+++ /dev/null
-/*******************************************************************************\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
-\r
-import org.simantics.objmap.exceptions.MappingException;\r
-\r
-\r
-/**\r
- * Accessor for mapped value. Uses two methods:\r
- * - Getter: returns the current value.\r
- * - Setter: sets the current value. The value may be null. (if setter parameter is primitive, null value is not mapped).\r
- * \r
- * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
- *\r
- * @param <T>\r
- */\r
-public class GetSetValueAccessor<Range,T> implements IRangeAccessor<Range,T> {\r
- \r
- private Method getter;\r
- private Method setter;\r
- private boolean primitive;\r
- \r
- public GetSetValueAccessor(Method getter, Method setter) {\r
- this.getter = getter;\r
- this.setter = setter;\r
- this.primitive = setter.getParameterTypes()[0].isPrimitive();\r
- }\r
- \r
- @SuppressWarnings("unchecked")\r
- public T get(Range element) throws MappingException {\r
- try {\r
- return (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, T value)\r
- throws MappingException {\r
- if (value == null && primitive)\r
- return false;\r
- if (equal(get(element),value))\r
- return false;\r
- try {\r
- setter.invoke(element, value);\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 true;\r
- \r
- }\r
- \r
- private boolean equal(Object v1, Object v2) {\r
- if (v1 == null) {\r
- if (v2 == null)\r
- return true;\r
- return false;\r
- } else if (v2 == null) {\r
- return false;\r
- }\r
- return v1.equals(v2);\r
- }\r
-}\r