Added the option for user-confugrable number of data tree change listeners that liste...

[controller.git] / benchmark / dsbenchmark / src / main / java / org / opendaylight / dsbenchmark / listener / DsbenchmarkListener.java

diff --git a/benchmark/dsbenchmark/src/main/java/org/opendaylight/dsbenchmark/listener/DsbenchmarkListener.java b/benchmark/dsbenchmark/src/main/java/org/opendaylight/dsbenchmark/listener/DsbenchmarkListener.java
new file mode 100644 (file)
index 0000000..02d09f6
--- /dev/null
+++ b/benchmark/dsbenchmark/src/main/java/org/opendaylight/dsbenchmark/listener/DsbenchmarkListener.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2016 Cisco Systems and others.  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
+ */
+
+package org.opendaylight.dsbenchmark.listener;
+
+import java.util.Collection;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
+import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.dsbenchmark.rev150105.TestExec;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class DsbenchmarkListener implements DataTreeChangeListener<TestExec> {
+    private static final Logger LOG = LoggerFactory.getLogger(DsbenchmarkListener.class);
+    private AtomicInteger numEvents = new AtomicInteger(0);
+
+    @Override
+    public void onDataTreeChanged(
+            Collection<DataTreeModification<TestExec>> changes) {
+        // Since we're registering the same DsbenchmarkListener object for both
+        // OPERATIONAL and CONFIG, the onDataTreeChanged() method can be called
+        // from different threads, and we need to use atomic counters.
+
+        final int eventNum = numEvents.incrementAndGet();
+        if(LOG.isDebugEnabled()){
+            logDataTreeChangeEvent(eventNum, changes);
+        }
+    }
+
+    private static synchronized void logDataTreeChangeEvent(int eventNum,
+            Collection<DataTreeModification<TestExec>> changes) {
+        LOG.debug("DsbenchmarkListener-onDataTreeChanged: Event {}", eventNum);
+
+        for(DataTreeModification<TestExec> change : changes) {
+            final DataObjectModification<TestExec> rootNode = change.getRootNode();
+            final ModificationType modType = rootNode.getModificationType();
+            final PathArgument changeId = rootNode.getIdentifier();
+            final Collection<DataObjectModification<? extends DataObject>> modifications = rootNode.getModifiedChildren();
+
+            LOG.debug("    changeId {}, modType {}, mods: {}", changeId, modType, modifications.size());
+
+            for (DataObjectModification<? extends DataObject> mod : modifications) {
+                LOG.debug("      mod-getDataAfter: {}", mod.getDataAfter());
+            }
+        }
+    }
+
+    public int getNumEvents() {
+        return numEvents.get();
+    }
+
+}