X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.objmap2%2Fsrc%2Forg%2Fsimantics%2Fobjmap%2Fforward%2FIForwardMappingRule.java;fp=bundles%2Forg.simantics.objmap2%2Fsrc%2Forg%2Fsimantics%2Fobjmap%2Fforward%2FIForwardMappingRule.java;h=b64acc90b40662a672fe8fcf4ae4fb3f04e7a643;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.objmap2/src/org/simantics/objmap/forward/IForwardMappingRule.java b/bundles/org.simantics.objmap2/src/org/simantics/objmap/forward/IForwardMappingRule.java
new file mode 100644
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+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/forward/IForwardMappingRule.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2013 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.objmap.forward;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.objmap.exceptions.MappingException;
+
+public interface IForwardMappingRule<Domain, Range> {
+	/**
+	 * Modifies the range element so that it corresponds to the domain element.
+	 * @param g read transaction
+	 * @param map unidirectional view of the current mapping
+	 * @param domainElement the domain element that corresponds to the range element
+	 * @param rangeElement the range element that is updated
+	 * @return true if the rule made some modifications
+	 * @throws MappingException
+	 */
+	boolean updateRange(ReadGraph graph, IForwardMapping<Domain, Range> mapping, Domain domainElement, Range rangeElement) throws MappingException;	
+	void createRange(ReadGraph graph, IForwardMapping<Domain, Range> mapping, Domain domainElement, Range rangeElement) throws MappingException;
+}