X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.objmap2%2Fsrc%2Forg%2Fsimantics%2Fobjmap%2Fgraph%2Frules%2Frange%2FGetSetObjectAccessor.java;fp=bundles%2Forg.simantics.objmap2%2Fsrc%2Forg%2Fsimantics%2Fobjmap%2Fgraph%2Frules%2Frange%2FGetSetObjectAccessor.java;h=65808d53ed13d8d10c192aa381e347d837d8541c;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/range/GetSetObjectAccessor.java b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/range/GetSetObjectAccessor.java
new file mode 100644
index 000000000..65808d53e
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+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/range/GetSetObjectAccessor.java
@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2012, 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.range;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import org.simantics.objmap.exceptions.MappingException;
+
+
+/**
+ * Accessor for mapped objects. Uses two methods:
+ * - Getter: returns the current object.
+ * - Setter: sets the current object. The object may be null.
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ * @param <T>
+ */
+public class GetSetObjectAccessor<Range,T>  implements IRangeAccessor<Range,T> {
+	
+	private Method getter;
+	private Method setter;
+	
+	
+	public GetSetObjectAccessor(Method getter, Method setter) {
+		this.getter = getter;
+		this.setter = setter;
+		
+	}
+	
+	@SuppressWarnings("unchecked")
+	public T get(Range element) throws MappingException {
+		try {
+			return (T) getter.invoke(element);
+		} catch (IllegalArgumentException e) {
+			throw new MappingException(e);
+		} catch (IllegalAccessException e) {
+			throw new MappingException(e);
+		} catch (InvocationTargetException e) {
+			throw new MappingException(e);
+		}
+	};
+
+	@Override
+	public boolean set(Range element, T value)
+			throws MappingException {	
+		try {
+			setter.invoke(element, value);
+		} catch (IllegalArgumentException e) {
+			throw new MappingException(e);
+		} catch (IllegalAccessException e) {
+			throw new MappingException(e);
+		} catch (InvocationTargetException e) {
+			throw new MappingException(e);
+		}
+		return true;
+		
+	}
+}