-/*******************************************************************************\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.db.impl.query;\r
-\r
-import java.util.ArrayList;\r
-\r
-import org.simantics.db.AsyncReadGraph;\r
-import org.simantics.db.impl.DebugPolicy;\r
-import org.simantics.db.impl.graph.ReadGraphImpl;\r
-import org.simantics.db.procedure.AsyncProcedure;\r
-import org.simantics.db.request.AsyncRead;\r
-\r
-final public class AsyncReadEntry<T> extends CacheEntryBase {\r
-\r
- protected AsyncRead<T> request;\r
-\r
- public AsyncReadEntry(AsyncRead<T> request) {\r
- this.request = request;\r
- if(DebugPolicy.QUERY_STATE) System.out.println("[QUERY STATE]: created " + this);\r
- }\r
-\r
- @Override\r
- int makeHash() {\r
- return request.hashCode();\r
- }\r
- \r
- @Override\r
- public Object getOriginalRequest() {\r
- return request;\r
- }\r
- \r
- @Override\r
- public void discard() {\r
- super.discard();\r
- //request = null;\r
- setResult(null);\r
- }\r
- \r
- final public void addOrSet(AsyncReadGraph graph, Object item) {\r
-\r
- assert(isPending());\r
- \r
-// ArrayList<AsyncProcedure<T>> p = null;\r
-\r
- synchronized(this) {\r
- \r
- setResult(item);\r
- setReady();\r
-// p = procs;\r
-// procs = null;\r
- \r
- }\r
-\r
-// if(p != null)\r
-// for(AsyncProcedure<T> proc : p) {\r
-// proc.execute(graph, (T)item);\r
-//// proc.first.execute(graph, (T)item);\r
-//// proc.second.dec();\r
-// }\r
- \r
- }\r
- \r
- \r
- public void except(AsyncReadGraph graph, Throwable t) {\r
- \r
- assert(isPending());\r
- \r
-// ArrayList<AsyncProcedure<T>> p = null;\r
-\r
- synchronized(this) {\r
- \r
- except(t);\r
-//// p = procs;\r
-// procs = null;\r
- \r
- }\r
-\r
-// if(p != null)\r
-// for(AsyncProcedure<T> proc : p) {\r
-// proc.exception(graph, t);\r
-// }\r
- \r
- }\r
- \r
- \r
- @Override\r
- final public Query getQuery() {\r
- \r
- return new Query() {\r
-\r
- @Override\r
- public void recompute(ReadGraphImpl graph, Object provider, CacheEntry entry) {\r
- \r
- QueryProcessor qp = (QueryProcessor)provider;\r
-\r
- final ReadGraphImpl parentGraph = ReadGraphImpl.forRecompute(entry, qp); \r
-\r
- try {\r
-\r
- request.perform(parentGraph , new AsyncProcedure<T>() {\r
-\r
- @Override\r
- public void execute(AsyncReadGraph graph, T result) {\r
- addOrSet(graph, result);\r
- }\r
- \r
- @Override\r
- public void exception(AsyncReadGraph graph, Throwable t) {\r
- except(t);\r
- }\r
-\r
- });\r
-\r
- } catch (Throwable t) {\r
- except(t);\r
- }\r
- \r
- }\r
-\r
- @Override\r
- public void removeEntry(QueryProcessor qp) {\r
- qp.asyncReadMap.remove(request);\r
- }\r
-\r
- @Override\r
- public int type() {\r
- return request.getFlags();\r
- }\r
- \r
- @Override\r
- public String toString() {\r
- if(request == null) return "DISCARDED";\r
- else if(isExcepted()) return request.toString() + " " + getResult();\r
- else return request.toString() + " " + statusOrException;\r
- }\r
- \r
- };\r
- \r
- }\r
-\r
- public void performFromCache(ReadGraphImpl graph, Object provider, Object procedure) {\r
- \r
- AsyncProcedure<T> proc = (AsyncProcedure<T>)procedure;\r
-\r
- if(isExcepted()) {\r
- \r
- try {\r
- proc.exception(graph, (Throwable)getResult());\r
- } catch (Throwable t) {\r
- t.printStackTrace();\r
- }\r
- \r
- } else {\r
- \r
- try {\r
- proc.execute(graph, (T)getResult());\r
- } catch (Throwable t) {\r
- t.printStackTrace();\r
- }\r
- \r
- }\r
- \r
- }\r
-\r
- @Override\r
- public String toString() {\r
