]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SpreadsheetGraphUtils.java
Migrated source code from Simantics SVN
[simantics/platform.git] / bundles / org.simantics.spreadsheet.graph / src / org / simantics / spreadsheet / graph / SpreadsheetGraphUtils.java
diff --git a/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SpreadsheetGraphUtils.java b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SpreadsheetGraphUtils.java
new file mode 100644 (file)
index 0000000..43f3515
--- /dev/null
@@ -0,0 +1,674 @@
+package org.simantics.spreadsheet.graph;\r
+\r
+import java.io.File;\r
+import java.io.FileNotFoundException;\r
+import java.io.FileOutputStream;\r
+import java.io.IOException;\r
+import java.io.ObjectOutputStream;\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+import java.util.HashMap;\r
+import java.util.Iterator;\r
+import java.util.List;\r
+import java.util.Map;\r
+\r
+import org.simantics.Simantics;\r
+import org.simantics.databoard.Bindings;\r
+import org.simantics.databoard.binding.mutable.Variant;\r
+import org.simantics.databoard.util.binary.RandomAccessBinary;\r
+import org.simantics.datatypes.DatatypeResource;\r
+import org.simantics.datatypes.literal.Font;\r
+import org.simantics.datatypes.literal.RGB;\r
+import org.simantics.datatypes.utils.BTree;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.ObjectsWithType;\r
+import org.simantics.db.common.utils.LiteralFileUtil;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.exception.ServiceException;\r
+import org.simantics.db.layer0.StandardRealm;\r
+import org.simantics.db.layer0.util.Layer0Utils;\r
+import org.simantics.db.layer0.variable.Variable;\r
+import org.simantics.db.layer0.variable.Variables;\r
+import org.simantics.db.service.ClusteringSupport;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.scl.runtime.tuple.Tuple2;\r
+import org.simantics.spreadsheet.Range;\r
+import org.simantics.spreadsheet.graph.synchronization.SpreadsheetSynchronizationEventHandler;\r
+import org.simantics.spreadsheet.resource.SpreadsheetResource;\r
+import org.simantics.spreadsheet.util.SpreadsheetUtils;\r
+import org.simantics.structural.synchronization.Synchronizer;\r
+\r
+import gnu.trove.iterator.TObjectIntIterator;\r
+import gnu.trove.map.hash.TObjectIntHashMap;\r
+\r
+public class SpreadsheetGraphUtils {\r
+\r
+    public static File extractInitialCondition(ReadGraph graph, Resource ic) throws DatabaseException, IOException {\r
+\r
+       SpreadsheetResource SR = SpreadsheetResource.getInstance(graph);\r
+\r
+        File temp = Simantics.getTempfile("excel","ic");\r
+\r
+        LiteralFileUtil.copyRandomAccessBinaryToFile(graph, ic, SR.InitialCondition_bytes, temp);\r
+        if (temp.length() == 0)\r
+            throw new FileNotFoundException("Snapshot file does not exist.\nThis seems to be a database bug that manifests as total loss of state file data.\nThis error prevents the program from crashing.");\r
+\r
+        return temp;\r
+        \r
+    }\r
+       \r
+    public static RandomAccessBinary getOrCreateRandomAccessBinary(WriteGraph graph, Resource initialCondition) throws DatabaseException, IOException {\r
+\r
+       SpreadsheetResource SR = SpreadsheetResource.getInstance(graph);\r
+       \r
+        // We put snapshot literals in their own clusters for now just to be safe\r
+        Resource literal = graph.getPossibleObject(initialCondition, SR.InitialCondition_bytes);\r
+        if (literal != null) {\r
+            RandomAccessBinary rab = graph.getRandomAccessBinary(literal);\r
+            rab.position(0);\r
+            rab.removeBytes(rab.length(), RandomAccessBinary.ByteSide.Right);\r
+            return rab;\r
+        } else {\r
+            Layer0 L0 = Layer0.getInstance(graph);\r
+            ClusteringSupport cs = graph.getService(ClusteringSupport.class);\r
+            literal = graph.newResource(cs.createCluster());\r
+            graph.claim(literal, L0.InstanceOf, null, L0.ByteArray);\r
+            graph.claim(initialCondition, SR.InitialCondition_bytes, SR.InitialCondition_bytes_Inverse, literal);\r
+            return graph.createRandomAccessBinary(literal, Bindings.BYTE_ARRAY.type(), null);\r
