Multiple reader thread support for db client

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / primitiverequest / PossibleAdapter.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/PossibleAdapter.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/PossibleAdapter.java
index 0cab13ee0b9c7bf1bb48fa9a8600e68af3a81a36..81d0f38958e9217bfbbe4cd7efd6c367f75b8618 100644 (file)
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/PossibleAdapter.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/PossibleAdapter.java
@@ -1,63 +1,32 @@
-/*******************************************************************************\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.primitiverequest;\r
-\r
-import org.simantics.db.AsyncReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.procedure.AsyncProcedure;\r
-import org.simantics.db.request.AsyncRead;\r
-\r
-final public class PossibleAdapter<T> implements AsyncRead<T> {\r
-\r
-       final private Resource resource;\r
-    final private Class<T> clazz;\r
-    \r
-    @Override\r
-    public int hashCode() {\r
-        return resource.hashCode() + 31 * clazz.hashCode();\r
-    }\r
-    \r
-    @Override\r
-    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
-        PossibleAdapter<?> r = (PossibleAdapter<?>)object;\r
-        return resource.equals(r.resource) && clazz.equals(r.clazz);\r
-    }\r
-\r
-    @Override\r
-    public int threadHash() {\r
-       return hashCode();\r
-    }\r
-\r
-    @Override\r
-    public int getFlags() {\r
-        return 0;\r
-    }\r
-    \r
-    public PossibleAdapter(Resource resource, Class<T> clazz) {\r
-        this.resource = resource;\r
-        this.clazz = clazz;\r
-    }\r
-\r
-    @Override\r
-    public void perform(AsyncReadGraph graph, AsyncProcedure<T> procedure) {\r
-        \r
-        graph.forPossibleAdapted(resource, clazz, procedure);\r
-        \r
-    }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2018 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.primitiverequest;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.adaption.AdaptionService;
+import org.simantics.db.common.request.BinaryRead;
+import org.simantics.db.exception.DatabaseException;
+
+public final class PossibleAdapter<T> extends BinaryRead<Resource,Class<T>, T> {
+
+    public PossibleAdapter(Resource resource, Class<T> clazz) {
+        super(resource, clazz);
+    }
+
+    @Override
+    public T perform(ReadGraph graph) throws DatabaseException {
+        final AdaptionService service = graph.peekService(AdaptionService.class);
+        return service.adapt(graph, parameter, parameter, Resource.class, parameter2, true);
+    }
+
+}