Metrics and Configuration

[controller.git] / opendaylight / md-sal / sal-clustering-commons / src / main / java / org / opendaylight / controller / cluster / reporting / MetricsReporter.java

diff --git a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/reporting/MetricsReporter.java b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/reporting/MetricsReporter.java
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+++ b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/reporting/MetricsReporter.java
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+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. 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.controller.cluster.reporting;
+
+import com.codahale.metrics.JmxReporter;
+import com.codahale.metrics.MetricRegistry;
+
+/**
+ * Maintains metrics registry that is provided to reporters.
+ * At the moment only one reporter exists {@code JmxReporter}.
+ * More reporters can be added.
+ * <p/>
+ * The consumers of this class will only be interested in {@code MetricsRegistry}
+ * where metrics for that consumer gets stored.
+ */
+public class MetricsReporter implements AutoCloseable{
+
+    private final MetricRegistry METRICS_REGISTRY = new MetricRegistry();
+    private final String DOMAIN = "org.opendaylight.controller.actor.metric";
+
+    public final JmxReporter jmxReporter = JmxReporter.forRegistry(METRICS_REGISTRY).inDomain(DOMAIN).build();
+
+    private static MetricsReporter inst = new MetricsReporter();
+
+    private MetricsReporter(){
+        jmxReporter.start();
+    }
+
+    public static MetricsReporter getInstance(){
+        return inst;
+    }
+
+    public MetricRegistry getMetricsRegistry(){
+        return METRICS_REGISTRY;
+    }
+
+    @Override
+    public void close() throws Exception {
+        jmxReporter.close();
+    }
+}