibrary@1.3-trunk", "SIMUPEDIA_STD");
+               if(uri == null) {
+                       ResourceInfo info = infos.get(predicate);
+                       if(info != null) return info.name;
+                       return "_";
+               }
+               
+               for(String ontology : ontologies.keySet()) {
+                       if(uri.contains(ontology)) {
+                               String key = ontologies.get(ontology);
+                               uri = uri.replace(ontology, key);
+                               referencedOntologies.add(ontology);
+                       }
+               }
+               
                uri = uri.replace("/", ".");
+               
                return uri;
+               
+       }
+
+       static void indent(StringBuilder output, int indent) {
+               for(int i=0;i<indent;i++)
+                   output.append("  ");
        }
        
-       void printBlank(TransferableGraph1 graph, String predicateURI2, ResourceInfo info) {
+       String printBlank(TransferableGraph1 graph, String predicateURI2, ResourceInfo info, int indent) {
+
+               if(info.hasURI)
+                   return null;
                
-               if(info.hasURI) return;
-               output.append("  " + predicateURI2 + " " + info.name + "\n");
+               StringBuilder output = new StringBuilder();
                
-               Value value = findValue(graph, info.resource);
-               if(value != null) {
-                       
+               String infoName = info.name;
+               if (infoName.startsWith("blank")) {
+                   infoName = getBlankRewrite(infoName);
                }
                
-//             for(int i=0;i<info.owned.size();i+=2) {
-//                     String predicateURI = rewritePredicateURI(graph, info.owned.get(i));
-//                     ResourceInfo ownedInfo = infos.get(info.owned.get(i+1));
-//                     if(ownedInfo == null) {
-//                             System.err.println("null owned");
-//                             continue;
-//                     }
-//                     printBlank(graph, predicateURI, ownedInfo);
+               if (ignoreIdentifiers) {
+                   if (predicateURI2.contains("L0.identifier")) {
+                       // Do nothing
+                   } else {
+                       indent(output, indent);
+                       output.append(predicateURI2 + " " + infoName + "\n");
+                   }
+               } else {
+                   indent(output, indent);
+                   output.append(predicateURI2 + " " + infoName + "\n");
+               }
+
+               if (info.ownedResourcesWithPredicates.isEmpty()) {
+                   if (DEBUG)
+                       System.out.print("printBlank");
+                   String uri = printURI(graph, info, false, indent, false);
+                   if (uri != null)
+                       output.append(uri);
+               }
+//             if(info.owner < 0) {
+//                     printURI(graph, info, false, indent);
 //             }
-               
+               return output.toString();
        }
-       
-       long longStm(int predicate, int object) {
-        return (predicate<<32) | (object & 0xffffffffL); 
+
+    private String getBlankRewrite(String infoName) {
+        String rewrite = blankRewrites.get(infoName);
+        if (rewrite == null) {
+            rewrite = "rblank" + newBlankCounter++;
+            if (DEBUG)
+                System.out.println("rewrote " + infoName + " to " + rewrite);
+            blankRewrites.put(infoName, rewrite);
+        }
+        return rewrite;
+//        return infoName;
+    }
+
+    static long longStm(int predicate, int object) {
+               return ((predicate & 0xffffffffL)<<32) | (object & 0xffffffffL); 
        }
 
-       void addStatement(Map<String,List<String>> statements, String predicate, String object) {
-               List<String> objects = statements.get(predicate);
+    private void addInlineStatement(TransferableGraph1 graph, Map<String, Set<String>> statements, String predicate, ResourceInfo objectInfo, int indent) {
+        Set<String> objects = statements.get(predicate);
+        if(objects == null) {
+            objects = new TreeSet<>();
+            statements.put(predicate, objects);
+        }
+        String uri = printURI(graph, objectInfo, false, indent + 1, true);
+        if (uri != null) {
+            // TODO: this is not the right place to remove trailing newline
+            uri = uri.endsWith("\n") ? uri.substring(0, uri.length() - 2) : uri;
+            objects.add(uri);
+        }
+        objectInfo.inlined = true;
+    }
+
+       
+       void addStatement(Map<String,Set<String>> statements, String predicate, String object) {
+           // TODO: fix this
+           if (predicate.endsWith("Inverse"))
+               return;
+               Set<String> objects = statements.get(predicate);
                if(objects == null) {
-                       objects = new ArrayList<String>();
+                       objects = new TreeSet<>();
                        statements.put(predicate, objects);
                }
                objects.add(object);
        }
-       
-       void printURI(TransferableGraph1 graph, ResourceInfo info) {
-               
-               if(!info.hasURI) return;
+
+       String printURI(TransferableGraph1 graph, ResourceInfo info, boolean requireURI, int indent, boolean inline) {
+
+               if(requireURI && !info.hasURI)
+                   return null;
                
