X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.db.layer0%2Fsrc%2Forg%2Fsimantics%2Fdb%2Flayer0%2Futil%2FLayer0Utils.java;h=103c9bb0129259bd5dd0c2000410a95fc147bc53;hp=888e5fe4e312af10d98af326966b6e2ad42e7894;hb=c4c152bf639475b85efad1e8bd6ea007c08a9e1f;hpb=0ae2b770234dfc3cbb18bd38f324125cf0faca07

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/Layer0Utils.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/Layer0Utils.java
index 888e5fe4e..103c9bb01 100644
--- a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/Layer0Utils.java
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/Layer0Utils.java
@@ -23,6 +23,7 @@ import java.util.Set;
 import java.util.TreeSet;
 
 import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.core.runtime.SubMonitor;
 import org.simantics.databoard.Bindings;
 import org.simantics.databoard.Datatypes;
@@ -105,6 +106,7 @@ import org.simantics.graph.db.TransferableGraphs;
 import org.simantics.graph.diff.Diff;
 import org.simantics.graph.diff.TransferableGraphDelta1;
 import org.simantics.graph.refactoring.GraphRefactoringUtils;
+import org.simantics.graph.representation.PrettyPrintTG;
 import org.simantics.graph.representation.TransferableGraph1;
 import org.simantics.layer0.Layer0;
 import org.simantics.operation.Layer0X;
@@ -1192,7 +1194,7 @@ public class Layer0Utils {
 
     }
 
-    private static TransferableGraphSource makeTGSource(ReadGraph graph, Resource r) throws DatabaseException {
+    public static TransferableGraphSource makeTGSource(ReadGraph graph, Resource r) throws DatabaseException {
 
     	SimanticsClipboardImpl cp = new SimanticsClipboardImpl();
     	CopyHandler c1 = graph.adapt(r, CopyHandler.class);
@@ -1234,6 +1236,10 @@ public class Layer0Utils {
     	return Layer0.getInstance(graph).String;
     }
 
+    public static void emptyTrashBin() throws ServiceException {
+        emptyTrashBin(new NullProgressMonitor());
+    }
+
     public static void emptyTrashBin(IProgressMonitor monitor) throws ServiceException {
         emptyTrashBin(monitor, SimanticsInternal.getSession(), SimanticsInternal.getProject());
     }
@@ -1281,15 +1287,31 @@ public class Layer0Utils {
                 return;
             mon.subTask("Purging Database");
             mon.newChild(1000);
-            XSupport xs = session.getService(XSupport.class);
-            xs.purge();
+            purgeDatabase(monitor, session);
         } catch (CancelTransactionException e) {
             // Ignore.
         } catch (DatabaseException e) {
             throw new ServiceException(e);
         }
     }
-    
+
+    public static void purgeDatabase() throws ServiceException {
+    	purgeDatabase(new NullProgressMonitor());
+    }
+
+    public static void purgeDatabase(final IProgressMonitor monitor) throws ServiceException {
+    	purgeDatabase(monitor, SimanticsInternal.getSession());
+    }
+
+    public static void purgeDatabase(final IProgressMonitor monitor, Session session) throws ServiceException {
+    	try {
+    		XSupport xs = session.getService(XSupport.class);
+    		xs.purge();
+    	} catch (DatabaseException e) {
+    		throw new ServiceException(e);
+    	}
+    }
+
     public static Resource getSingleDomainOf(ReadGraph graph, Resource type, Resource target) throws DatabaseException {
     	Resource result = null;
     	for(Resource candidate : getDomainOf(graph, type).values()) {
@@ -1328,6 +1350,18 @@ public class Layer0Utils {
     	return null;
     }
     
+    public static Resource getPossiblePredicateByLabel(ReadGraph graph, Resource instance, String predicateName) throws DatabaseException {
+    	Layer0 L0 = Layer0.getInstance(graph);
+    	for(Resource type : graph.getPrincipalTypes(instance)) {
+    		Map<String, Resource> domainOf = getDomainOf(graph, type);
+    		for(Resource r : domainOf.values()) {
+    			String label = graph.getPossibleRelatedValue(r, L0.HasLabel, Bindings.STRING);
+    			if(predicateName.equals(label))
+    				return r;
+    		}
+    	}
+    	return null;
+    }
     
     public static void claimLiteralDataboard(WriteGraph graph, Resource container, Resource property, String valueText) throws DatabaseException {
 
@@ -1345,4 +1379,25 @@ public class Layer0Utils {
     	
     }
 
+    public static String prettyPrintResource(ReadGraph graph, Resource resource) throws Exception {
+        TransferableGraphSource source = makeTGSource(graph, resource);
+        TransferableGraph1 tg = TransferableGraphs.create(graph, source);
+        GraphRefactoringUtils.fixOntologyExport(tg);
+        return PrettyPrintTG.print(tg);
+    }
+
+    public static Resource getPossibleAssertedObject(ReadGraph graph, Resource resource, Resource predicate) throws DatabaseException {
+    	Resource result = null;
+    	for(Resource type : graph.getPrincipalTypes(resource)) {
+    		Collection<Resource> rs = graph.getAssertedObjects(type, predicate);
+    		if(rs.size() > 1) return null;
+    		if(rs.size() == 1) {
+    			Resource ass = rs.iterator().next();
+    			if (result != null && !result.equals(ass)) return null;
+    			result = ass;
+    		}
+    	}
+    	return result;
+    }
+    
 }