X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.objmap2%2Fsrc%2Forg%2Fsimantics%2Fobjmap%2Fgraph%2Frules%2Fdomain%2FRelatedValueAccessor.java;h=9aa96d8e89ed64a1379b77d39ec762b2f83ac706;hb=993f8fda339c833e182a540bd4c10d3a91624966;hp=719011faab322c9dbf83dbb33d767d3d64612952;hpb=969bd23cab98a79ca9101af33334000879fb60c5;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/domain/RelatedValueAccessor.java b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/domain/RelatedValueAccessor.java
index 719011faa..9aa96d8e8 100644
--- a/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/domain/RelatedValueAccessor.java
+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/domain/RelatedValueAccessor.java
@@ -1,114 +1,146 @@
-/*******************************************************************************
- * 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.graph.rules.domain;
-
-import java.util.Arrays;
-
-import org.apache.log4j.Logger;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.Resource;
-import org.simantics.db.Statement;
-import org.simantics.db.WriteGraph;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.layer0.Layer0;
-import org.simantics.objmap.exceptions.MappingException;
-
-/**
- * Accesses a value attached to the element by given functional relation.
- * @author Hannu Niemist�
- */
-public class RelatedValueAccessor implements IDomainAccessor<Resource,Object> {
-
-    static Logger LOGGER = Logger.getLogger("org.simantics.objmap");
-    
-	Resource relation;
-	Resource valueType;
-
-	public RelatedValueAccessor(Resource relation, Resource valueType) {
-		this.relation = relation;
-		this.valueType = valueType;
-	}
-
-	@Override
-	public Object get(ReadGraph g, Resource element) throws MappingException {
-		try {
-		    LOGGER.info("        RelatedValueAccessor.get");
-			Resource valueResource = g.getPossibleObject(element, relation);
-			if(valueResource == null)
-				return null;
-			return g.getValue(valueResource);
-		} catch (DatabaseException e) {
-			throw new MappingException(e);
-		}
-	}
-	
-	@Override
-	public boolean set(WriteGraph g, Resource element, Object value)
-			throws MappingException {
-		try {
-		    LOGGER.info("        RelatedValueAccessor.set");
-		    Statement valueStatement = g.getPossibleStatement(element, relation);
-			if(valueStatement == null) {
-				if(value == null)
-					return false;
-				Resource valueResource = g.newResource();
-				g.claim(valueResource, Layer0.getInstance(g).InstanceOf, null,
-						valueType);
-				g.claim(element, relation, valueResource);
-				g.claimValue(valueResource, value);				
-				return true;
-			}
-			else {
-				if(value == null) {
-					if (!valueStatement.isAsserted(element)) {
-						g.deny(valueStatement.getObject());
-						return true;
-					} else {
-						return false;
-					}
-				}				
-				Object currentValue = g.getValue(valueStatement.getObject());
-				if(equals(currentValue,value))
-					return false;
-				if (!valueStatement.isAsserted(element))
-					g.claimValue(valueStatement.getObject(), value);
-				else {
-					Resource valueResource = g.newResource();
-					g.claim(valueResource, Layer0.getInstance(g).InstanceOf, null,
-							valueType);
-					g.claim(element, relation, valueResource);
-					g.claimValue(valueResource, value);
-				}
-				return true;
-			}
-		} catch (DatabaseException e) {
-			throw new MappingException(e);
-		}
-		
-	}
-	
-	private boolean equals(Object o1, Object o2) {
-		if (o1 instanceof boolean[])
-			Arrays.equals((boolean[])o1,(boolean[])o2);
-		if (o1 instanceof int[])
-			Arrays.equals((int[])o1,(int[])o2);
-		if (o1 instanceof float[])
-			Arrays.equals((float[])o1,(float[])o2);
-		if (o1 instanceof double[])
-			Arrays.equals((double[])o1,(double[])o2);
-		if (o1 instanceof byte[])
-			Arrays.equals((byte[])o1,(byte[])o2);
-		return o1.equals(o2);
-		
-	}
-
-}
+/*******************************************************************************
+ * 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.graph.rules.domain;
+
+import java.util.Arrays;
+
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.OptionalBinding;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.BindingException;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.exception.DoesNotContainValueException;
+import org.simantics.db.exception.ServiceException;
+import org.simantics.layer0.Layer0;
+import org.simantics.objmap.exceptions.MappingException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Accesses a value attached to the element by given functional relation.