-               Map<String,List<String>> statements = new HashMap<>();
-               Identity consistsOf = findExternal(graph, "http://www.simantics.org/Layer0-1.1/ConsistsOf");
+               // Check if this ResourceInfo is already inlined with some other ResourceInfo 
+               if (info.inlined) 
+                   return null;
+
+               Map<String,Set<String>> statements = new TreeMap<>();
+               Identity consistsOf = TransferableGraphUtils.findExternal(graph, "http://www.simantics.org/Layer0-1.1/ConsistsOf");
+//             Identity partOf = TransferableGraphUtils.findExternal(graph, "http://www.simantics.org/Layer0-1.1/PartOf");
                TLongHashSet processed = new TLongHashSet();
+               if (DEBUG)
+                   System.out.println("info.owned.size " + info.owned.size() + info.owned);
                for(int i=0;i<info.owned.size();i+=2) {
-                       String predicateURI = rewritePredicateURI(graph, info.owned.get(i));
-                       ResourceInfo ownedInfo = infos.get(info.owned.get(i+1));
-                       if(ownedInfo == null) {
-                               System.err.println("null owned");
-                               continue;
-                       }
-                       long stmId = longStm(info.owned.get(i), info.owned.get(i+1));
+                   int predicate = info.owned.get(i);
+                   int object = info.owned.get(i+1);
+                       long stmId = longStm(predicate, object);
+                       if (DEBUG)
+                           System.out.println("  " + stmId + " is already processed as it is owned (" + predicate + " " + object + ")");
                        processed.add(stmId);
-                       printBlank(graph, predicateURI, ownedInfo);
                }
-               for(int i=0;i<info.statements.size();i+=2) {
-                       long stmId = longStm(info.statements.get(i), info.statements.get(i+1));
-                       if(processed.contains(stmId)) continue;
-                       if(consistsOf.resource == info.statements.get(i)) continue;
-                       String predicateURI = rewritePredicateURI(graph, info.statements.get(i));
-                       ResourceInfo objectInfo = infos.get(info.statements.get(i+1));
+               
+               TreeMap<String, Integer> predicateURIs = new TreeMap<>();
+               
+               TIntArrayList rawStatements = TransferableGraphUtils.getStatements(graph, info.resource);
+               if (DEBUG)
+                   System.out.println("rawStatements size for " + info.name + " : " + rawStatements.size() + " " + rawStatements);
+               for(int i=0;i<rawStatements.size();i+=2) {
+                   int predicate = rawStatements.get(i);
+                   int object = rawStatements.get(i+1);
+                       long stmId = longStm(predicate, object);
+                       if(!processed.add(stmId)) {
+                           if (DEBUG)
+                               System.out.println("  " + stmId + " is already processed (" + (predicate & 0xffffffffL) + " " + (object & 0xffffffffL) + ")");
+                           continue;
+                       }
+                       if (DEBUG)
+                           System.out.println("   " + stmId + " is currently being processed (" + (predicate & 0xffffffffL) + " " + (object & 0xffffffffL) + ")");
+//                     if (partOf.resource == rawStatements.get(i))
+//                         continue;
+                       if(consistsOf.resource == predicate) {
+//                         if (!info.owned.isEmpty() && !info.name.startsWith("blank")) {
+                           if (DEBUG)
+                               System.out.println("  is consistsof " + predicate + " (" + consistsOf.resource + ")");
+                       continue;
+//                         } else {
+//                             // this will be inlined so lets indent
+//                             indent++;
+//                         }
+                       }
+                       String predicateURI = rewritePredicateURI(graph, predicate);
+                       predicateURIs.put(predicateURI, object);
+               }
+               for (Entry<String, Integer> entry : predicateURIs.entrySet()) {
+                   String predicateURI = entry.getKey();
+                   int object = entry.getValue();
+                   
+                       ResourceInfo objectInfo = infos.get(object);
                        if(objectInfo == null) {
-                               String objectURI = rewritePredicateURI(graph, info.statements.get(i+1));
-                               //output.append("  " + predicateURI + " " + objectURI + "\n");
+                               String objectURI = rewritePredicateURI(graph, object);
+                               if (DEBUG)
+                                   System.out.println("  adding statement " + predicateURI + " " + objectURI);
                                addStatement(statements, predicateURI, objectURI);
+                       } else if (objectInfo.ownedBy.size() == 1 && objectInfo.ownedBy.contains(info)) {
+                           // inline printing with _
+                           if (DEBUG)
+                               System.out.println("  adding inline statement " + predicateURI + " " + objectInfo.name);
+                           addInlineStatement(graph, statements, predicateURI, objectInfo, indent);
                        } else {
-                               //output.append("  " + predicateURI + " " + objectInfo.name + "\n");
-                               addStatement(statements, predicateURI, objectInfo.name);
+                String objectName = objectInfo.name;
+                if (objectName.startsWith("blank")) {
+                    objectName = getBlankRewrite(objectName);
+                }
+                           if (DEBUG)
+                               System.out.println("  adding statement " + predicateURI + " " + objectName);
+                               addStatement(statements, predicateURI, objectName);
                        }
                }
+
+               if (DEBUG)
+                   System.out.println("statements size for " + info.name + " : " + statements.size() + " " + statements.keySet());
                
