-/*******************************************************************************\r
- * Copyright (c) 2012, 2013 Association for Decentralized Information Management in\r
- * 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.objmap.graph.rules.range;\r
-\r
-import java.lang.reflect.InvocationTargetException;\r
-import java.lang.reflect.Method;\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-\r
-import org.simantics.objmap.exceptions.MappingException;\r
-import org.simantics.utils.datastructures.Pair;\r
-\r
-\r
-/**\r
- * Accessor for mapped collections. \r
- * Uses three methods:\r
- * - Getter: returns the collection.\r
- * - Adder: adds one item into the collection.\r
- * - Remover: removes one item from the collection. \r
- * \r
- * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
- *\r
- * @param <T>\r
- */\r
-public class ListAccessor<Range,T> implements IRangeAccessor<Range,Collection<T>> {\r
- \r
- private Method getter;\r
- private Method adder;\r
- private Method remover;\r
- \r
- public ListAccessor(Method getter, Method adder, Method remover) {\r
- this.getter = getter;\r
- this.adder = adder;\r
- this.remover = remover;\r
- }\r
- \r
- @SuppressWarnings("unchecked")\r
- public java.util.Collection<T> get(Object element) throws MappingException {\r
- try {\r
- return (Collection<T>) getter.invoke(element);\r
- } catch (IllegalArgumentException e) {\r
- throw new MappingException(e);\r
- } catch (IllegalAccessException e) {\r
- throw new MappingException(e);\r
- } catch (InvocationTargetException e) {\r
- throw new MappingException(e.getCause());\r
- }\r
- };\r
-\r
- @Override\r
- public boolean set(Range element, Collection<T> value)\r
- throws MappingException {\r
- java.util.Collection<T> current = get(element);\r
- Collection<Pair<Integer, T>> adding = new ArrayList<Pair<Integer, T>>();\r
- Collection<T> removing = new ArrayList<T>();\r
- for (T e : current) {\r
- if (!value.contains(e))\r
- removing.add(e);\r
- }\r
- int i = 0;\r
- for (T e : value) {\r
- if (!current.contains(e))\r
- adding.add(new Pair<Integer, T>(i, e));\r
- i++;\r
- }\r
- \r
- try {\r
- for (T e : removing) {\r
- remover.invoke(element, e);\r
- }\r
- \r
- for (Pair<Integer,T> e : adding) {\r
- adder.invoke(element, e.first,e.second);\r
- }\r
- } catch (IllegalArgumentException e) {\r
- throw new MappingException(e);\r
- } catch (IllegalAccessException e) {\r
- throw new MappingException(e);\r
- } catch (InvocationTargetException e) {\r
- throw new MappingException(e.getCause());\r
- }\r
- return removing.size() > 0 || adding.size() > 0;\r
- \r
- }\r
-}\r
+/*******************************************************************************
+ * 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 java.util.ArrayList;
+import java.util.Collection;
+
+import org.simantics.objmap.exceptions.MappingException;
+import org.simantics.utils.datastructures.Pair;
+
+
+/**
+ * Accessor for mapped collections.
+ * Uses three methods:
+ * - Getter: returns the collection.
+ * - Adder: adds one item into the collection.
+ * - Remover: removes one item from the collection.
+ *
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ * @param <T>
+ */
+public class ListAccessor<Range,T> implements IRangeAccessor<Range,Collection<T>> {
+
+ private Method getter;
+ private Method adder;
+ private Method remover;
+
+ public ListAccessor(Method getter, Method adder, Method remover) {
+ this.getter = getter;
+ this.adder = adder;
+ this.remover = remover;
+ }
+
+ @SuppressWarnings("unchecked")
+ public java.util.Collection<T> get(Object element) throws MappingException {
+ try {
+ return (Collection<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.getCause());
+ }
+ };
+
+ @Override
+ public boolean set(Range element, Collection<T> value)
+ throws MappingException {
+ java.util.Collection<T> current = get(element);
+ Collection<Pair<Integer, T>> adding = new ArrayList<Pair<Integer, T>>();
+ Collection<T> removing = new ArrayList<T>();
+ for (T e : current) {
+ if (!value.contains(e))
+ removing.add(e);
+ }
+ int i = 0;
+ for (T e : value) {
+ if (!current.contains(e))
+ adding.add(new Pair<Integer, T>(i, e));
+ i++;
+ }
+
+ try {
+ for (T e : removing) {
+ remover.invoke(element, e);
+ }
+
+ for (Pair<Integer,T> e : adding) {
+ adder.invoke(element, e.first,e.second);
+ }
+ } catch (IllegalArgumentException e) {
+ throw new MappingException(e);
+ } catch (IllegalAccessException e) {
+ throw new MappingException(e);
+ } catch (InvocationTargetException e) {
+ throw new MappingException(e.getCause());
+ }
+ return removing.size() > 0 || adding.size() > 0;
+
+ }
+}
Code Review / simantics / platform.git / blobdiff