Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db / src / org / simantics / db / MonitorHandler.java

diff --git a/bundles/org.simantics.db/src/org/simantics/db/MonitorHandler.java b/bundles/org.simantics.db/src/org/simantics/db/MonitorHandler.java
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index 0000000..3439630
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+++ b/bundles/org.simantics.db/src/org/simantics/db/MonitorHandler.java
@@ -0,0 +1,37 @@
+/*******************************************************************************\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;\r
+\r
+import org.simantics.db.service.SessionMonitorSupport;\r
+\r
+/**\r
+ * An interface provided by clients to {@link SessionMonitorSupport} to be able\r
+ * to receive notifications about changes in {@link Session} state variables.\r
+ * \r
+ * <p>\r
+ * The handler does not support specific notifications, it is only a general way\r
+ * of saying to clients that something has changed.\r
+ * \r
+ * @see MonitorContext\r
+ * @see SessionMonitorSupport\r
+ * @see SessionVariables\r
+ */\r
+public interface MonitorHandler {\r
+\r
+    /**\r
+     * Some variables have changed in the monitored session.\r
+     * \r
+     * @param c a context that can be used to access the variables\r
+     */\r
+    void valuesChanged(MonitorContext c);\r
+\r
+}\r