Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / service / impl / ActivationManagerImpl.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/service/impl/ActivationManagerImpl.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/service/impl/ActivationManagerImpl.java
new file mode 100644 (file)
index 0000000..b154224
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/service/impl/ActivationManagerImpl.java
@@ -0,0 +1,67 @@
+/*******************************************************************************\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.layer0.service.impl;\r
+\r
+import java.util.ArrayList;\r
+import java.util.Collection;\r
+\r
+import org.simantics.db.Disposable;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.layer0.adapter.Activation;\r
+import org.simantics.db.layer0.service.ActivationManager;\r
+import org.simantics.db.request.Read;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.operation.Layer0X;\r
+import org.simantics.utils.threads.logger.IThreadLogger;\r
+import org.simantics.utils.threads.logger.ThreadLogger;\r
+\r
+public class ActivationManagerImpl implements ActivationManager, Disposable {\r
+\r
+    Session session;\r
+    static IThreadLogger threadLogger = ThreadLogger.getInstance();\r
+\r
+    public ActivationManagerImpl(Session session) {\r
+        this.session = session;\r
+    }\r
+\r
+    @Override\r
+    public Collection<Activation> activate(RequestProcessor processor, final Resource r) throws DatabaseException {\r
+\r
+        return processor.syncRequest(new Read<Collection<Activation>>() {\r
+\r
+            @Override\r
+            public Collection<Activation> perform(ReadGraph graph) throws DatabaseException {\r
+                Layer0 l0 = Layer0.getInstance(graph);\r
+                Layer0X L0X = Layer0X.getInstance(graph);\r
+                ArrayList<Activation> result = new ArrayList<Activation>();\r
+                for(Resource activation : graph.getObjects(r, L0X.HasActivation)) {\r
+                    Activation a = graph.adapt(activation, Activation.class);\r
+                    a.activate(graph, r);\r
+                    result.add(a);\r
+                }\r
+                return result;\r
+            }\r
+\r
+        });\r
+\r
+    }\r
+\r
+    @Override\r
+    public void dispose() {\r
+        session = null;\r
+    }\r
+\r
+}\r