/*
 * 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.ignite.internal.processors.metric;

import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.IgniteException;
import org.apache.ignite.IgniteLogger;
import org.apache.ignite.mxbean.MetricsMxBean;

/**
 * {@link MetricsMxBean} implementation.
 */
public class MetricsMxBeanImpl implements MetricsMxBean {
    /** Metric manager. */
    private final GridMetricManager mmgr;

    /** Logger. */
    private final IgniteLogger log;

    /**
     * @param mmgr Metric manager.
     * @param log Logger.
     */
    public MetricsMxBeanImpl(GridMetricManager mmgr, IgniteLogger log) {
        this.mmgr = mmgr;
        this.log = log;
    }

    /** {@inheritDoc} */
    @Override public void resetMetrics(String registry) {
        assert registry != null;

        MetricRegistry mreg = mmgr.registry(registry);

        if (mreg != null)
            mreg.reset();
        else if (log.isInfoEnabled())
            log.info("\"" + registry + "\" not found.");
    }

    /** {@inheritDoc} */
    @Override public void configureHitRateMetric(String name, long rateTimeInterval) {
        try {
            mmgr.configureHitRate(name, rateTimeInterval);
        }
        catch (IgniteCheckedException e) {
            throw new IgniteException(e);
        }
    }

    /** {@inheritDoc} */
    @Override public void configureHistogramMetric(String name, long[] bounds) {
        try {
            mmgr.configureHistogram(name, bounds);
        }
        catch (IgniteCheckedException e) {
            throw new IgniteException(e);
        }
    }
}