-               if("ROOT".equals(info.name)) {
-                       output.append("ROOT=<http:/>");
-               } else if (info.aliasURI != null) {
-                       output.append(info.name + " = <" + info.aliasURI + ">");
-               } else {
-                       output.append(info.name);
-               }
+               StringBuilder output = new StringBuilder();
                
-               List<String> instanceOfs = statements.get("L0.InstanceOf");
-               if(instanceOfs != null) {
-                       for(String instanceOf : instanceOfs) {
-                               output.append(" : " + instanceOf);              
+               if(indent == 0 || inline) {
+                       if("ROOT".equals(info.name)) {
+                               output.append("ROOT=<http:/>");
+                       } else if (info.aliasURI != null) {
+                               output.append(info.name + " = <" + info.aliasURI + ">");
+                       } else {
+                           String infoName = info.name;
+                           if (infoName.startsWith("blank")) {
+                               infoName = getBlankRewrite(infoName);
+                           }
+                               output.append(inline ? "_" : infoName);
                        }
-               }
-
-               List<String> subrelationOfs = statements.get("L0.SubrelationOf");
-               if(subrelationOfs != null) {
-                       for(String subrelationOf : subrelationOfs) {
-                               output.append(" <R " + subrelationOf);          
+                       Set<String> instanceOfs = statements.get("L0.InstanceOf");
+                       if(instanceOfs != null) {
+                               for(String instanceOf : instanceOfs) {
+                                       output.append(" : " + instanceOf);              
+                               }
                        }
-               }
-               
-               List<String> inherits = statements.get("L0.Inherits");
-               if(inherits != null) {
-                       for(String inherit : inherits) {
-                               output.append(" <T " + inherit);                
+                       Set<String> subrelationOfs = statements.get("L0.SubrelationOf");
+                       if(subrelationOfs != null) {
+                               for(String subrelationOf : subrelationOfs) {
+                                       output.append(" <R " + subrelationOf);          
+                               }
                        }
+                       Set<String> inherits = statements.get("L0.Inherits");
+                       if(inherits != null) {
+                               for(String inherit : inherits) {
+                                       output.append(" <T " + inherit);                
+                               }
+                       }
+                       output.append("\n");
                }
 
-               output.append("\n");
-               
                if(info.newResource)
                        output.append("  @L0.new\n");
-               
-               for(Map.Entry<String, List<String>> entry : statements.entrySet()) {
+
+               for(Map.Entry<String, Set<String>> entry : statements.entrySet()) {
                        String predicate = entry.getKey();
+                if (ignoreIdentifiers) {
+                       if (predicate.equals("L0.identifier")) {
+                           continue;
+                       }
+                   }
                        if("L0.InstanceOf".equals(predicate)) continue;
                        if("L0.SubrelationOf".equals(predicate)) continue;
                        if("L0.Inherits".equals(predicate)) continue;
-                       List<String> objects = entry.getValue();
+                       if("L0.PartOf".equals(predicate)) continue;
+                       
+                       // predicates can be blank
+                       if (predicate.startsWith("blan")) {
+                           predicate = getBlankRewrite(predicate);
+                       }
+                       
+                       Set<String> objects = entry.getValue();
+                       indent(output, indent+1);
                        if(objects.size() == 1) {
-                               output.append("  " + predicate + " " + objects.iterator().next() + "\n");       
+                               output.append(predicate + " " + objects.iterator().next() + "\n");      
                        } else{
-                               output.append("  " + predicate + "\n"); 
+                               output.append(predicate + "\n");        
                                for(String object : objects) {
-                                       output.append("    " + object + "\n");  
+                                       indent(output, indent+1);
+                                       output.append("  " + object + "\n");    
                                }
                        }
                }
+
+               TreeMap<String, Integer> ownedOrdered = new TreeMap<>();
                
