X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.simulation%2Fsrc%2Forg%2Fsimantics%2Fsimulation%2Fproject%2FCountingExperimentActivationListener.java;fp=bundles%2Forg.simantics.simulation%2Fsrc%2Forg%2Fsimantics%2Fsimulation%2Fproject%2FCountingExperimentActivationListener.java;h=aecce15b78968992bcb71f6f5ad18d1bb7996470;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

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
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+++ b/bundles/org.simantics.simulation/src/org/simantics/simulation/project/CountingExperimentActivationListener.java
@@ -0,0 +1,68 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.simulation.project;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.simantics.simulation.Activator;
+import org.simantics.simulation.experiment.IExperiment;
+
+/**
+ * @author Tuukka Lehtonen
+ */
+public class CountingExperimentActivationListener implements IExperimentActivationListener {
+
+    IExperimentActivationListener proxy;
+    AtomicInteger                 activationCounter;
+    IProgressMonitor              monitor;
+    AtomicBoolean                 excepted = new AtomicBoolean(false);
+
+    public CountingExperimentActivationListener(IExperimentActivationListener proxy, int expectedActivations) {
+        this(proxy, expectedActivations, null);
+    }
+
+    public CountingExperimentActivationListener(IExperimentActivationListener proxy, int expectedActivations, IProgressMonitor monitor) {
+        this.proxy = proxy;
+        this.activationCounter = new AtomicInteger(expectedActivations);
+        this.monitor = monitor;
+    }
+
+    @Override
+    public void onMessage(IStatus message) {
+        proxy.onMessage(message);
+    }
+
+    @Override
+    public void onExperimentActivated(IExperiment experiment) {
+        if (activationCounter.decrementAndGet() == 0) {
+            if (!excepted.get())
+                proxy.onExperimentActivated(experiment);
+        }
+    }
+
+    @Override
+    public void onFailure(Throwable e) {
+        if (excepted.compareAndSet(false, true))
+            proxy.onFailure(e);
+        else
+            Activator.logError(e.getMessage(), e);
+    }
+
+    @Override
+    public IProgressMonitor getProgressMonitor() {
+        return monitor != null ? monitor : proxy.getProgressMonitor();
+    }
+
+}