--- /dev/null
+/*******************************************************************************\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
+\r
+public class AndRuleInstruction implements IRuleInstruction {\r
+ IRuleInstruction[] rules;\r
+\r
+ public AndRuleInstruction(IRuleInstruction ... rules) {\r
+ this.rules = rules;\r
+ }\r
+\r
+ @Override\r
+ public IModification execute(ReadGraph g, Object[] bindings) throws DatabaseException {\r
+ for(int i=0;i<rules.length;++i) {\r
+ if(DEBUG)\r
+ System.out.println("AndRuleInstruction.execute " + i + "/" + rules.length);\r
+ IRuleInstruction rule = rules[i];\r
+ final IModification modi = rule.execute(g, bindings);\r
+ if(modi != null) {\r
+ final int si = i+1;\r
+ if(si==rules.length)\r
+ return modi;\r
+ else {\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);\r
+ for(int j=si;j<rules.length;++j)\r
+ rules[j].doExecute(g, curBindings);\r
+ }\r
+ \r
+ @Override\r
+ public String toString() {\r
+ StringBuilder b = new StringBuilder();\r
+ b.append("AndRuleInstruction");\r
+ for(IRuleInstruction i : rules) i.toString(b, 2);\r
+ return b.toString();\r
+ }\r
+ \r
+ };\r
+ }\r
+ }\r
+ }\r
+ return null;\r
+ }\r
+ \r
+ @Override\r
+ public void doExecute(WriteGraph g, Object[] bindings) throws DatabaseException {\r
+ for(IRuleInstruction rule : rules)\r
+ rule.doExecute(g, bindings);\r
+ }\r
+ \r
+ @Override\r
+ public void collectVariables(TIntHashSet reads, TIntHashSet writes) {\r
+ for(IRuleInstruction r : rules)\r
+ r.collectVariables(reads, writes);\r
+ }\r
+\r
+ @Override\r
+ public void mapVariables(TIntIntHashMap map) {\r
+ for(IRuleInstruction r : rules)\r
+ r.mapVariables(map);\r
+ }\r
+ \r
+ @Override\r
+ public void toString(StringBuilder b, int indent) {\r
+ for(IRuleInstruction rule : rules)\r
+ rule.toString(b, indent);\r
+ }\r
+}\r