+               for(int i=0;i<info.owned.size();i+=2) {
+                       String predicateURI = rewritePredicateURI(graph, info.owned.get(i));
+                       ownedOrdered.put(predicateURI, info.owned.get(i+1));
+               }
+               
+               if (DEBUG)
+                   System.out.println(info.name + " : " + ownedOrdered.keySet());
+               
+               
+               for (Entry<String, Integer> entry : ownedOrdered.entrySet()) {
+                   String predicateURI = entry.getKey();
+                   int owned = entry.getValue();
+                       ResourceInfo ownedInfo = infos.get(owned);
+
+                       String blank = printBlank(graph, predicateURI, ownedInfo, indent+1);
+                       if (blank != null) {
+                           output.append(blank);
+                       }
+               }               
+               
+               return output.toString();
        }
 
-       void prettyPrint(Path input, Path output) throws Exception {
+    void prettyPrint(Path input, Path output) throws Exception {
 
                System.out.format("Converting exported shared ontology%n\t" + input.toString() + "%nto bundle-compatible ontology%n\t" + output.toString());
                try (InputStream is = new BufferedInputStream(Files.newInputStream(input), 128*1024)) {
-                       
                        DataInput dis = new DataInputStream(is);
                        org.simantics.databoard.container.DataContainer container = 
                                        DataContainers.readFile(dis); 
@@ -318,91 +618,359 @@ public class PrettyPrintTG extends TransferableGraphUtils {
                        TransferableGraph1 graph = (TransferableGraph1)container.content.getValue(binding);
                        prettyPrint(graph);
                        Files.write(output, this.output.toString().getBytes());
-                       
+
                }
 
        }
+       
+       static Map<String,String> knownOntologies = new HashMap<>();
+       
+       static {
+               knownOntologies.put("http://www.simantics.org/Layer0-1.1", "L0");
+               knownOntologies.put("http://www.simantics.org/Layer0X-1.1", "L0X");
+               knownOntologies.put("http://www.simantics.org/Modeling-1.2", "MOD");
+               knownOntologies.put("http://www.simantics.org/Diagram-2.2", "DIA");
+               knownOntologies.put("http://www.simantics.org/Structural-1.2", "STR");
+               knownOntologies.put("http://www.simantics.org/Document-1.2", "DOC");
+               knownOntologies.put("http://www.simantics.org/Documentation-1.2", "DOCU");
+               knownOntologies.put("http://www.simantics.org/G2D-1.1", "G2D");
+               knownOntologies.put("http://www.simantics.org/SelectionView-1.2", "SEL");
+               knownOntologies.put("http://www.simantics.org/Viewpoint-1.2", "VP");
+               knownOntologies.put("http://www.simantics.org/Image2-1.2", "IMAGE2");
+               knownOntologies.put("http://www.simantics.org/GraphFile-0.1", "GRAPHFILE");
+               knownOntologies.put("http://www.simantics.org/Project-1.2", "PROJECT");
+               knownOntologies.put("http://www.semantum.fi/Simupedia-1.0", "SIMUPEDIA");
+               knownOntologies.put("http://www.semantum.fi/SimupediaWorkbench-1.0", "SIMUPEDIA_WORKBENCH");
+       }
 
-       void prettyPrint(TransferableGraph1 graph) {
        
-                       // Discover resources with URI
-//                     for(Identity id : TransferableGraphUtils.getRoots(graph)) {
-//                             String name = "ROOT";
-//                             ResourceInfo info = new ResourceInfo(true, name, id.resource); 
-//                             infos.put(id.resource, info);
-//                             for(Identity child : getChildren(graph, id)) {
-//                                     ResourceInfo childInfo = recurseURI(graph, child, name);
-//                                     childInfo.newResource = true;
-//                             }
-//                     }
-                       for(Identity id : graph.identities) {
-                               if(id.definition instanceof Internal) {
-                                       Internal internal = (Internal)id.definition;
-                                       Identity parent = TransferableGraphUtils.getIdentity(graph, internal.parent);
-                                       if(parent.definition instanceof External) {
-                                               String name = "BASE";
-                                               ResourceInfo info = new ResourceInfo(true, name, id.resource);
-                                               info.aliasURI = TransferableGraphUtils.getURI(graph, id.resource);
-                                               info.newResource = true;
-                                               infos.put(id.resource, info);
-                                               for(Identity child : getChildren(graph, id)) {
-                                                       recurseURI(graph, child, name);
-                                               }
+       void prettyPrint(TransferableGraph1 graph) throws Exception {
+           log("Starting prettyPrint for TransferableGraph with " + graph.resourceCount + " resources, " + graph.identities + " identities, " + graph.statements.length + " statements and " + graph.values.length + " values");
+           
+               for(Identity id : graph.identities) {
+                       if(id.definition instanceof Internal) {
+                               Internal internal = (Internal)id.definition;
+                               Identity parent = TransferableGraphUtils.getIdentity(graph, internal.parent);
+                               if(parent.definition instanceof External) {
+                                   log("Resolving internal identity " + id);
+                                       String name = "BASE";
+                                       ResourceInfo info = new ResourceInfo(true, name, id.resource, -1);
+                                       info.aliasURI = TransferableGraphUtils.getURI(graph, id.resource);
+                                       info.newResource = true;
+                                       orderedInfos.put(name, info);
+//                                     infos.put(id.resource, info);
+                                       log("    which parent is external " + parent + " and has an aliasURI " + info.aliasURI);
+                                       for(Identity child : TransferableGraphUtils.getChildren(graph, id)) {
+                                               recurseURI(graph, child, name, info.resource);
                                        }
+                                       log("    and has " + (infos.size() - 1) + " children");
                                }
-                       }
-                       // Discover other resources
-                       TIntArrayList todo = new TIntArrayList();
-                       for(ResourceInfo info : infos.valueCollection())
-                               todo.add(info.resource);
-                       while(!todo.isEmpty()) {
-                               int resource = todo.removeAt(todo.size()-1);
-                               discoverBlank(graph, resource, todo);
-                       }
-                       for(ResourceInfo info : infos.valueCollection())
-                               discoverOwners(graph, info);
-                       for(ResourceInfo info : infos.valueCollection())
-                               fixInstanceOf(graph, info);
-                       for(ResourceInfo info : infos.valueCollection())
-                               if(info.owner > 0) {
-                                       ResourceInfo ownerInfo = infos.get(info.owner);
-                                       ownerInfo.owned.add(info.ownerPredicate);
-                                       ownerInfo.owned.add(info.resource);
-                               } else if (info.owner == 0) {
-                                       //System.err.println("faf1");
-                               } else if (info.owner == -1) {
-                                       //System.err.println("faf2");
+                       } else if (id.definition instanceof External) {
+                               External ext = (External)id.definition;
+                               // Try to detect shared libraries
+                               if(ext.name.contains("@")) {
+                                   
+                                   log("Detected an external shared library " + ext);
+                                   
+                                       int index = ext.name.indexOf('@');
+                                       String prefix = ext.name.substring(0, index);
+                                       int index2 = ext.name.indexOf('/', index);
+                                       String ontology = index2 == -1 ? ext.name : ext.name.substring(0, index2);  
+                                       String uri = TransferableGraphUtils.getURI(graph, id.resource);
+                                       
+                                       log("    which was resolved as URI=" + uri + " and prefix " + prefix);
+                                       
+                                       ontologies.put(uri, prefix);
+                                       
+                               } else if (ext.name.contains("-")) {
+                                   log("Resolving possible ontology " + ext);
+                                       String uri = TransferableGraphUtils.getURI(graph, id.resource);
+                               Matcher m = versionExtractPattern.matcher(uri);
+                               if (m.matches()) {
+                                       if(!ontologies.containsKey(uri)) {
+                                                       int index = ext.name.indexOf('-');
+                            String prefix = ext.name.substring(0, index);
+                            log("    and it was resolved as URI=" + uri + " and prefix " + prefix);
+                            ontologies.put(uri, prefix);
+                                       }
+                               }
                                }
+                       }
+               }
+               
+               // Discover other resources
+               log("Discovering other resources..");
+               
+               TIntArrayList todo = new TIntArrayList();
+               for(ResourceInfo info : orderedInfos.values()) {
+                       todo.add(info.resource);
                        
