Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / request / ResourceAsyncRead2.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/request/ResourceAsyncRead2.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/ResourceAsyncRead2.java
new file mode 100644 (file)
index 0000000..4c42194
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/request/ResourceAsyncRead2.java
@@ -0,0 +1,108 @@
+/*******************************************************************************\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