Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.mapping / src / org / simantics / mapping / constraint / instructions / NotInstruction.java

diff --git a/bundles/org.simantics.mapping/src/org/simantics/mapping/constraint/instructions/NotInstruction.java b/bundles/org.simantics.mapping/src/org/simantics/mapping/constraint/instructions/NotInstruction.java
new file mode 100644 (file)
index 0000000..becaa0e
--- /dev/null
+++ b/bundles/org.simantics.mapping/src/org/simantics/mapping/constraint/instructions/NotInstruction.java
@@ -0,0 +1,78 @@
+/*******************************************************************************\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.db.exception.DatabaseException;\r
+import org.simantics.mapping.IContextualModification;\r
+\r
+public class NotInstruction implements IInstruction {\r
+       IInstruction instruction;\r
+\r
+       public NotInstruction(IInstruction instruction) {\r
+               this.instruction = instruction;\r
+       }\r
+\r
+       @Override\r
+       public IContextualModification claim(ReadGraph g, Object[] bindings) throws DatabaseException {\r
+               return instruction.deny(g, bindings);\r
+       }\r
+\r
+       @Override\r
+       public void collectVariables(TIntHashSet reads, TIntHashSet writes) {\r
+               instruction.collectVariables(reads, writes);            \r
+       }\r
+\r
+       @Override\r
+       public IContextualModification deny(ReadGraph g, Object[] bindings) throws DatabaseException {\r
+               return instruction.claim(g, bindings);\r
+       }\r
+\r
+       @Override\r
+       public void doClaim(WriteGraph g, Object[] bindings) throws DatabaseException {\r
+               instruction.doDeny(g, bindings);                \r
+       }\r
+\r
+       @Override\r
+       public void doDeny(WriteGraph g, Object[] bindings) throws DatabaseException {\r
+               instruction.doClaim(g, bindings);               \r
+       }\r
+\r
+       @Override\r
+       public void mapVariables(TIntIntHashMap map) {\r
+               instruction.mapVariables(map);          \r
+       }\r
+\r
+       @Override\r
+       public Object next(ReadGraph g, Object[] bindings, Object continuation) {\r
+               return IInstruction.FAILURE;\r
+       }\r
+\r
+       @Override\r
+       public Object query(ReadGraph g, Object[] bindings) throws DatabaseException {\r
+               if(instruction.query(g, bindings)==IInstruction.FAILURE)\r
+                       return null;\r
+               else\r
+                       return IInstruction.FAILURE;\r
+       }\r
+\r
+       @Override\r
+       public void toString(StringBuilder b, int indent) {\r
+               b.append("not ");\r
+               instruction.toString(b, indent);                \r
+       }       \r
+       \r
+}\r