-                       TreeMap<String,ResourceInfo> order = new TreeMap<>();
-                       for(ResourceInfo info : infos.valueCollection())
-                               order.put(info.name, info);
-                       
-                       this.output.append("MOD = <http://www.simantics.org/Modeling-1.2>\n");
-                       this.output.append("L0 = <http://www.simantics.org/Layer0-1.1>\n");
-                       this.output.append("L0X = <http://www.simantics.org/Layer0X-1.1>\n");
-                       this.output.append("DIA = <http://www.simantics.org/Diagram-2.2>\n");
-                       this.output.append("STR = <http://www.simantics.org/Structural-1.2>\n");
-                       this.output.append("DOCU = <http://www.simantics.org/Documentation-1.2>\n");
-                       this.output.append("DOC = <http://www.simantics.org/Document-1.2>\n");
-                       this.output.append("G2D = <http://www.simantics.org/G2D-1.1>\n");
-                       this.output.append("SEL = <http://www.simantics.org/SelectionView-1.2>\n");
-                       this.output.append("VP =  <http://www.simantics.org.Viewpoint-1.2>\n");
-                       this.output.append("IMAGE2 = <http://www.simantics.org/Image2-1.2>\n");
-                       this.output.append("GRAPHFILE = <http://www.simantics.org/GraphFile-0.1>\n");
-                       this.output.append("APROS_OPER = <http://www.apros.fi/OperationUI-6.6>\n");
-                       this.output.append("SIMUPEDIA = <http://www.semantum.fi/Simupedia-1.0>\n");
-                       this.output.append("SIMUPEDIA_WB = <http://www.semantum.fi/SimupediaWorkbench-1.0>\n");
-                       this.output.append("SIMUPEDIA_STD = <http://semantum.fi/SimupediaStandardLibrary@1.3-trunk>\n");
-                       
-                       for(ResourceInfo info : order.values())
-                               printURI(graph, info);
-                       
+                    // put orderedInfos to infos
+                       infos.put(info.resource, info);
+               }
+               
+               while(!todo.isEmpty()) {
+                       int resource = todo.removeAt(todo.size()-1);
+                       discoverBlank(graph, resource, todo);
+               }
+               for(ResourceInfo info : infos.valueCollection())
+                       discoverOwners(graph, info);
+               //                      for(ResourceInfo info : infos.valueCollection())
+               //                              fixInstanceOf(graph, info);
+               
+        for (ResourceInfo info : infos.valueCollection()) {
+//          Old implementation
+//            if (info.owner >= 0) {
+//                ResourceInfo ownerInfo = infos.get(info.owner);
+//                System.out.println("originalOwner : " + info.owner + " originalPredicate: " + info.ownerPredicate);
+//                ownerInfo.owned.add(info.ownerPredicate);
+//                ownerInfo.owned.add(info.resource);
+//            }
+            
+            if (!info.ownedResourcesWithPredicates.isEmpty() && info.ownedResourcesWithPredicates.size() == 1) {
+                info.ownedResourcesWithPredicates.forEachEntry(new TIntIntProcedure() {
+                    
+                    @Override
+                    public boolean execute(int owner, int predicate) {
+                        ResourceInfo ownerInfo = infos.get(owner);
+                        ownerInfo.owned.add(predicate);
+                        ownerInfo.owned.add(info.resource);
+                        return false;
+                    }
+                });
+            }
+        }
+
+        // Resolve inverses from ownedBy list
+        for (ResourceInfo info : infos.valueCollection()) {
+            for (int i = 0; i < info.owned.size(); i+=2) {
+                int object = info.owned.get(i+1);
+                ResourceInfo inf = infos.get(object);
+                if (inf != null) {
+                    info.ownedBy.remove(inf);
+                }
+            }
+        }
+        
+        Identity routeGraphConn = TransferableGraphUtils.findExternal(graph, "http://www.simantics.org/Diagram-2.2/RouteGraphConnection");
+        Identity instanceOf = TransferableGraphUtils.findExternal(graph, "http://www.simantics.org/Layer0-1.1/InstanceOf");
+        Identity diagramConnetionToConnection = TransferableGraphUtils.findExternal(graph, "http://www.simantics.org/Modeling-1.2/DiagramConnectionToConnection");
+        
+        for (ResourceInfo infoo : infos.valueCollection()) {
+            Identity elemTo = TransferableGraphUtils.findExternal(graph, "http://www.simantics.org/Modeling-1.2/ElementToComponent");
+            if (elemTo != null) {
+                int elemToComponent = TransferableGraphUtils.getPossibleObject2(graph, infoo.resource, elemTo);
+                if (elemToComponent != TransferableGraphUtils.NOT_FOUND) {
+                    
+                    Identity component = TransferableGraphUtils.getIdentity(graph, elemToComponent);
+                    Identity internal = TransferableGraphUtils.getIdentity(graph, infoo.resource);
+                    if (internal.definition instanceof Internal && component.definition instanceof Internal) {
+                        Internal iCOmponent = (Internal) component.definition;
+                        infoo.name = infoo.name.substring(0, infoo.name.lastIndexOf(".")+1) + iCOmponent.name;
+                    }
+                }
+            }
+            
+            if (instanceOf != null) {
+                int instOf = TransferableGraphUtils.getPossibleObject2(graph, infoo.resource, instanceOf);
+                if (instOf != TransferableGraphUtils.NOT_FOUND && routeGraphConn != null) {
+                    if (instOf == routeGraphConn.resource) {
+                        // Found routegraphconnection, change name
+                        // Lets go to configuration
+                        
+                        int connection = TransferableGraphUtils.getPossibleObject2(graph, infoo.resource, diagramConnetionToConnection);
+                        if (connection != TransferableGraphUtils.NOT_FOUND) {
+                            // Gather all inverse statements to construct unique name
+                            List<String> nameParts = new ArrayList<>();
+                            TIntArrayList statements = TransferableGraphUtils.getStatements(graph, connection);
+                            for (int i = 0; i < statements.size(); i+=2) {
+                                int predicate = statements.get(i);
+                                Identity possibleInverse = TransferableGraphUtils.getIdentity(graph, predicate);
+                                if (possibleInverse != null) {
+                                    int inverseRelation = TransferableGraphUtils.NOT_FOUND;
+                                    int parentId = TransferableGraphUtils.NOT_FOUND;
+                                    if (possibleInverse.definition instanceof Internal) {
+                                        Internal iPossibleInverse = (Internal) possibleInverse.definition;