+        }\r
+    }\r
+\r
+    public static Resource saveInitialCondition(WriteGraph graph, Variable run, Resource container, String name) throws DatabaseException {\r
+\r
+               String sessionName = run.getParent(graph).getURI(graph);\r
+\r
+               Resource bookResource = run.getRepresents(graph);\r
+               \r
+       StandardRealm<SheetNode, SpreadsheetBook> realm = SpreadsheetSessionManager.getInstance().getOrCreateRealm(graph, sessionName);\r
+       SpreadsheetBook book = realm.getEngine();\r
+\r
+       try {\r
+       \r
+               File temp = Simantics.getTempfile("excel", "ic");\r
+               System.err.println("Saving initial condition to " + temp.getAbsolutePath());\r
+               \r
+                       FileOutputStream fileOut = new FileOutputStream(temp);\r
+                       ObjectOutputStream out = new ObjectOutputStream(fileOut);\r
+                       out.writeObject(book);\r
+                       out.close();\r
+                       fileOut.close();\r
+                       \r
+                       Layer0 L0 = Layer0.getInstance(graph);\r
+               SpreadsheetResource SR = SpreadsheetResource.getInstance(graph);\r
+                       Resource ic = graph.newResource();\r
+                       graph.claim(ic, L0.InstanceOf, SR.InitialCondition);\r
+                       graph.addLiteral(ic, L0.HasName, L0.NameOf, L0.String, name, Bindings.STRING);\r
+               \r
+               RandomAccessBinary rab = getOrCreateRandomAccessBinary(graph, ic);\r
+               LiteralFileUtil.copyRandomAccessBinaryFromFile(temp, rab);\r
+               \r
+                       graph.claim(container, L0.ConsistsOf, L0.PartOf, ic);\r
+                       \r
+                       graph.deny(bookResource, SR.HasInitialCondition);\r
+                       graph.claim(bookResource, SR.HasInitialCondition, ic);\r
+                       graph.claim(ic, SR.InitialCondition_ConditionOf, bookResource);\r
+                       \r
+                       setDefaultInitialConditionForBook(graph, bookResource, ic);\r
+\r
+               return ic;\r
+               \r
+       } catch (IOException e) {\r
+               \r
+               throw new DatabaseException(e);\r
+               \r
+       }\r
+    }\r
+    \r
+    public static void setDefaultInitialConditionForBook(WriteGraph graph, Resource book, Resource ic) throws ServiceException {\r
+        SpreadsheetResource SR = SpreadsheetResource.getInstance(graph);\r
+        graph.deny(book, SR.Book_HasDefaultInitialCondition);\r
+        graph.claim(ic, SR.InitialCondition_DefaultConditionOf, book);\r
+    }\r
+\r
+    public static void evaluateAll(ReadGraph graph, Variable run) throws DatabaseException {\r
+\r
+               String sessionName = run.getParent(graph).getURI(graph);\r
+       StandardRealm<SheetNode, SpreadsheetBook> realm = SpreadsheetSessionManager.getInstance().getOrCreateRealm(graph, sessionName);\r
+       SpreadsheetBook book = realm.getEngine();\r
+       book.accept(new EvaluateAll(book));\r
+       \r
+    }\r
+\r
+    public static void invalidateAll(ReadGraph graph, Variable run) throws DatabaseException {\r
+\r
+               String sessionName = run.getParent(graph).getURI(graph);\r
+       StandardRealm<SheetNode, SpreadsheetBook> realm = SpreadsheetSessionManager.getInstance().getOrCreateRealm(graph, sessionName);\r
+       SpreadsheetBook book = realm.getEngine();\r
+       book.accept(new InvalidateAll());\r
+       realm.getNodeManager().refreshVariables();\r
+       \r
+    }\r
+    \r
+    public static boolean fullSynchronization(ReadGraph graph, Variable run) throws DatabaseException {\r
+        return partialSynchronization(graph, run, null);\r
+    }\r
+\r
+    public static boolean partialSynchronization(ReadGraph graph, Variable run, TObjectIntHashMap<Variable> changeFlags) throws DatabaseException {\r
+\r
+       Synchronizer synchronizer = new Synchronizer(graph);\r
+               String sessionName = run.getParent(graph).getURI(graph);\r
+               \r
+       Resource bookResource = run.getRepresents(graph);\r
