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EmitterMetrics.java
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EmitterMetrics.java
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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.s4.comm.util;
import java.util.concurrent.TimeUnit;
import org.apache.s4.comm.tcp.TCPEmitter;
import org.apache.s4.comm.topology.Cluster;
import com.google.inject.Inject;
import com.yammer.metrics.Metrics;
import com.yammer.metrics.core.Meter;
public class EmitterMetrics {
private final Meter[] emittersMeters;
public EmitterMetrics(Cluster cluster) {
emittersMeters = new Meter[cluster.getPhysicalCluster().getPartitionCount()];
for (int i = 0; i < cluster.getPhysicalCluster().getPartitionCount(); i++) {
emittersMeters[i] = Metrics.newMeter(TCPEmitter.class, "event-emitted@"
+ cluster.getPhysicalCluster().getName() + "@partition-" + i, "event-emitted", TimeUnit.SECONDS);
}
}
public void sentMessage(int partitionId) {
emittersMeters[partitionId].mark();
}
}