Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.layer0.utils / src / org / simantics / layer0 / utils / triggers / IActivationManager.java

diff --git a/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/triggers/IActivationManager.java b/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/triggers/IActivationManager.java
new file mode 100644 (file)
index 0000000..53deaaa
--- /dev/null
+++ b/bundles/org.simantics.layer0.utils/src/org/simantics/layer0/utils/triggers/IActivationManager.java
@@ -0,0 +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.layer0.utils.triggers;\r
+\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+/**\r
+ * Manages trigger activations.\r
+ * This is a Session service. Acquire it \r
+ * by calling Session.getService(IActivationManager.class).\r
+ */\r
+public interface IActivationManager {\r
+       /**\r
+        * Activates all triggers attached to the resource\r
+        * (by HasTrigger-relation). A trigger is active\r
+        * as long as there is one or more activations \r
+        * referring to it. \r
+        */\r
+       IActivation activate(Resource resource);\r
+\r
+       IActivation activate(WriteGraph graph, Resource resource) throws DatabaseException;\r
+\r
+       void activateOnce(Resource resource);\r
+       \r
+       void activateOnce(WriteGraph graph, Resource resource) throws DatabaseException;\r
+       \r
+}\r