+                                        if (iPossibleInverse.name.equals("Inverse")) {
+                                            inverseRelation = TransferableGraphUtils.getPossibleObject2(graph, connection, possibleInverse);
+                                            parentId = iPossibleInverse.parent;
+                                        } else {
+                                            LOGGER.error("THIS UNSUPPORTED for " + infoo + " " + iPossibleInverse);
+                                        }
+                                    } else if (possibleInverse.definition instanceof External) {
+                                        External ePossibleInverse = (External) possibleInverse.definition;
+                                        if (ePossibleInverse.name.equals("Inverse")) {
+                                            inverseRelation = TransferableGraphUtils.getPossibleObject2(graph, connection, possibleInverse);
+                                            parentId = ePossibleInverse.parent;
+                                        } else {
+                                            // This is not an inverse
+//                                            LOGGER.error("THIS UNSUPPORTED TOO");
+                                        }
+                                    } else {
+                                        LOGGER.error("UNSUPPORTED for " + infoo + " " );
+                                    }
+                                    if (inverseRelation != TransferableGraphUtils.NOT_FOUND) {
+                                        // Ok found something
+                                        Identity object = TransferableGraphUtils.getIdentity(graph, inverseRelation);
+                                        Identity parent = TransferableGraphUtils.getIdentity(graph, parentId);
+                                        String objectName, parentName;
+                                        if (object.definition instanceof Internal) {
+                                            objectName = ((Internal) object.definition).name;
+                                        } else if (object.definition instanceof External) {
+                                            objectName = ((External) object.definition).name;
+                                        } else {
+                                            LOGGER.error("UNSUPPORTED " + infoo);
+                                            throw new Error("UNSUPPORTED " + infoo);
+                                        }
+                                        if (parent.definition instanceof Internal) {
+                                            parentName = ((Internal) parent.definition).name;
+                                        } else if (parent.definition instanceof External) {
+                                            parentName = ((External) parent.definition).name;
+                                        } else {
+                                            LOGGER.error("UNSUPPORTED " + infoo);
+                                            throw new Error("UNSUPPORTED " + infoo);
+                                        }
+                                        String fullName = parentName + "_" + objectName;
+                                        nameParts.add(fullName);
+                                    } else {
+                                        LOGGER.error("THIS IS ALSO UNSupported");
+                                    }
+                                } else {
+                                    LOGGER.error("HERE");
+                                }
+                            }
+                            nameParts.sort((o1, o2) -> o1.compareTo(o2));
+                            String name = "";
+                            for (String namep : nameParts) {
+                                name += namep;
+                            }
+                            infoo.name = infoo.name.substring(0, infoo.name.lastIndexOf(".") + 1) + name;
+                        } else {
+                            LOGGER.error("Could not find connection for " + infoo + ". Statements of graph below");
+                            LOGGER.error(Arrays.toString(graph.statements));
+                            LOGGER.error("Subject -> Predicate : " + infoo.resource + " -> " + diagramConnetionToConnection.resource);
+                        }
+                    }
+                }
+            }
+        }
+        for (ResourceInfo info : infos.valueCollection()) {
+            if (info.name.startsWith("blank")) {
+                info.name = "blank" + findHash(graph, info);
+            }
+        }
+        
+               TreeMap<String,ResourceInfo> order = new TreeMap<>();
+               for(ResourceInfo info : infos.valueCollection())
+                       order.put(info.name, info);
+
+               for(ResourceInfo info : order.values()) {
+                   if (DEBUG)
+                       System.out.print("info ");
+                       String uri = printURI(graph, info, true, 0, false);
+                       if (uri != null)
+                           output.append(uri);
+               }
+
+               TreeMap<String, ResourceInfo> rblanks = new TreeMap<>();
+               
+               for (ResourceInfo info : order.values()) {
+                   if (!info.hasURI && info.ownedResourcesWithPredicates.size() != 1) {
+                       if (DEBUG)
+                           System.out.print("ownedResources ");
+                       if (info.name.startsWith("blank")) {
+                           // These will be printed later
+                           rblanks.put(getBlankRewrite(info.name), info);
+                       } else {
+                       String uri = printURI(graph, info, false, 0, false);
+                       if (uri != null)
+                           output.append(uri);
+                       }
+                   }
+               }
+               // Now print blanks in order
+        for (ResourceInfo info : rblanks.values()) {
+            if (!info.hasURI && info.ownedResourcesWithPredicates.size() != 1) {
+                if (DEBUG)
+                    System.out.print("ownedResources ");
+                String uri = printURI(graph, info, false, 0, false);
+                if (uri != null)
+                    output.append(uri);
+            }
+        }
+               
+//             for(ResourceInfo info : order.values())
+//                     if(!info.hasURI && info.owner < 0)
+//                             printURI(graph, info, false, 0);
+
+               StringBuilder refs = new StringBuilder();
+               for(String ontology : referencedOntologies) {
+                       String key = ontologies.get(ontology);
+                       refs.append(key + " = <" + ontology + ">\n");   
+               }
+               if (!referencedOntologies.isEmpty())
+                   refs.append("\n");
+               output.insert(0, refs.toString());
+               
        }
        
