Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / adaption / SimpleContextualAdapter.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/adaption/SimpleContextualAdapter.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/adaption/SimpleContextualAdapter.java
new file mode 100644 (file)
index 0000000..6b23167
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/adaption/SimpleContextualAdapter.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.adaption;\r
+\r
+import org.simantics.db.AsyncReadGraph;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.adaption.Adapter;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.procedure.AsyncProcedure;\r
+import org.simantics.db.request.Read;\r
+\r
+public abstract class SimpleContextualAdapter<T,C> implements Adapter<T, C> {\r
+\r
+    public abstract T adapt(ReadGraph g, Resource source, C context) throws DatabaseException;\r
+\r
+    @Override\r
+    public void adapt(AsyncReadGraph g, final Resource source, final C context, AsyncProcedure<T> procedure) {\r
+\r
+        //System.out.println("SimpleAdapter.adapt" + this.getClass());\r
+\r
+        g.asyncRequest(new Read<T>() {\r
+\r
+            @Override\r
+            public T perform(ReadGraph graph) throws DatabaseException {\r
+                //System.out.println("SimpleAdapter.perform" + this.getClass());\r
+                return adapt(graph, source, context);\r
+            }\r
+            \r
+            @Override\r
+            public String toString() {\r
+               return SimpleContextualAdapter.this.toString();\r
+            }\r
+            \r
+        }, procedure);\r
+\r
+    }\r
+\r
+}\r