+       Variable configuration = Variables.getVariable(graph, bookResource);\r
+       \r
+       StandardRealm<SheetNode, SpreadsheetBook> realm = SpreadsheetSessionManager.getInstance().getOrCreateRealm(graph, sessionName);\r
+       SpreadsheetBook book = realm.getEngine();\r
+                       \r
+        SpreadsheetSynchronizationEventHandler handler = new SpreadsheetSynchronizationEventHandler(graph, book);\r
+        \r
+//        System.err.println("sessionName : " + sessionName);\r
+//        System.err.println("bookResource : " + graph.getURI(bookResource));\r
+//        System.err.println("configuration : " + configuration.getURI(graph));\r
+//        System.err.println("realm : " + realm);\r
+//        System.err.println("book : " + book);\r
+        \r
+        if (changeFlags == null) {\r
+            synchronizer.fullSynchronization(configuration, handler);\r
+        } else {\r
+            \r
+            TObjectIntIterator<Variable> iter = changeFlags.iterator();\r
+            iter.advance();\r
+            Variable row = iter.key();\r
+            \r
+            Variable rowParent = row.getParent(graph);\r
+            while (!rowParent.equals(configuration)) {\r
+                changeFlags.put(rowParent, 1);\r
+                rowParent = rowParent.getParent(graph);\r
+            }\r
+            \r
+            changeFlags.put(configuration, 1);\r
+            \r
+            synchronizer.partialSynchronization(configuration, handler, changeFlags);\r
+        }\r
+        \r
+//        book.accept(new InvalidateAll());\r
+//        realm.getNodeManager().refreshVariables();\r
+//        mapping.currentRevision = synchronizer.getHeadRevisionId();\r
+//        mapping.setTrustUids(true);\r
+        // Clean up queries\r
+//        QueryControl qc = g.getService(QueryControl.class);\r
+//        qc.flush(g);\r
+//        TimeLogger.log("Finished full synchronization");\r
+        realm.getNodeManager().fireNodeListeners();\r
+        return handler.getDidChanges();\r
+        \r
+    }\r
+\r
+    public static Variable findCell(ReadGraph graph, Variable run, String reference) throws DatabaseException {\r
+\r
+       int pos = reference.indexOf("!");\r
+       String sheetName = reference.substring(0, pos);\r
+       String cellName = reference.substring(pos+1);\r
+\r
+               String sessionName = run.getParent(graph).getURI(graph);\r
+       StandardRealm<SheetNode, SpreadsheetBook> realm = SpreadsheetSessionManager.getInstance().getOrCreateRealm(graph, sessionName);\r
+       SpreadsheetBook book = realm.getEngine();\r
+       SpreadsheetEngine engine = book.getEngine(sheetName);\r
+       if(engine == null) return null;\r
+       \r
+       Range r = SpreadsheetUtils.decodeCellAbsolute(cellName);\r
+       SpreadsheetLine line = engine.getLine(r.startRow);\r
+       if(line == null) return null;\r
+       \r
+       String path = line.getPath();\r
+       if(path == null) return null;\r
+       \r
+       Variable lineVariable = run.browse(graph, path);\r
+       if(lineVariable==null) return null;\r
+       \r
+       return lineVariable.getChild(graph, cellName);\r
+       \r
+    }\r
+\r
+    \r
+    public static boolean asBoolean(Object object) {\r
+       if(object instanceof Boolean) return (Boolean)object;\r
+       else if(object instanceof Number) return ((Number)object).doubleValue() != 0;\r
+       else if(object instanceof Variant) return asBoolean(((Variant)object).getValue());\r
+       else if(object instanceof String) {\r
+               Double d = asDoubleWhereEmptyStringIsZero((String)object);\r
+               if(d==null) return false;\r
+               else return d != 0;\r
+       }\r
+       return false;\r
+    }\r
+    \r
+    public static String asString(Object object) {\r
+       if(object == null) return "";\r
+       if(object instanceof String) return (String)object;\r
+       if(object instanceof Number) {\r
+               double dVal = ((Number)object).doubleValue();\r
+               if(dVal == Math.floor(dVal)){\r
+                       return ""+((Number)object).intValue();\r
+               } else {\r