- if(isDiscarded()) return "DISCARDED " + request.toString();\r
- else if(isExcepted()) return request.toString() + " " + getResult();\r
- else return request.toString() + " " + statusOrException;\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.db.impl.query;
+
+import java.util.ArrayList;
+
+import org.simantics.db.AsyncReadGraph;
+import org.simantics.db.impl.DebugPolicy;
+import org.simantics.db.impl.graph.ReadGraphImpl;
+import org.simantics.db.procedure.AsyncProcedure;
+import org.simantics.db.request.AsyncRead;
+
+final public class AsyncReadEntry<T> extends CacheEntryBase {
+
+ protected AsyncRead<T> request;
+
+ public AsyncReadEntry(AsyncRead<T> request) {
+ this.request = request;
+ if(DebugPolicy.QUERY_STATE) System.out.println("[QUERY STATE]: created " + this);
+ }
+
+ @Override
+ int makeHash() {
+ return request.hashCode();
+ }
+
+ @Override
+ public Object getOriginalRequest() {
+ return request;
+ }
+
+ @Override
+ public void discard() {
+ super.discard();
+ //request = null;
+ setResult(null);
+ }
+
+ final public void addOrSet(AsyncReadGraph graph, Object item) {
+
+ assert(isPending());
+
+// ArrayList<AsyncProcedure<T>> p = null;
+
+ synchronized(this) {
+
+ setResult(item);
+ setReady();
+// p = procs;
+// procs = null;
+
+ }
+
+// if(p != null)
+// for(AsyncProcedure<T> proc : p) {
+// proc.execute(graph, (T)item);
+//// proc.first.execute(graph, (T)item);
+//// proc.second.dec();
+// }
+
+ }
+
+
+ public void except(AsyncReadGraph graph, Throwable t) {
+
+ assert(isPending());
+
+// ArrayList<AsyncProcedure<T>> p = null;
+
+ synchronized(this) {
+
+ except(t);
+//// p = procs;
+// procs = null;
+
+ }
+
+// if(p != null)
+// for(AsyncProcedure<T> proc : p) {
+// proc.exception(graph, t);
+// }
+
+ }
+
+
+ @Override
+ final public Query getQuery() {
+
+ return new Query() {
+
+ @Override
+ public void recompute(ReadGraphImpl graph, Object provider, CacheEntry entry) {
+
+ QueryProcessor qp = (QueryProcessor)provider;
+
+ final ReadGraphImpl parentGraph = ReadGraphImpl.forRecompute(entry, qp);
+
+ try {
+
+ request.perform(parentGraph , new AsyncProcedure<T>() {
+
+ @Override
+ public void execute(AsyncReadGraph graph, T result) {
+ addOrSet(graph, result);
+ }
+
+ @Override
+ public void exception(AsyncReadGraph graph, Throwable t) {
+ except(t);
+ }
+
+ });
+
+ } catch (Throwable t) {
+ except(t);
+ }
+
+ }
+
+ @Override
+ public void removeEntry(QueryProcessor qp) {
+ qp.asyncReadMap.remove(request);
+ }
+
+ @Override
+ public int type() {
+ return request.getFlags();
+ }
+
+ @Override
+ public String toString() {
+ if(request == null) return "DISCARDED";
+ else if(isExcepted()) return request.toString() + " " + getResult();
+ else return request.toString() + " " + statusOrException;
+ }
+
+ };
+
+ }
+
+ public void performFromCache(ReadGraphImpl graph, Object provider, Object procedure) {
+
+ AsyncProcedure<T> proc = (AsyncProcedure<T>)procedure;
+
+ if(isExcepted()) {
+
+ try {
+ proc.exception(graph, (Throwable)getResult());
+ } catch (Throwable t) {
+ t.printStackTrace();
+ }
+
+ } else {
+
+ try {
+ proc.execute(graph, (T)getResult());
+ } catch (Throwable t) {
+ t.printStackTrace();
+ }
+
+ }
+
+ }
+
+ @Override
+ public String toString() {
+ if(isDiscarded()) return "DISCARDED " + request.toString();
+ else if(isExcepted()) return request.toString() + " " + getResult();
+ else return request.toString() + " " + statusOrException;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff