-/*******************************************************************************\r
- * Copyright (c) 2007, 2012 Association for Decentralized Information Management\r
- * in 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.browsing.ui.swt.widgets.impl;\r
-\r
-import org.eclipse.jface.viewers.ISelection;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.common.request.UnaryRead;\r
-import org.simantics.db.common.utils.Logger;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.management.ISessionContext;\r
-import org.simantics.db.procedure.Listener;\r
-import org.simantics.utils.ReflectionUtils;\r
-import org.simantics.utils.datastructures.Pair;\r
-import org.simantics.utils.ui.ISelectionUtils;\r
-\r
-/**\r
- * @author Antti Villberg\r
- *\r
- * @param <Input> expected and checked input type\r
- * @param <Output> result type of factory\r
- */\r
-public abstract class ReadFactoryImpl<Input, Output> implements ReadFactory<Input, Output> {\r
-\r
- final Class<?> inputClass;\r
- final boolean sync;\r
-\r
- protected ReadFactoryImpl() {\r
- this(false);\r
- }\r
- \r
- protected ReadFactoryImpl(boolean sync) {\r
- inputClass = ReflectionUtils.getSingleParameterType(getClass());\r
- this.sync = sync;\r
- }\r
-\r
- public Object getIdentity(Object inputContents) {\r
- return new Pair<Object, Class<?>>(inputContents, getClass());\r
- }\r
-\r
- private Object getInputContents(Object input, Class<?> inputClass) {\r
- if (inputClass.isInstance(input))\r
- return input;\r
- if (input instanceof ISelection)\r
- return ISelectionUtils.filterSingleSelection(input, inputClass);\r
- return null;\r
- }\r
-\r
- @Override\r
- public void listen(ISessionContext context, Object input, Listener<Output> listener) {\r
- final Object inputContents = getInputContents(input, inputClass);\r
- if (inputContents != null) {\r
- UnaryRead<Object, Output> read = new UnaryRead<Object, Output>(getIdentity(inputContents)) {\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public Output perform(ReadGraph graph) throws DatabaseException {\r
- return ReadFactoryImpl.this.perform(graph, (Input) inputContents);\r
- }\r
- @Override\r
- public String toString() {\r
- return getIdentity(inputContents).toString();\r
- }\r
- };\r
- if(sync)\r
- try {\r
- Output out = context.getSession().syncRequest(read, listener);\r
- listener.execute(out);\r
- } catch (DatabaseException e) {\r
- Logger.defaultLogError(e);\r
- }\r
- else\r
- context.getSession().asyncRequest(read, listener);\r
- }\r
- }\r
-\r
- abstract public Output perform(ReadGraph graph, Input input) throws DatabaseException;\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2012 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.browsing.ui.swt.widgets.impl;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.common.request.UnaryRead;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.management.ISessionContext;
+import org.simantics.db.procedure.Listener;
+import org.simantics.utils.ReflectionUtils;
+import org.simantics.utils.datastructures.Pair;
+import org.simantics.utils.ui.ISelectionUtils;
+
+/**
+ * @author Antti Villberg
+ *
+ * @param <Input> expected and checked input type
+ * @param <Output> result type of factory
+ */
+public abstract class ReadFactoryImpl<Input, Output> implements ReadFactory<Input, Output> {
+
+ final Class<?> inputClass;
+ final boolean sync;
+
+ protected ReadFactoryImpl() {
+ this(false);
+ }
+
+ protected ReadFactoryImpl(boolean sync) {
+ inputClass = ReflectionUtils.getSingleParameterType(getClass());
+ this.sync = sync;
+ }
+
+ public Object getIdentity(Object inputContents) {
+ return new Pair<Object, Class<?>>(inputContents, getClass());
+ }
+
+ private Object getInputContents(Object input, Class<?> inputClass) {
+ if (inputClass.isInstance(input))
+ return input;
+ if (input instanceof ISelection)
+ return ISelectionUtils.filterSingleSelection(input, inputClass);
+ return null;
+ }
+
+ @Override
+ public void listen(ISessionContext context, Object input, Listener<Output> listener) {
+ final Object inputContents = getInputContents(input, inputClass);
+ if (inputContents != null) {
+ UnaryRead<Object, Output> read = new UnaryRead<Object, Output>(getIdentity(inputContents)) {
+ @SuppressWarnings("unchecked")
+ @Override
+ public Output perform(ReadGraph graph) throws DatabaseException {
+ return ReadFactoryImpl.this.perform(graph, (Input) inputContents);
+ }
+ @Override
+ public String toString() {
+ return getIdentity(inputContents).toString();
+ }
+ };
+ if(sync)
+ try {
+ Output out = context.getSession().syncRequest(read, listener);
+ listener.execute(out);
+ } catch (DatabaseException e) {
+ Logger.defaultLogError(e);
+ }
+ else
+ context.getSession().asyncRequest(read, listener);
+ }
+ }
+
+ abstract public Output perform(ReadGraph graph, Input input) throws DatabaseException;
+
+}
Code Review / simantics / platform.git / blobdiff