+                       return object.toString();\r
+               }\r
+       }\r
+       else if(object instanceof Variant) {\r
+               Object o = ((Variant) object).getValue();\r
+               if(o instanceof String) return (String)o;\r
+               else if(o instanceof Number) asString((Number)o);\r
+               else return o.toString();\r
+       }\r
+       return object.toString();\r
+    }\r
+    \r
+    public static Double asDoubleWhereEmptyStringIsZero(Object object){\r
+       if(object instanceof Number)\r
+               return ((Number)object).doubleValue();\r
+       else if(object instanceof String) {\r
+               try {\r
+                       if(((String)object).isEmpty())\r
+                               return 0.0;\r
+                       return Double.parseDouble((String)object);\r
+                       } catch (NumberFormatException e) {\r
+                               return null;\r
+                       }\r
+       } else if(object instanceof Variant) {\r
+               Object o = ((Variant) object).getValue();\r
+               return asDoubleWhereEmptyStringIsZero(o);\r
+       } else if (SpreadsheetCell.EMPTY == object) {\r
+               return null;\r
+       }\r
+       return null;\r
+    }\r
+    \r
+    public static double asNumber(Object object) {\r
+       if(object instanceof Number) {\r
+               return ((Number)object).doubleValue();\r
+       } else if(object instanceof String) {\r
+               try {\r
+                       String str = (String)object;\r
+                       if(str.isEmpty()) return 0;\r
+                       return Double.parseDouble((String)object);\r
+                       } catch (NumberFormatException e) {\r
+                       return 0;\r
+                       }\r
+       } else if(object instanceof Variant) {\r
+               Object o = ((Variant) object).getValue();\r
+               return asNumber(o);\r
+       } else if (SpreadsheetCell.EMPTY == object) {\r
+               return 0.0;\r
+       }\r
+               \r
+       return 0.0;\r
+       \r
+    }\r
+    \r
+    public static Number asValidNumber(Object object) {\r
+       if(object instanceof Number) {\r
+               return (Number)object;\r
+       } else if(object instanceof String) {\r
+               try {\r
+                       return Double.parseDouble((String)object);\r
+                       } catch (NumberFormatException e) {\r
+                       return null;\r
+                       }\r
+       } else if(object instanceof Variant) {\r
+               Object o = ((Variant) object).getValue();\r
+               return asNumber(o);\r
+       } else if (SpreadsheetCell.EMPTY == object) {\r
+               return null;\r
+       }\r
+               \r
+       return null;\r
+       \r
+    }\r
+    \r
+    public static boolean matchCriteria(Object value, Object criteria) {\r
+       if(value==null || criteria==null) return false;\r
+       \r
+       if(value instanceof Variant){\r
+               Double dVal = asDoubleWhereEmptyStringIsZero(value);\r
+               if(dVal==null) value = ((Variant)value).getValue();\r
+               else value = dVal;\r
+       }\r
+       if(criteria instanceof Variant){\r
+               Double dVal = asDoubleWhereEmptyStringIsZero(criteria);\r
+               if(dVal==null) criteria = ((Variant)criteria).getValue();\r
+               else criteria = dVal;\r
+       }\r
+       \r
+       if(criteria instanceof Number && value instanceof Number) {\r
+               Number nc = (asNumber(criteria));\r
+               Number nv = (asNumber(value));\r
+               return nc.equals(nv);\r
+       }\r
+       if(criteria instanceof String){\r
+               boolean nums = false;\r
+               Object valueObj = null;\r
+                       if(value instanceof Number){\r
+                               valueObj = ((Number)value).doubleValue();\r
+                               nums = true;\r
+                       }\r
+                       else valueObj = value.toString();\r
+                       \r
+               String sc = criteria.toString();\r