+ * @author Hannu Niemist�
+ */
+public class RelatedValueAccessor implements IDomainAccessor<Resource,Object> {
+
+    static Logger LOGGER = LoggerFactory.getLogger(RelatedValueAccessor.class);
+    
+	Resource relation;
+	Resource valueType;
+	Binding valueBinding;
+
+	public RelatedValueAccessor(Resource relation, Resource valueType, Binding valueBinding) {
+		this.relation = relation;
+		this.valueType = valueType;
+		this.valueBinding = valueBinding;
+	}
+
+	@Override
+	public Object get(ReadGraph g, Resource element) throws MappingException {
+		try {
+		    LOGGER.trace("        RelatedValueAccessor.get");
+			Resource valueResource = g.getPossibleObject(element, relation);
+			if(valueResource == null)
+				return null;
+			return getValue(g, valueResource);
+		} catch (DatabaseException e) {
+			throw new MappingException(e);
+		}
+	}
+
+	@Override
+	public boolean set(WriteGraph g, Resource element, Object value)
+			throws MappingException {
+		try {
+		    LOGGER.trace("        RelatedValueAccessor.set");
+		    Statement valueStatement = g.getPossibleStatement(element, relation);
+			if(valueStatement == null) {
+				if(value == null)
+					return false;
+				Resource valueResource = g.newResource();
+				g.claim(valueResource, Layer0.getInstance(g).InstanceOf, null,
+						valueType);
+				g.claim(element, relation, valueResource);
+				claimValue(g, valueResource, value);
+				
+				return true;
+			}
+			else {
+				if(value == null) {
+					if (!valueStatement.isAsserted(element)) {
+						g.deny(valueStatement.getObject());
+						return true;
+					} else {
+						return false;
+					}
+				}				
+				Object currentValue = getValue(g, valueStatement.getObject());
+				if(equals(currentValue,value))
+					return false;
+				if (!valueStatement.isAsserted(element))
+					g.claimValue(valueStatement.getObject(), value);
+				else {
+					Resource valueResource = g.newResource();
+					g.claim(valueResource, Layer0.getInstance(g).InstanceOf, null,
+							valueType);
+					g.claim(element, relation, valueResource);
+					claimValue(g, valueResource, value);
+				}
+				return true;
+			}
+		} catch (DatabaseException e) {
+			throw new MappingException(e);
+		}
+		
+	}
+
+	private Object getValue(ReadGraph g, Resource valueResource)
+			throws DoesNotContainValueException, BindingException, ServiceException {
+		if (valueBinding != null) {
+			return g.getValue(valueResource, getBaseBinding(valueBinding));
+		}
+		else {
+			return g.getValue(valueResource);
+		}
+	}
+	
+	private void claimValue(WriteGraph g, Resource valueResource, Object value) throws ServiceException {
+		if (valueBinding != null)
+			g.claimValue(valueResource, value, getBaseBinding(valueBinding));
+		else
+			g.claimValue(valueResource, value);
+	}
+
+	private static Binding getBaseBinding(Binding binding) {
+		return binding instanceof OptionalBinding ? ((OptionalBinding)binding).getComponentBinding() : binding;
+	}
+	
+	private boolean equals(Object o1, Object o2) {
+		if (valueBinding != null)
+			return valueBinding.equals(o1, o2);
+		
+		if (o1 instanceof boolean[])
+			Arrays.equals((boolean[])o1,(boolean[])o2);
+		if (o1 instanceof int[])
+			Arrays.equals((int[])o1,(int[])o2);
+		if (o1 instanceof float[])
+			Arrays.equals((float[])o1,(float[])o2);
+		if (o1 instanceof double[])
+			Arrays.equals((double[])o1,(double[])o2);
+		if (o1 instanceof byte[])
+			Arrays.equals((byte[])o1,(byte[])o2);
+		return o1.equals(o2);
+	}
+
+}