Multiple reader thread support for db client

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

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/RelationInfoRequest.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/RelationInfoRequest.java
index 16b642f5c077036d6b58167dc2a7019f5e81a4c7..5fbe501137a108910f5b375534766644e6ab0079 100644 (file)
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/RelationInfoRequest.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/RelationInfoRequest.java
@@ -1,34 +1,38 @@
-/*******************************************************************************\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.RelationInfo;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.common.request.ResourceAsyncRead;\r
-import org.simantics.db.procedure.AsyncProcedure;\r
-import org.simantics.db.service.DirectQuerySupport;\r
-\r
-final public class RelationInfoRequest extends ResourceAsyncRead<RelationInfo> {\r
-\r
-    public RelationInfoRequest(Resource resource) {\r
-        super(resource);\r
-    }\r
-\r
-       @Override\r
-       public void perform(AsyncReadGraph graph, AsyncProcedure<RelationInfo> procedure) {\r
-               DirectQuerySupport dqs = graph.getService(DirectQuerySupport.class);\r
-               dqs.forRelationInfo(graph, resource, procedure);\r
-       }\r
-       \r
-}\r
-       
\ No newline at end of file
+/*******************************************************************************
+ * 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.AsyncReadGraph;
+import org.simantics.db.RelationInfo;
+import org.simantics.db.Resource;
+import org.simantics.db.common.request.ResourceAsyncRead;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.procedure.AsyncProcedure;
+import org.simantics.db.service.DirectQuerySupport;
+
+public final class RelationInfoRequest extends ResourceAsyncRead<RelationInfo> {
+
+    public RelationInfoRequest(Resource resource) {
+        super(resource);
+    }
+
+    @Override
+    public void perform(AsyncReadGraph graph, AsyncProcedure<RelationInfo> procedure) {
+        DirectQuerySupport dqs = graph.getService(DirectQuerySupport.class);
+        try {
+            procedure.execute(graph, dqs.getRelationInfo(graph, resource));
+        } catch (DatabaseException e) {
+            procedure.exception(graph, e);
+        }
+    }
+
+}      
\ No newline at end of file