+                       if(sc.length() >= 3){\r
+                               String oper = sc.substring(0, 2);\r
+                               String criteriaStr = sc.substring(2);\r
+                               Double criteriaNum = null;\r
+                               try {\r
+                                       criteriaNum = Double.parseDouble(criteriaStr);\r
+                                       if(oper.equals("<>")){\r
+                                               if(!nums) return true;\r
+                                       }\r
+                                       else if(!nums) return false;\r
+                                       nums = true;\r
+                               } catch (NumberFormatException e){\r
+                                       if(oper.equals("<>")){\r
+                                               if(nums) return true;\r
+                                       }\r
+                                       else if(nums) return false;\r
+                                       nums = false;\r
+                               }\r
+                               \r
+                               if(oper.equals(">=")){\r
+                                       if(!nums) return (valueObj.toString().toLowerCase()).compareTo(criteriaStr.toLowerCase()) >= 0 ;\r
+                                       else return ((Number)valueObj).doubleValue() >= criteriaNum;\r
+                               } else if(oper.equals("<=")){\r
+                                       if(!nums) return (valueObj.toString().toLowerCase()).compareTo(criteriaStr.toLowerCase()) <= 0 ;\r
+                                       else return ((Number)valueObj).doubleValue() <= criteriaNum;\r
+                               } else if(oper.equals("<>")){\r
+                                       if(!nums) return (valueObj.toString().toLowerCase()).compareTo(criteriaStr.toLowerCase()) != 0 ;\r
+                                       else return ((Number)valueObj).doubleValue() != criteriaNum;\r
+                               }\r
+                       }\r
+               if(sc.length() >= 2){\r
+                       String oper = sc.substring(0, 1);\r
+                       String criteriaStr = sc.substring(1);\r
+                       Double criteriaNum = null;\r
+                       \r
+                       try {\r
+                                       criteriaNum = Double.parseDouble(criteriaStr);\r
+                                       if(!nums) return false;\r
+                                       nums = true;\r
+                               } catch (NumberFormatException e){\r
+                                       if(nums) return false;\r
+                                       nums = false;\r
+                               }\r
+                       if(oper.equals("<")){\r
+                               if(!nums) return (valueObj.toString().toLowerCase()).compareTo(criteriaStr.toLowerCase()) < 0;\r
+                               else return ((Number)valueObj).doubleValue() < criteriaNum;\r
+                       } else if(oper.equals(">")){\r
+                               if(!nums) return (valueObj.toString().toLowerCase()).compareTo(criteriaStr.toLowerCase()) > 0;\r
+                               else return ((Number)valueObj).doubleValue() > criteriaNum;\r
+                       } else if(oper.equals("=")){\r
+                               if(!nums) return (valueObj.toString().toLowerCase()).compareTo(criteriaStr.toLowerCase()) == 0;\r
+                               else return ((Number)valueObj).doubleValue() == criteriaNum;\r
+                       }\r
+               }\r
+               return sc.equals(valueObj);\r
+       }\r
+       else if (criteria instanceof Number){\r
+               return false;\r
+       }\r
+       throw new IllegalStateException();\r
+    }\r
+\r
+    public static boolean excelEquals(Object left, Object right) {\r
+       if(left instanceof String) {\r
+               if(right instanceof String) {\r
+                       return ((String) left).toLowerCase().equals(((String) right).toLowerCase());\r
+               }\r
