-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.mapping.rule.instructions;\r
-\r
-import gnu.trove.map.hash.TIntIntHashMap;\r
-import gnu.trove.set.hash.TIntHashSet;\r
-\r
-import java.util.Arrays;\r
-\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.WriteGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.layer0.utils.triggers.IModification;\r
-import org.simantics.mapping.IContextualModification;\r
-import org.simantics.mapping.constraint.instructions.IInstruction;\r
-\r
-public class ClaimRuleInstruction implements IRuleInstruction {\r
-\r
- IInstruction instruction; \r
- IRuleInstruction continuation;\r
- \r
- public ClaimRuleInstruction(IInstruction instruction,\r
- IRuleInstruction continuation) {\r
- this.instruction = instruction;\r
- this.continuation = continuation;\r
- }\r
-\r
- public ClaimRuleInstruction(IInstruction instruction) {\r
- this(instruction, null);\r
- }\r
- \r
- @Override\r
- public IModification execute(ReadGraph g, Object[] bindings) throws DatabaseException {\r
- final IContextualModification modi = instruction.claim(g, bindings);\r
- if(modi != null) {\r
- final Object[] curBindings = Arrays.copyOf(bindings, bindings.length);\r
- return new IModification() {\r
-\r
- @Override\r
- public void perform(WriteGraph g) throws DatabaseException {\r
- modi.perform(g, curBindings);\r
- if(continuation != null) {\r
- IModification modi2 = continuation.execute(g, curBindings);\r
- if(modi2 != null)\r
- modi2.perform(g);\r
- }\r
- }\r
- \r
- };\r
- }\r
- if(continuation != null)\r
- return continuation.execute(g, bindings);\r
- return null;\r
- }\r
- \r
- @Override\r
- public void doExecute(WriteGraph g, Object[] bindings) throws DatabaseException {\r
- instruction.doClaim(g, bindings);\r
- }\r
- \r
- @Override\r
- public void collectVariables(TIntHashSet reads, TIntHashSet writes) {\r
- instruction.collectVariables(reads, writes);\r
- if(continuation != null)\r
- continuation.collectVariables(reads, writes);\r
- }\r
-\r
- @Override\r
- public void mapVariables(TIntIntHashMap map) {\r
- instruction.mapVariables(map);\r
- if(continuation != null)\r
- continuation.mapVariables(map);\r
- }\r
- @Override\r
- public void toString(StringBuilder b, int indent) {\r
- b.append("claim ");\r
- instruction.toString(b, indent+1);\r
- if(continuation != null) {\r
- b.append('\n');\r
- for(int i=0;i<indent;++i)\r
- b.append(INDENTATION);\r
- b.append("and ");\r
- continuation.toString(b, indent+1);\r
- }\r
- }\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.mapping.rule.instructions;
+
+import gnu.trove.map.hash.TIntIntHashMap;
+import gnu.trove.set.hash.TIntHashSet;
+
+import java.util.Arrays;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.utils.triggers.IModification;
+import org.simantics.mapping.IContextualModification;
+import org.simantics.mapping.constraint.instructions.IInstruction;
+
+public class ClaimRuleInstruction implements IRuleInstruction {
+
+ IInstruction instruction;
+ IRuleInstruction continuation;
+
+ public ClaimRuleInstruction(IInstruction instruction,
+ IRuleInstruction continuation) {
+ this.instruction = instruction;
+ this.continuation = continuation;
+ }
+
+ public ClaimRuleInstruction(IInstruction instruction) {
+ this(instruction, null);
+ }
+
+ @Override
+ public IModification execute(ReadGraph g, Object[] bindings) throws DatabaseException {
+ final IContextualModification modi = instruction.claim(g, bindings);
+ if(modi != null) {
+ final Object[] curBindings = Arrays.copyOf(bindings, bindings.length);
+ return new IModification() {
+
+ @Override
+ public void perform(WriteGraph g) throws DatabaseException {
+ modi.perform(g, curBindings);
+ if(continuation != null) {
+ IModification modi2 = continuation.execute(g, curBindings);
+ if(modi2 != null)
+ modi2.perform(g);
+ }
+ }
+
+ };
+ }
+ if(continuation != null)
+ return continuation.execute(g, bindings);
+ return null;
+ }
+
+ @Override
+ public void doExecute(WriteGraph g, Object[] bindings) throws DatabaseException {
+ instruction.doClaim(g, bindings);
+ }
+
+ @Override
+ public void collectVariables(TIntHashSet reads, TIntHashSet writes) {
+ instruction.collectVariables(reads, writes);
+ if(continuation != null)
+ continuation.collectVariables(reads, writes);
+ }
+
+ @Override
+ public void mapVariables(TIntIntHashMap map) {
+ instruction.mapVariables(map);
+ if(continuation != null)
+ continuation.mapVariables(map);
+ }
+ @Override
+ public void toString(StringBuilder b, int indent) {
+ b.append("claim ");
+ instruction.toString(b, indent+1);
+ if(continuation != null) {
+ b.append('\n');
+ for(int i=0;i<indent;++i)
+ b.append(INDENTATION);
+ b.append("and ");
+ continuation.toString(b, indent+1);
+ }
+ }
+}
Code Review / simantics / platform.git / blobdiff