]> gerrit.simantics Code Review - simantics/platform.git/blobdiff - bundles/org.simantics.db.common/src/org/simantics/db/common/request/ResourceAsyncRead2.java
Multiple reader thread support for db client
[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / request / ResourceAsyncRead2.java
index 4c421945f6b122cdb4b1f6e939b7226d83cbc981..1b13285d86ef6fd3b7872ab7bdf1cec8cea2231d 100644 (file)
-/*******************************************************************************\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.common.request;\r
-\r
-import org.simantics.db.AsyncRequestProcessor;\r
-import org.simantics.db.RequestProcessor;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.procedure.AsyncListener;\r
-import org.simantics.db.procedure.AsyncProcedure;\r
-import org.simantics.db.procedure.Listener;\r
-import org.simantics.db.procedure.Procedure;\r
-import org.simantics.db.procedure.SyncListener;\r
-import org.simantics.db.procedure.SyncProcedure;\r
-import org.simantics.db.request.AsyncRead;\r
-import org.simantics.db.request.ReadInterface;\r
-import org.simantics.db.request.Request;\r
-\r
-public abstract class ResourceAsyncRead2<T> implements AsyncRead<T>, Request, ReadInterface<T> {\r
-\r
-    final protected Resource resource;\r
-    final protected Resource resource2;\r
-\r
-    @Override\r
-    final public int hashCode() {\r
-        final int h1 = resource != null ? resource.hashCode() : 0;\r
-        final int h2 = resource2 != null ? resource2.hashCode() : 0;\r
-        return h1 ^ h2;\r
-    }\r
-\r
-    @Override\r
-    public int threadHash() {\r
-       return resource.hashCode() >>> 16;\r
-    }\r
-    \r
-    @Override\r
-    final public boolean equals(Object object) {\r
-        if (this == object)\r
-            return true;\r
-        else if (object == null)\r
-            return false;\r
-        else if (getClass() != object.getClass())\r
-            return false;\r
-        ResourceAsyncRead2<?> r = (ResourceAsyncRead2<?>) object;\r
-        if(resource != null) {\r
-            if(!resource.equals(r.resource)) return false;\r
-        } else if(r.resource != null) return false;\r
-        if(resource2 != null) {\r
-            if(!resource2.equals(r.resource2)) return false;\r
-        } else if(r.resource2 != null) return false;\r
-        return true;\r
-    }\r
-\r
-    @Override\r
-    public int getFlags() {\r
-        return 0;\r
-    }\r
-    \r
-    public ResourceAsyncRead2(Resource resource, Resource resource2) {\r
-        this.resource = resource;\r
-        this.resource2 = resource2;\r
-    }\r
-\r
-    @Override\r
-    public void request(AsyncRequestProcessor processor, AsyncProcedure<T> procedure) {\r
-       processor.asyncRequest(this, procedure);\r
-    }\r
-    \r
-    @Override\r
-    public void request(AsyncRequestProcessor processor, Procedure<T> procedure) {\r
-       processor.asyncRequest(this, procedure);\r
-    }\r
-    \r
-    @Override\r
-    public void request(AsyncRequestProcessor processor, SyncProcedure<T> procedure) {\r
-       processor.asyncRequest(this, procedure);\r
-    }\r
-\r
-    @Override\r
-    public void request(AsyncRequestProcessor processor, AsyncListener<T> procedure) {\r
-       processor.asyncRequest(this, procedure);\r
-    }\r
-    \r
-    @Override\r
-    public void request(AsyncRequestProcessor processor, Listener<T> procedure) {\r
-       processor.asyncRequest(this, procedure);\r
-    }\r
-    \r
-    @Override\r
-    public void request(AsyncRequestProcessor processor, SyncListener<T> procedure) {\r
-       processor.asyncRequest(this, procedure);\r
-    }\r
-    \r
-    @Override\r
-    public T request(RequestProcessor processor) throws DatabaseException {\r
-       return processor.syncRequest(this);\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.common.request;
+
+import org.simantics.db.AsyncRequestProcessor;
+import org.simantics.db.RequestProcessor;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.AsyncListener;
+import org.simantics.db.procedure.AsyncProcedure;
+import org.simantics.db.procedure.Listener;
+import org.simantics.db.procedure.Procedure;
+import org.simantics.db.procedure.SyncListener;
+import org.simantics.db.procedure.SyncProcedure;
+import org.simantics.db.request.AsyncRead;
+import org.simantics.db.request.ReadInterface;
+
+public abstract class ResourceAsyncRead2<T> implements AsyncRead<T>, ReadInterface<T> {
+
+    final protected Resource resource;
+    final protected Resource resource2;
+
+    @Override
+    final public int hashCode() {
+        final int h1 = resource != null ? resource.hashCode() : 0;
+        final int h2 = resource2 != null ? resource2.hashCode() : 0;
+        return h1 ^ h2;
+    }
+
+    @Override
+    public int threadHash() {
+       return resource.hashCode() >>> 16;
+    }
+    
+    @Override
+    final public boolean equals(Object object) {
+        if (this == object)
+            return true;
+        else if (object == null)
+            return false;
+        else if (getClass() != object.getClass())
+            return false;
+        ResourceAsyncRead2<?> r = (ResourceAsyncRead2<?>) object;
+        if(resource != null) {
+            if(!resource.equals(r.resource)) return false;
+        } else if(r.resource != null) return false;
+        if(resource2 != null) {
+            if(!resource2.equals(r.resource2)) return false;
+        } else if(r.resource2 != null) return false;
+        return true;
+    }
+
+    @Override
+    public int getFlags() {
+        return 0;
+    }
+    
+    public ResourceAsyncRead2(Resource resource, Resource resource2) {
+        this.resource = resource;
+        this.resource2 = resource2;
+    }
+
+    @Override
+    public void request(AsyncRequestProcessor processor, AsyncProcedure<T> procedure) {
+       processor.asyncRequest(this, procedure);
+    }
+    
+    @Override
+    public void request(AsyncRequestProcessor processor, Procedure<T> procedure) {
+       processor.asyncRequest(this, procedure);
+    }
+    
+    @Override
+    public void request(AsyncRequestProcessor processor, SyncProcedure<T> procedure) {
+       processor.asyncRequest(this, procedure);
+    }
+
+    @Override
+    public void request(AsyncRequestProcessor processor, AsyncListener<T> procedure) {
+       processor.asyncRequest(this, procedure);
+    }
+    
+    @Override
+    public void request(AsyncRequestProcessor processor, Listener<T> procedure) {
+       processor.asyncRequest(this, procedure);
+    }
+    
+    @Override
+    public void request(AsyncRequestProcessor processor, SyncListener<T> procedure) {
+       processor.asyncRequest(this, procedure);
+    }
+    
+    @Override
+    public T request(RequestProcessor processor) throws DatabaseException {
+       return processor.syncRequest(this);
+    }
+    
+}