-/*******************************************************************************\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
- * Semantum Oy - index based searching (#4255)\r
- *******************************************************************************/\r
-package org.simantics.debug.ui;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.Collections;\r
-import java.util.HashSet;\r
-import java.util.LinkedList;\r
-import java.util.List;\r
-import java.util.Set;\r
-import java.util.regex.Pattern;\r
-\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.Statement;\r
-import org.simantics.db.common.request.Queries;\r
-import org.simantics.db.common.request.ReadRequest;\r
-import org.simantics.db.common.utils.NameUtils;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.request.Read;\r
-import org.simantics.layer0.Layer0;\r
-import org.simantics.utils.strings.EString;\r
-import org.simantics.utils.threads.IThreadWorkQueue;\r
-\r
-public class ResourceSearch extends ReadRequest {\r
-\r
- public static final IResourceFilter FILTER_ALL = new IResourceFilter() {\r
- @Override\r
- public boolean acceptResource(ReadGraph g, Resource r) {\r
- return true;\r
- }\r
- };\r
-\r
- public static final IResourceFilter FILTER_RELATIONS = new IResourceFilter() {\r
- @Override\r
- public boolean acceptResource(ReadGraph g, Resource r) throws DatabaseException {\r
- return g.isInstanceOf(r, Layer0.getInstance(g).Relation);\r
- }\r
- };\r
-\r
- public static final IResourceFilter FILTER_TYPES = new IResourceFilter() {\r
- @Override\r
- public boolean acceptResource(ReadGraph g, Resource r) throws DatabaseException {\r
- Layer0 L0 = Layer0.getInstance(g);\r
- return g.isInstanceOf(r, L0.Type) && !g.isInstanceOf(r, L0.Relation);\r
- }\r
- };\r
-\r
- /**\r
- * Create filter that matches URI, ID and NAME using wildcard compare\r
- * @param txt\r
- * @return\r
- */\r
- public static final IResourceFilter createFilter(String txt) {\r
- final Pattern p = EString.compileSimplePattern(txt);\r
- return new IResourceFilter() {\r
- @Override\r
- public boolean acceptResource(ReadGraph g, Resource r) {\r
- try {\r
- String uri = g.syncRequest(Queries.possibleUri(r));\r
- if (uri != null && p.matcher(uri).matches())\r
- return true;\r
- } catch (Throwable t) {}\r
-\r
- try {\r
- String name = NameUtils.getSafeName(g, r);\r
- if (p.matcher(name).matches())\r
- return true;\r
- } catch (Throwable t) {}\r
-\r
- String id = Long.toString(r.getResourceId());\r
- if (p.matcher(id).matches())\r
- return true;\r
-\r
- return false;\r
- }\r
- };\r
- }\r
-\r
- public interface IResourceFilter {\r
- boolean acceptResource(ReadGraph g, Resource r) throws DatabaseException;\r
- }\r
-\r
- public interface SearchListener {\r
- /**\r
- * \r
- * @param s\r
- * @param r\r
- * @param g graph if listening is not async, if so then null\r
- */\r
- void onResourceFound(Read<?> s, Collection<Resource> r, ReadGraph g) throws DatabaseException;\r
- void onSearchComplete(Read<?> s);\r
- void onError(Read<?> s, Throwable e);\r
- }\r
-\r
- boolean canceled = false;\r
- IResourceFilter filter;\r
- SearchListener listener;\r
- IThreadWorkQueue listenerThread;\r
- ResFoundQueue resFoundQueue;\r
- boolean asyncListening;\r
-\r
- public ResourceSearch(IResourceFilter f, SearchListener l, IThreadWorkQueue listenerThread, boolean asyncListening)\r
- {\r
- assert(f!=null && l!=null);\r
- this.filter = f;\r
- this.listener = l;\r
- this.listenerThread = listenerThread;\r
- this.asyncListening = asyncListening;\r
- if (listenerThread!=null)\r
- resFoundQueue = new ResFoundQueue();\r
- }\r
-\r
- public void cancel() {\r
- canceled = true;\r
- }\r
-\r
- public boolean isCanceled() {\r
- return canceled;\r
- }\r
-\r
- private class ResFoundQueue implements Runnable {\r
- ReadGraph g;\r
- List<Resource> list = new ArrayList<Resource>();\r
- /**\r
- * add res to queue\r
- * @param r\r
- * @return true if other resources are still unhandled\r
- */\r
- synchronized boolean addResource(Resource r) {\r
- list.add(r);\r
- return list.size()>1;\r
- }\r
- @Override\r
- public void run() {\r
- try {\r
- Collection<Resource> l = null;\r
- synchronized(this) {\r
- if (list.size()==0) return;\r
- if (list.size()<10) {\r
- listener.onResourceFound(ResourceSearch.this, list, g);\r
- list.clear();\r
- return;\r
- }\r
- l = new ArrayList<Resource>(list);\r
- list.clear();\r
- }\r
- listener.onResourceFound(ResourceSearch.this, l, g);\r
- } catch (DatabaseException e) {\r
-\r
- }\r
- }\r
- }\r
-\r
- @Override\r
- public void run(ReadGraph g) {\r
- try {\r
- if (!asyncListening && resFoundQueue!=null) resFoundQueue.g = g;\r
- Resource root = g.getResource("http:/");\r
- Layer0 L0 = Layer0.getInstance(g);\r
- LinkedList<Resource> queue = new LinkedList<Resource>();\r
- queue.add(root);\r
- Set<Resource> queued = new HashSet<Resource>();\r
- while(!queue.isEmpty() && !canceled) {\r
- Resource r = queue.removeFirst();\r
- if (filter.acceptResource(g, r)) {\r
- if (listenerThread==null)\r
- listener.onResourceFound(ResourceSearch.this, Collections.singletonList(r), g);\r
- else {\r
- if (!resFoundQueue.addResource(r)) {\r
- if (asyncListening)\r
- listenerThread.asyncExec(resFoundQueue);\r
- else\r
- listenerThread.syncExec(resFoundQueue);\r
- }\r
- }\r
- }\r
- for (Statement stm : g.getStatements(r, L0.IsWeaklyRelatedTo))\r
- {\r
- Resource n = stm.getPredicate();\r
- if (!queued.contains(n)) {\r
- queue.add(n);\r
- queued.add(n);\r
- }\r
-\r
- n = stm.getObject();\r
- if (!queued.contains(n)) {\r
- queue.add(n);\r
- queued.add(n);\r
- }\r
- }\r
- if (listenerThread==null)\r
- listener.onSearchComplete(ResourceSearch.this);\r
- else {\r
- Runnable run = new Runnable() {\r
- @Override\r
- public void run() {\r
- ResourceSearch.this.listener.onSearchComplete(ResourceSearch.this);\r
- }};\r
- if (asyncListening)\r
- listenerThread.asyncExec(run);\r
- else\r
- listenerThread.syncExec(run);\r
- }\r
- }\r
- } catch (final Throwable e) {\r
- if (listenerThread==null)\r
- listener.onError(ResourceSearch.this, e);\r
- else {\r
- Runnable r = new Runnable() {\r
- @Override\r
- public void run() {\r
- listener.onError(ResourceSearch.this, e);\r
- }};\r
- if (asyncListening)\r
- listenerThread.asyncExec(r);\r
- else\r
- listenerThread.syncExec(r);\r
- }\r
- }\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
+ * Semantum Oy - index based searching (#4255)
+ *******************************************************************************/
+package org.simantics.debug.ui;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+import java.util.regex.Pattern;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Statement;
+import org.simantics.db.common.request.Queries;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.request.Read;
+import org.simantics.layer0.Layer0;
+import org.simantics.utils.strings.EString;
+import org.simantics.utils.threads.IThreadWorkQueue;
+
+public class ResourceSearch extends ReadRequest {
+
+ public static final IResourceFilter FILTER_ALL = new IResourceFilter() {
+ @Override
+ public boolean acceptResource(ReadGraph g, Resource r) {
+ return true;
+ }
+ };
+
+ public static final IResourceFilter FILTER_RELATIONS = new IResourceFilter() {
+ @Override
+ public boolean acceptResource(ReadGraph g, Resource r) throws DatabaseException {
+ return g.isInstanceOf(r, Layer0.getInstance(g).Relation);
+ }
+ };
+
+ public static final IResourceFilter FILTER_TYPES = new IResourceFilter() {
+ @Override
+ public boolean acceptResource(ReadGraph g, Resource r) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(g);
+ return g.isInstanceOf(r, L0.Type) && !g.isInstanceOf(r, L0.Relation);
+ }
+ };
+
+ /**
+ * Create filter that matches URI, ID and NAME using wildcard compare
+ * @param txt
+ * @return
+ */
+ public static final IResourceFilter createFilter(String txt) {
+ final Pattern p = EString.compileSimplePattern(txt);
+ return new IResourceFilter() {
+ @Override
+ public boolean acceptResource(ReadGraph g, Resource r) {
+ try {
+ String uri = g.syncRequest(Queries.possibleUri(r));
+ if (uri != null && p.matcher(uri).matches())
+ return true;
+ } catch (Throwable t) {}
+
+ try {
+ String name = NameUtils.getSafeName(g, r);
+ if (p.matcher(name).matches())
+ return true;
+ } catch (Throwable t) {}
+
+ String id = Long.toString(r.getResourceId());
+ if (p.matcher(id).matches())
+ return true;
+
+ return false;
+ }
+ };
+ }
+
+ public interface IResourceFilter {
+ boolean acceptResource(ReadGraph g, Resource r) throws DatabaseException;
+ }
+
+ public interface SearchListener {
+ /**
+ *
+ * @param s
+ * @param r
+ * @param g graph if listening is not async, if so then null
+ */
+ void onResourceFound(Read<?> s, Collection<Resource> r, ReadGraph g) throws DatabaseException;
+ void onSearchComplete(Read<?> s);
+ void onError(Read<?> s, Throwable e);
+ }
+
+ boolean canceled = false;
+ IResourceFilter filter;
+ SearchListener listener;
+ IThreadWorkQueue listenerThread;
+ ResFoundQueue resFoundQueue;
+ boolean asyncListening;
+
+ public ResourceSearch(IResourceFilter f, SearchListener l, IThreadWorkQueue listenerThread, boolean asyncListening)
+ {
+ assert(f!=null && l!=null);
+ this.filter = f;
+ this.listener = l;
+ this.listenerThread = listenerThread;
+ this.asyncListening = asyncListening;
+ if (listenerThread!=null)
+ resFoundQueue = new ResFoundQueue();
+ }
+
+ public void cancel() {
+ canceled = true;
+ }
+
+ public boolean isCanceled() {
+ return canceled;
+ }
+
+ private class ResFoundQueue implements Runnable {
+ ReadGraph g;
+ List<Resource> list = new ArrayList<Resource>();
+ /**
+ * add res to queue
+ * @param r
+ * @return true if other resources are still unhandled
+ */
+ synchronized boolean addResource(Resource r) {
+ list.add(r);
+ return list.size()>1;
+ }
+ @Override
+ public void run() {
+ try {
+ Collection<Resource> l = null;
+ synchronized(this) {
+ if (list.size()==0) return;
+ if (list.size()<10) {
+ listener.onResourceFound(ResourceSearch.this, list, g);
+ list.clear();
+ return;
+ }
+ l = new ArrayList<Resource>(list);
+ list.clear();
+ }
+ listener.onResourceFound(ResourceSearch.this, l, g);
+ } catch (DatabaseException e) {
+
+ }
+ }
+ }
+
+ @Override
+ public void run(ReadGraph g) {
+ try {
+ if (!asyncListening && resFoundQueue!=null) resFoundQueue.g = g;
+ Resource root = g.getResource("http:/"); //$NON-NLS-1$
+ Layer0 L0 = Layer0.getInstance(g);
+ LinkedList<Resource> queue = new LinkedList<Resource>();
+ queue.add(root);
+ Set<Resource> queued = new HashSet<Resource>();
+ while(!queue.isEmpty() && !canceled) {
+ Resource r = queue.removeFirst();
+ if (filter.acceptResource(g, r)) {
+ if (listenerThread==null)
+ listener.onResourceFound(ResourceSearch.this, Collections.singletonList(r), g);
+ else {
+ if (!resFoundQueue.addResource(r)) {
+ if (asyncListening)
+ listenerThread.asyncExec(resFoundQueue);
+ else
+ listenerThread.syncExec(resFoundQueue);
+ }
+ }
+ }
+ for (Statement stm : g.getStatements(r, L0.IsWeaklyRelatedTo))
+ {
+ Resource n = stm.getPredicate();
+ if (!queued.contains(n)) {
+ queue.add(n);
+ queued.add(n);
+ }
+
+ n = stm.getObject();
+ if (!queued.contains(n)) {
+ queue.add(n);
+ queued.add(n);
+ }
+ }
+ if (listenerThread==null)
+ listener.onSearchComplete(ResourceSearch.this);
+ else {
+ Runnable run = new Runnable() {
+ @Override
+ public void run() {
+ ResourceSearch.this.listener.onSearchComplete(ResourceSearch.this);
+ }};
+ if (asyncListening)
+ listenerThread.asyncExec(run);
+ else
+ listenerThread.syncExec(run);
+ }
+ }
+ } catch (final Throwable e) {
+ if (listenerThread==null)
+ listener.onError(ResourceSearch.this, e);
+ else {
+ Runnable r = new Runnable() {
+ @Override
+ public void run() {
+ listener.onError(ResourceSearch.this, e);
+ }};
+ if (asyncListening)
+ listenerThread.asyncExec(r);
+ else
+ listenerThread.syncExec(r);
+ }
+ }
+ }
+
+}
Code Review / simantics / platform.git / blobdiff