Migrated source code from Simantics SVN

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

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/PossibleResource.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/PossibleResource.java
new file mode 100644 (file)
index 0000000..a713e25
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/PossibleResource.java
@@ -0,0 +1,48 @@
+/*******************************************************************************\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.common.request.UnaryAsyncRead;\r
+import org.simantics.db.procedure.AsyncProcedure;\r
+\r
+final public class PossibleResource extends UnaryAsyncRead<String, Resource> {\r
+\r
+    @Override\r
+    public int getFlags() {\r
+        return 0;\r
+    }\r
+\r
+    public PossibleResource(String URI) {\r
+       super(URI);\r
+       assert(URI != null);\r
+    }\r
+\r
+    @Override\r
+    public void perform(AsyncReadGraph graph, final AsyncProcedure<Resource> procedure) {\r
+        graph.forResource(parameter, new AsyncProcedure<Resource>() {\r
+\r
+                       @Override\r
+                       public void execute(AsyncReadGraph graph, Resource result) {\r
+                               procedure.execute(graph, result);\r
+                       }\r
+\r
+                       @Override\r
+                       public void exception(AsyncReadGraph graph, Throwable throwable) {\r
+                               procedure.execute(graph, null);\r
+                       }\r
+               \r
+        });\r
+    }\r
+\r
+}\r