+       }\r
+       return left.equals(right);\r
+    }\r
+    \r
+\r
+    public static List<Variable> possibleConfigurationCellVariables(ReadGraph graph, Variable sheet, Range range) throws DatabaseException {\r
+        List<Variable> rowVariables = possibleConfigurationLineVariables(graph, sheet, range);\r
+        List<Variable> result = new ArrayList<>();\r
+        for (Variable variable : rowVariables) {\r
+            Collection<Variable> children = variable.getChildren(graph);\r
+            for (Variable child : children) {\r
+                if (variableInRange(graph, child, range)) {\r
+                    result.add(child);\r
+                }\r
+            }\r
+        }\r
+        return result;\r
+    }\r
+    \r
+    public static Map<Integer, Resource> possibleConfigurationLineResources(ReadGraph graph, Variable sheet, Range range) throws DatabaseException {\r
+        Variable lines = sheet.getPossibleChild(graph, "Lines");\r
+        if (lines == null)\r
+            throw new DatabaseException("Invalid input variable " + sheet.getURI(graph));\r
+        Resource linesR = lines.getRepresents(graph);\r
+        BTree bt = new BTree(graph, linesR);\r
+        List<Tuple2> tuples = bt.searchRangeBTree(graph, Variant.ofInstance(range.startRow), Variant.ofInstance(range.endRow));\r
+        Map<Integer, Resource> result = new HashMap<>(tuples.size());\r
+        for (Tuple2 tuple : tuples) {\r
+            Integer lineNumber = (Integer)((Variant)tuple.c0).getValue();\r
+            Resource resource = (Resource)tuple.c1;\r
+            result.put(lineNumber, resource);\r
+        }\r
+        return result; \r
+    }\r
+    \r
+    public static List<Variable> possibleConfigurationLineVariables(ReadGraph graph, Variable sheet, Range range) throws DatabaseException {\r
+        Map<Integer, Resource> rows = possibleConfigurationLineResources(graph, sheet, range);\r
+        List<Variable> result = new ArrayList<>(rows.size());\r
+        for (Resource row: rows.values()) {\r
+            Variable lineVar = Variables.getPossibleVariable(graph, row);\r
+            if (lineVar != null)\r
+                result.add(lineVar);\r
+        }\r
+        return result;\r
+    }\r
+    \r
+    public static List<Variable> possibleRunLineVariables(ReadGraph graph, Variable sheetRun, Range range) throws DatabaseException {\r
+       \r
+       Variable run = sheetRun.getParent(graph);\r
+       \r
+       String sheetName = sheetRun.getName(graph);\r
+       String sessionName = run.getParent(graph).getURI(graph);\r
+       \r
+       StandardRealm<SheetNode, SpreadsheetBook> realm = SpreadsheetSessionManager.getInstance().getOrCreateRealm(graph, sessionName);\r
+       SpreadsheetBook book = realm.getEngine();\r
+       \r
+       SpreadsheetEngine engine = book.getEngine(sheetName);\r
+       if(engine == null) return null;\r
+       \r
+       List<Variable> result = new ArrayList<>();\r
+       \r
+       int end = range.endRow < engine.lines.getMaxRow() ? range.endRow : engine.lines.getMaxRow();\r
+       for (int i = range.startRow; i <= end; i++) {\r
+               SpreadsheetLine line = engine.getLine(i);\r
+               if(line == null)\r
+                       continue;\r
+               \r
+               String path = line.getPath();\r
+               path = line.getPath();\r
+               if(path == null)\r
+                       continue;\r
+               \r
+               Variable lineVariable = run.browse(graph, path);\r
+               if(lineVariable==null)\r
+                       continue;\r
+               result.add(lineVariable);\r
+       }\r
+    \r
+        return result;\r
+    }\r
+    \r
+    public static List<Variable> possibleRunCellVariables(ReadGraph graph, Variable sheetRun, Range range) throws DatabaseException {\r
+        List<Variable> runLineVariable = possibleRunLineVariables(graph, sheetRun, range);\r
+        List<Variable> result = new ArrayList<>();\r
+        for (Variable variable : runLineVariable) {\r
+//             System.out.println("line: " + variable.getURI(graph));\r
+            for (Variable child : variable.getChildren(graph)) {\r
