Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.simulation / src / org / simantics / simulation / project / CountingExperimentActivationListener.java

diff --git a/bundles/org.simantics.simulation/src/org/simantics/simulation/project/CountingExperimentActivationListener.java b/bundles/org.simantics.simulation/src/org/simantics/simulation/project/CountingExperimentActivationListener.java
new file mode 100644 (file)
index 0000000..aecce15
--- /dev/null
+++ b/bundles/org.simantics.simulation/src/org/simantics/simulation/project/CountingExperimentActivationListener.java
@@ -0,0 +1,68 @@
+/*******************************************************************************\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.simulation.project;\r
+\r
+import java.util.concurrent.atomic.AtomicBoolean;\r
+import java.util.concurrent.atomic.AtomicInteger;\r
+\r
+import org.eclipse.core.runtime.IProgressMonitor;\r
+import org.eclipse.core.runtime.IStatus;\r
+import org.simantics.simulation.Activator;\r
+import org.simantics.simulation.experiment.IExperiment;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class CountingExperimentActivationListener implements IExperimentActivationListener {\r
+\r
+    IExperimentActivationListener proxy;\r
+    AtomicInteger                 activationCounter;\r
+    IProgressMonitor              monitor;\r
+    AtomicBoolean                 excepted = new AtomicBoolean(false);\r
+\r
+    public CountingExperimentActivationListener(IExperimentActivationListener proxy, int expectedActivations) {\r
+        this(proxy, expectedActivations, null);\r
+    }\r
+\r
+    public CountingExperimentActivationListener(IExperimentActivationListener proxy, int expectedActivations, IProgressMonitor monitor) {\r
+        this.proxy = proxy;\r
+        this.activationCounter = new AtomicInteger(expectedActivations);\r
+        this.monitor = monitor;\r
+    }\r
+\r
+    @Override\r
+    public void onMessage(IStatus message) {\r
+        proxy.onMessage(message);\r
+    }\r
+\r
+    @Override\r
+    public void onExperimentActivated(IExperiment experiment) {\r
+        if (activationCounter.decrementAndGet() == 0) {\r
+            if (!excepted.get())\r
+                proxy.onExperimentActivated(experiment);\r
+        }\r
+    }\r
+\r
+    @Override\r
+    public void onFailure(Throwable e) {\r
+        if (excepted.compareAndSet(false, true))\r
+            proxy.onFailure(e);\r
+        else\r
+            Activator.logError(e.getMessage(), e);\r
+    }\r
+\r
+    @Override\r
+    public IProgressMonitor getProgressMonitor() {\r
+        return monitor != null ? monitor : proxy.getProgressMonitor();\r
+    }\r
+\r
+}\r