--- /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.constraint.instructions;\r
+\r
+import gnu.trove.map.hash.TIntIntHashMap;\r
+import gnu.trove.set.hash.TIntHashSet;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.mapping.IContextualModification;\r
+\r
+public class PrintStateInstruction implements IInstruction {\r
+ String position;\r
+\r
+ public PrintStateInstruction(String position) {\r
+ this.position = position;\r
+ }\r
+ \r
+ private void print(ReadGraph g, Object[] bindings) {\r
+ System.out.print(position + ": ");\r
+ boolean first = true;\r
+ for(Object obj : bindings) {\r
+ if(first)\r
+ first = false;\r
+ else\r
+ System.out.print(", ");\r
+ System.out.print(obj);\r
+ }\r
+ System.out.println();\r
+ }\r
+ \r
+ @Override\r
+ public Object query(ReadGraph g, Object[] bindings) {\r
+ print(g, bindings);\r
+ return null;\r
+ }\r
+ \r
+ @Override\r
+ public Object next(ReadGraph g, Object[] bindings, Object continuation) { \r
+ return IInstruction.FAILURE;\r
+ } \r
+\r
+ @Override\r
+ public IContextualModification claim(ReadGraph g, Object[] bindings) {\r
+ print(g, bindings);\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ public IContextualModification deny(ReadGraph g, Object[] bindings) {\r
+ print(g, bindings);\r
+ return null;\r
+ }\r
+\r
+ @Override\r
+ public void doClaim(WriteGraph g, Object[] bindings) {\r
+ print(g, bindings);\r
+ }\r
+\r
+ @Override\r
+ public void doDeny(WriteGraph g, Object[] bindings) {\r
+ print(g, bindings);\r
+ }\r
+\r
+ @Override\r
+ public void collectVariables(TIntHashSet reads, TIntHashSet writes) {\r
+ /* Because this instruction is for debugging, it doesn't affect\r
+ to the set of read variables. */\r
+ }\r
+\r
+ @Override\r
+ public void mapVariables(TIntIntHashMap map) {\r
+ } \r
+ \r
+ @Override\r
+ public void toString(StringBuilder b, int indent) {\r
+ \r
+ }\r
+ \r
+}\r