+//             System.out.print("cell : " + child.getURI(graph));\r
+                if (variableInRange(graph, child, range)) {\r
+                    result.add(child);\r
+                }\r
+            }\r
+        }\r
+        return result;\r
+    }\r
+    \r
+    private static boolean variableInRange(ReadGraph graph, Variable child, Range range) throws DatabaseException {\r
+        String name = child.getName(graph);\r
+        Range childRange = SpreadsheetUtils.decodeCellAbsolute(name);\r
+//        System.out.print(" and range " + childRange);\r
+        if (childRange != null && range.contains(childRange)) {\r
+//             System.out.println(" => range.contains(childRange) = true");\r
+            return true;\r
+        }\r
+//        System.out.println();\r
+        return false;\r
+    }\r
+    \r
+    public static Map<Integer, Resource> createConfigurationLineResources(WriteGraph graph, Variable sheet, Range range) throws DatabaseException {\r
+        Layer0 L0 = Layer0.getInstance(graph);\r
+        SpreadsheetResource SHEET = SpreadsheetResource.getInstance(graph);\r
+        \r
+        Variable lines = sheet.getPossibleChild(graph, "Lines");\r
+        if (lines == null)\r
+            throw new DatabaseException("Invalid input variable " + sheet.getURI(graph));\r
+        Resource linesR = lines.getRepresents(graph);\r
+        BTree bt = new BTree(graph, linesR);\r
+        \r
+        Map<Integer, Resource> result = new HashMap<>();\r
+        for (int lineNumber = range.startRow; lineNumber <= range.endRow; lineNumber++) {\r
+            Resource line = graph.newResource();\r
+            graph.claim(line, L0.InstanceOf, null, SHEET.Line);\r
+            graph.claimLiteral(line, L0.HasName, L0.NameOf, L0.String, "Row" + lineNumber, Bindings.STRING);\r
+            bt.insertBTree(graph, Variant.ofInstance(lineNumber), line);\r
+            result.put(lineNumber, line);\r
+        }\r
+        return result;\r
+    }\r
+\r
+    public static List<Variable> getOrCreateConfigurationCellVariables(WriteGraph graph, Variable sheet, Range range) throws DatabaseException {\r
+        \r
+        List<Variable> rows = possibleConfigurationLineVariables(graph, sheet, range);\r
+        if (rows.isEmpty()) {\r
+            createConfigurationLineResources(graph, sheet, range);\r
+            rows = possibleConfigurationLineVariables(graph, sheet, range);\r
+        }\r
+        \r
+        List<Variable> cells = possibleConfigurationCellVariables(graph, sheet, range);\r
+        if (cells.isEmpty()) {\r
+            Iterator<Variable> rowIterator = rows.iterator();\r
+            for (int rowNumber = range.startRow; rowNumber <= range.endRow; rowNumber++) {\r
+                Variable row = rowIterator.next();\r
+                for (int colNumber = range.startColumn; colNumber <= range.endColumn; colNumber++) {\r
+                    String location = SpreadsheetUtils.cellName(rowNumber, colNumber);\r
+                    defaultCreateCell(graph, row, location, new Variant(Bindings.STRING, ""));\r
+                }\r
+            }\r
+        }\r
+        \r
+        cells = possibleConfigurationCellVariables(graph, sheet, range);\r
+        if(cells.isEmpty())\r
+            throw new DatabaseException("Unexpected problem while creating spreadsheet cell at '" + range + "'");\r
+        \r
+        return cells;\r
+    }\r
+    \r
+    private static void defaultCreateCell(WriteGraph graph, Variable parent, String location, Variant value) throws DatabaseException {\r
+\r
+        Layer0 L0 = Layer0.getInstance(graph);\r
+        SpreadsheetResource SHEET = SpreadsheetResource.getInstance(graph);\r
+        Resource container = parent.getRepresents(graph);\r
+        \r
+        Resource cell = graph.newResource();\r
+        graph.claim(cell, L0.InstanceOf, null, SHEET.TextCell);\r
+        graph.addLiteral(cell, L0.HasName, L0.NameOf, L0.String, location, Bindings.STRING);\r
+        graph.addLiteral(cell, SHEET.Cell_content, SHEET.Cell_content_Inverse, L0.Variant, value, Bindings.VARIANT);\r
+        graph.claim(cell, L0.PartOf, container);\r
+        \r