-       public static String print(TransferableGraph1 tg) {
+       private String calculateHash(TransferableGraph1 graph, ResourceInfo info) {
+        StringBuilder statementHash = new StringBuilder();
+        TreeSet<String> parts = new TreeSet<>();
+        for (int i = 0; i < info.owned.size(); i+=2) {
+            int predicate = info.owned.get(i);
+            int object = info.owned.get(i+1);
+            // Lets resolve a unique name for this based on the statements this
+            // one has
+            
+            String predicatee = rewritePredicateURI(graph, predicate);
+            ResourceInfo objInfo = infos.get(object);
+            parts.add(predicatee + "->" + objInfo.name + ";;;");
+        }
+        // Remove this from the list
+        List<ResourceInfo> filtered = info.ownedBy.stream().filter(ri -> !ri.name.startsWith("blank")).collect(Collectors.toList());
+        for (ResourceInfo ownedBy : filtered) {
+            parts.add(ownedBy.name);
+        }
+        // check parent
+        ResourceInfo parentInfo = infos.get(info.parent);
+        if (parentInfo != null && !parentInfo.name.startsWith("blank")) {
+            parts.add("parent" + parentInfo.name);
+        } else {
+//            LOGGER.error("This should not happen");
+        }
+        for (String s : parts) {
+            statementHash.append(s);
+        }
+        String hash = makeHash(statementHash.toString().getBytes()); 
+        if (DEBUG)
+            System.out.println(statementHash + " -> " + hash);
+        return hash;
+    }
+       
+       private String findHash(TransferableGraph1 graph, ResourceInfo info) {
+           if (info.name.startsWith("blank")) {
+               String hash = hashes.get(info.name);
+               if (hash == null) {
+                   String oldName = info.name;
+                   if (DEBUG)
+                       System.out.print("calculating hash for " + oldName + " ");
+                   hash = calculateHash(graph, info);
+                   if (hashes.put(oldName, hash) != null) {
+                       System.err.println("!!!!A clash occured for " + info + " with hash " + hash);
+                   }
+               }
+               return hash;
+           } else {
+               return info.name;
+           }
+       }
+       
+       private THashMap<String, String> hashes = new THashMap<>();
+
+    public static String print(TransferableGraph1 tg, boolean ignoreIdentifiers) throws Exception {
                StringBuilder b = new StringBuilder();
-               new PrettyPrintTG(b).prettyPrint(tg);
+               new PrettyPrintTG(b, ignoreIdentifiers).prettyPrint(tg);
                return b.toString();
        }
 
@@ -418,4 +986,9 @@ public class PrettyPrintTG extends TransferableGraphUtils {
                }
        }
 
+    private static void log(String string) {
+        if (LOGGER.isDebugEnabled() && DEBUG)
+            LOGGER.debug(string);
+    }
+
 }