-/*******************************************************************************\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.db.layer0.adapter;\r
-\r
-import java.util.List;\r
-\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.utils.datastructures.Pair;\r
-\r
-public interface GenericRelation {\r
-\r
- /**\r
- * Tests whether a tuple belongs to the relation.\r
- */\r
- boolean contains(ReadGraph graph, Object[] tuple) throws DatabaseException;\r
- \r
- /**\r
- * Tells if realize-method is implemented.\r
- */\r
- boolean isRealizable();\r
- /**\r
- * Returns the contents of the relation as a list.\r
- */\r
- List<Object[]> realize(ReadGraph graph) throws DatabaseException; \r
- \r
- /**\r
- * Selects and projects the relation by given binding pattern and constants.\r
- * The binding pattern is a string of 'b' and 'f' characters. The length\r
- * of constants array has to be the number of 'b' letters in binding pattern.\r
- */\r
- public GenericRelation select(String bindingPattern, Object[] constants);\r
- \r
- /**\r
- * Restricts the relation by given constraint.\r
- */\r
- public GenericRelation selectByRelation(String bindingPattern, GenericRelation constraint);\r
- \r
- /**\r
- * Tells the names and types of the fields of the relation.\r
- */\r
- Pair<String, String>[] getFields();\r
- \r
- //<T> T getInterface(Class<T> clazz);\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.db.layer0.adapter;
+
+import java.util.List;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.utils.datastructures.Pair;
+
+public interface GenericRelation {
+
+ /**
+ * Tests whether a tuple belongs to the relation.
+ */
+ boolean contains(ReadGraph graph, Object[] tuple) throws DatabaseException;
+
+ /**
+ * Tells if realize-method is implemented.
+ */
+ boolean isRealizable();
+ /**
+ * Returns the contents of the relation as a list.
+ */
+ List<Object[]> realize(ReadGraph graph) throws DatabaseException;
+
+ /**
+ * Selects and projects the relation by given binding pattern and constants.
+ * The binding pattern is a string of 'b' and 'f' characters. The length
+ * of constants array has to be the number of 'b' letters in binding pattern.
+ */
+ public GenericRelation select(String bindingPattern, Object[] constants);
+
+ /**
+ * Restricts the relation by given constraint.
+ */
+ public GenericRelation selectByRelation(String bindingPattern, GenericRelation constraint);
+
+ /**
+ * Tells the names and types of the fields of the relation.
+ */
+ Pair<String, String>[] getFields();
+
+ //<T> T getInterface(Class<T> clazz);
+
+}