-/*******************************************************************************\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 interface IInstruction {\r
- \r
- public static final boolean DEBUG = false;\r
- public static final boolean DEBUG_MODI = false;\r
- public static final boolean DISABLE_MODI = false; // Disables modifications, if DEBUG_MODI is true\r
- // just prints intended modifications\r
- public static final String INDENTATION = " ";\r
- \r
- /**\r
- * Return value for query that finds no bindings.\r
- */\r
- public static final Object FAILURE = new Object();\r
- \r
- /**\r
- * \r
- * @param state\r
- * @return FAILURE, if query failed\r
- * null, if query succeeded but there is only one possible binding\r
- * something else, if query succeeded and there might be more than one binding \r
- */\r
- Object query(ReadGraph g, Object[] bindings) throws DatabaseException;\r
- \r
- /**\r
- * @param state\r
- * @param continuation\r
- * @return FAILURE, if there are no more results\r
- * null, if this was the last result\r
- * non-null, if there were one result and may be more\r
- */\r
- Object next(ReadGraph g, Object[] bindings, Object continuation) throws DatabaseException; \r
- \r
- IContextualModification claim(ReadGraph g, Object[] bindings) throws DatabaseException;\r
- void doClaim(WriteGraph g, Object[] bindings) throws DatabaseException;\r
- IContextualModification deny(ReadGraph g, Object[] bindings) throws DatabaseException;\r
- void doDeny(WriteGraph g, Object[] bindings) throws DatabaseException;\r
- \r
- void collectVariables(TIntHashSet reads, TIntHashSet writes);\r
- void mapVariables(TIntIntHashMap map);\r
- \r
- void toString(StringBuilder b, int indent);\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.constraint.instructions;
+
+import gnu.trove.map.hash.TIntIntHashMap;
+import gnu.trove.set.hash.TIntHashSet;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.mapping.IContextualModification;
+
+public interface IInstruction {
+
+ public static final boolean DEBUG = false;
+ public static final boolean DEBUG_MODI = false;
+ public static final boolean DISABLE_MODI = false; // Disables modifications, if DEBUG_MODI is true
+ // just prints intended modifications
+ public static final String INDENTATION = " ";
+
+ /**
+ * Return value for query that finds no bindings.
+ */
+ public static final Object FAILURE = new Object();
+
+ /**
+ *
+ * @param state
+ * @return FAILURE, if query failed
+ * null, if query succeeded but there is only one possible binding
+ * something else, if query succeeded and there might be more than one binding
+ */
+ Object query(ReadGraph g, Object[] bindings) throws DatabaseException;
+
+ /**
+ * @param state
+ * @param continuation
+ * @return FAILURE, if there are no more results
+ * null, if this was the last result
+ * non-null, if there were one result and may be more
+ */
+ Object next(ReadGraph g, Object[] bindings, Object continuation) throws DatabaseException;
+
+ IContextualModification claim(ReadGraph g, Object[] bindings) throws DatabaseException;
+ void doClaim(WriteGraph g, Object[] bindings) throws DatabaseException;
+ IContextualModification deny(ReadGraph g, Object[] bindings) throws DatabaseException;
+ void doDeny(WriteGraph g, Object[] bindings) throws DatabaseException;
+
+ void collectVariables(TIntHashSet reads, TIntHashSet writes);
+ void mapVariables(TIntIntHashMap map);
+
+ void toString(StringBuilder b, int indent);
+
+}