-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 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.graph.impl.contribution;\r
-\r
-import org.simantics.browsing.ui.BuiltinKeys;\r
-import org.simantics.browsing.ui.BuiltinKeys.CheckedStateKey;\r
-import org.simantics.browsing.ui.CheckedState;\r
-import org.simantics.browsing.ui.DataSource;\r
-import org.simantics.browsing.ui.NodeContext;\r
-import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
-import org.simantics.browsing.ui.graph.impl.request.ResourceQuery;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.procedure.Listener;\r
-import org.simantics.db.procedure.Procedure;\r
-import org.simantics.utils.ui.ErrorLogger;\r
-\r
-public abstract class FinalCheckedStateContributionImpl {\r
-\r
- protected final PrimitiveQueryUpdater updater;\r
- private final ResourceQuery<CheckedState> labelQuery;\r
- private final Procedure<CheckedState> procedure;\r
-\r
- final private NodeContext context;\r
- final private BuiltinKeys.CheckedStateKey key;\r
- \r
- private CheckedState state = null;\r
-\r
- public Object getIdentity(CheckedStateKey key) {\r
- return key;\r
- }\r
-\r
- public CheckedState getState() {\r
- \r
- if (state == null) {\r
-\r
- final DataSource<ReadGraph> source = updater.getDataSource(ReadGraph.class);\r
- assert(source != null);\r
-\r
- source.schedule(graph -> {\r
- if(procedure instanceof Listener<?>)\r
- graph.asyncRequest(labelQuery, (Listener<CheckedState>)procedure);\r
- else\r
- graph.asyncRequest(labelQuery, procedure);\r
- });\r
- \r
- }\r
- \r
- return state;\r
- \r
- }\r
- \r
- public FinalCheckedStateContributionImpl(final PrimitiveQueryUpdater updater, final NodeContext context, final CheckedStateKey key) {\r
-\r
- this.updater = updater;\r
- this.context = context;\r
- this.key = key;\r
-\r
- labelQuery = new ResourceQuery<CheckedState>(getIdentity(key), context) {\r
-\r
- @Override\r
- public CheckedState perform(ReadGraph graph) throws DatabaseException {\r
- try {\r
- return getState(graph, context);\r
- } catch (DatabaseException e) {\r
- throw e;\r
- } catch (Throwable t) {\r
- ErrorLogger.defaultLogError("LazyGraphLabeler.labelQuery produced unexpected exception.", t);\r
- return null;\r
- }\r
- }\r
-\r
- @Override\r
- public String toString() {\r
- return FinalCheckedStateContributionImpl.this + " with context " + context;\r
- }\r
-\r
- };\r
-\r
- procedure = createProcedure();\r
-\r
- }\r
-\r
- protected Procedure<CheckedState> createProcedure() {\r
-\r
- return new Procedure<CheckedState>() {\r
-\r
- @Override\r
- public void execute(CheckedState result) {\r
- replaceResult(result);\r
- }\r
-\r
- @Override\r
- public void exception(Throwable t) {\r
- ErrorLogger.defaultLogError("LazyContributionImpl.childQuery failed, see exception for details.", t);\r
- }\r
-\r
- };\r
-\r
- }\r
-\r
- protected void replaceResult(CheckedState result) {\r
- state = result;\r
- updater.scheduleReplace(context, key, state);\r
- }\r
-\r
- abstract public CheckedState getState(ReadGraph graph, NodeContext context) throws DatabaseException;\r
- \r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 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.graph.impl.contribution;
+
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.BuiltinKeys.CheckedStateKey;
+import org.simantics.browsing.ui.CheckedState;
+import org.simantics.browsing.ui.DataSource;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;
+import org.simantics.browsing.ui.graph.impl.request.ResourceQuery;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.Listener;
+import org.simantics.db.procedure.Procedure;
+import org.simantics.utils.ui.ErrorLogger;
+
+public abstract class FinalCheckedStateContributionImpl {
+
+ protected final PrimitiveQueryUpdater updater;
+ private final ResourceQuery<CheckedState> labelQuery;
+ private final Procedure<CheckedState> procedure;
+
+ final private NodeContext context;
+ final private BuiltinKeys.CheckedStateKey key;
+
+ private CheckedState state = null;
+
+ public Object getIdentity(CheckedStateKey key) {
+ return key;
+ }
+
+ public CheckedState getState() {
+
+ if (state == null) {
+
+ final DataSource<ReadGraph> source = updater.getDataSource(ReadGraph.class);
+ assert(source != null);
+
+ source.schedule(graph -> {
+ if(procedure instanceof Listener<?>)
+ graph.asyncRequest(labelQuery, (Listener<CheckedState>)procedure);
+ else
+ graph.asyncRequest(labelQuery, procedure);
+ });
+
+ }
+
+ return state;
+
+ }
+
+ public FinalCheckedStateContributionImpl(final PrimitiveQueryUpdater updater, final NodeContext context, final CheckedStateKey key) {
+
+ this.updater = updater;
+ this.context = context;
+ this.key = key;
+
+ labelQuery = new ResourceQuery<CheckedState>(getIdentity(key), context) {
+
+ @Override
+ public CheckedState perform(ReadGraph graph) throws DatabaseException {
+ try {
+ return getState(graph, context);
+ } catch (DatabaseException e) {
+ throw e;
+ } catch (Throwable t) {
+ ErrorLogger.defaultLogError("LazyGraphLabeler.labelQuery produced unexpected exception.", t);
+ return null;
+ }
+ }
+
+ @Override
+ public String toString() {
+ return FinalCheckedStateContributionImpl.this + " with context " + context;
+ }
+
+ };
+
+ procedure = createProcedure();
+
+ }
+
+ protected Procedure<CheckedState> createProcedure() {
+
+ return new Procedure<CheckedState>() {
+
+ @Override
+ public void execute(CheckedState result) {
+ replaceResult(result);
+ }
+
+ @Override
+ public void exception(Throwable t) {
+ ErrorLogger.defaultLogError("LazyContributionImpl.childQuery failed, see exception for details.", t);
+ }
+
+ };
+
+ }
+
+ protected void replaceResult(CheckedState result) {
+ state = result;
+ updater.scheduleReplace(context, key, state);
+ }
+
+ abstract public CheckedState getState(ReadGraph graph, NodeContext context) throws DatabaseException;
+
+
+}
Code Review / simantics / platform.git / blobdiff