scylla-jmx/src/main/java/org/apache/cassandra/metrics/CASClientRequestMetrics.java

/*
 * 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.
 */

/*
 * Copyright 2015 Cloudius Systems
 *
 * Modified by Cloudius Systems
 */

package org.apache.cassandra.metrics;

import com.scylladb.jmx.metrics.APIMetrics;
import com.yammer.metrics.core.*;

public class CASClientRequestMetrics extends ClientRequestMetrics {

    public final Histogram contention;
    /* Used only for write */
    public final Counter conditionNotMet;

    public final Counter unfinishedCommit;

    public CASClientRequestMetrics(String url, String scope) {
        super(url, scope);
        contention = APIMetrics.newHistogram(url + "contention",
                factory.createMetricName("ContentionHistogram"), true);
        conditionNotMet = APIMetrics.newCounter(url + "condition_not_met",
                factory.createMetricName("ConditionNotMet"));
        unfinishedCommit = APIMetrics.newCounter(url + "unfinished_commit",
                factory.createMetricName("UnfinishedCommit"));
    }

    public void release() {
        super.release();
        APIMetrics.defaultRegistry().removeMetric(
                factory.createMetricName("ContentionHistogram"));
        APIMetrics.defaultRegistry().removeMetric(
                factory.createMetricName("ConditionNotMet"));
        APIMetrics.defaultRegistry().removeMetric(
                factory.createMetricName("UnfinishedCommit"));
    }
}