+        Resource book = Variables.getContext(graph, parent).getRepresents(graph);\r
+        \r
+        \r
+        Collection<Resource> objects = graph.sync(new ObjectsWithType(book, L0.ConsistsOf, SHEET.Style));\r
+        \r
+        int styleId = SpreadsheetStyle.empty().getStyleId();\r
+        Resource style = null;\r
+        for (Resource possibleStyle : objects) {\r
+            int possibleStyleId = graph.getRelatedValue2(possibleStyle, SHEET.Style_id, Bindings.INTEGER);\r
+            if (possibleStyleId == styleId) {\r
+                style = possibleStyle;\r
+                break;\r
+            }\r
+        }\r
+        \r
+        if (style == null) {\r
+            style = graph.newResource();\r
+            graph.claim(style, L0.InstanceOf, null, SHEET.Style);\r
+            graph.claim(style, L0.PartOf, book);\r
+            \r
+            int id = objects.size();\r
+            graph.claimLiteral(style, L0.HasName, "Style_" + id);\r
+            graph.claimLiteral(style, SHEET.Style_id, styleId, Bindings.INTEGER);\r
+        }\r
+        graph.claim(cell, SHEET.Cell_HasStyle, style);\r
+        Layer0Utils.addCommentMetadata(graph, "Created cell on location " + location + " with value " + value.toString());\r
+    }\r
+\r
+    public static Resource createStyle(WriteGraph graph, Resource book, SpreadsheetStyle sstyle) throws DatabaseException {\r
+        Layer0 L0 = Layer0.getInstance(graph);\r
+        SpreadsheetResource SR = SpreadsheetResource.getInstance(graph);\r
+        Resource style = graph.newResource();\r
+        graph.claim(style, L0.InstanceOf, null, SR.Style);\r
+        graph.claim(style, L0.PartOf, book);\r
+        \r
+        int styleId = sstyle.getStyleId();\r
+        String styleName = sstyle.name;\r
+        \r
+        graph.claimLiteral(style, L0.HasName, styleName);\r
+        //System.err.println("CREATING STYLE " + styleName + " WITH ID: " + styleId);\r
+        graph.claimLiteral(style, SR.Style_id, styleId, Bindings.INTEGER);\r
+        \r
+        DatatypeResource DATATYPES = DatatypeResource.getInstance(graph);\r
+        if (sstyle.foreground != null)\r
+            graph.claimLiteral(style, SR.Cell_foreground, DATATYPES.RGB_Integer, sstyle.foreground, RGB.Integer.BINDING);\r
+        if (sstyle.background != null)\r
+            graph.claimLiteral(style, SR.Cell_background, DATATYPES.RGB_Integer, sstyle.background, RGB.Integer.BINDING);\r
+        if (sstyle.align != -1)\r
+            graph.claimLiteral(style, SR.Cell_align, sstyle.align, Bindings.INTEGER);\r
+        if (sstyle.font != null)\r
+            graph.claimLiteral(style, SR.Cell_font, DATATYPES.Font, sstyle.font, Font.BINDING);\r
+        if (sstyle.border != -1)\r
+            graph.claimLiteral(style, SR.Cell_border, sstyle.border);\r
+        if (sstyle.formatString != null && !sstyle.formatString.isEmpty())\r
+            graph.claimLiteral(style, SR.Cell_formatString, sstyle.formatString, Bindings.STRING);\r
+        if (sstyle.formatIndex != -1)\r
+            graph.claimLiteral(style, SR.Cell_formatIndex, sstyle.formatIndex, Bindings.INTEGER);\r
+        \r
+        return style;\r
+    }\r
+    \r
+    public static Resource createBook(WriteGraph graph, Resource parent, String name) throws DatabaseException {\r
+        Layer0 L0 = Layer0.getInstance(graph);\r
+        SpreadsheetResource SR = SpreadsheetResource.getInstance(graph);\r
+        Resource book = graph.newResource();\r
+        graph.claim(book, L0.InstanceOf, SR.Book);\r
+        graph.claimLiteral(book, L0.HasName, L0.NameOf, L0.String, name, Bindings.STRING);\r
+        graph.claim(parent, L0.ConsistsOf, book);\r
+        \r
+        return book;\r
+    }\r
+    \r
+    public static Variable constructAndInitializeRunVariable(WriteGraph graph, Resource root) throws DatabaseException {\r
+        Variable run = SpreadsheetUtils.getBookVariable(graph, root);\r
+        SpreadsheetGraphUtils.fullSynchronization(graph, run);\r
+        SpreadsheetGraphUtils.evaluateAll(graph, run);\r
+        SpreadsheetGraphUtils.saveInitialCondition(graph, run, root, "Initial");\r
+        return run;\r
+    }\r
+\r
+}\r