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Java-based middleware for in-memory processing of big data in a distributed environment.

There is a newer version: 3.0.0-beta1

/*
 * 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.mxbean;

import org.apache.ignite.IgniteException;
import org.apache.ignite.internal.processors.metric.impl.HitRateMetric;
import org.apache.ignite.spi.metric.HistogramMetric;

/**
 * Metrics MXBean interface.
 */
@MXBeanDescription("MBean that provides access to Ignite metrics management methods.")
public interface MetricsMxBean {
    /**
     * Resets metrics for of a given registry.
     *
     * @param registry Metrics registry name.
     */
    @MXBeanDescription("Resets metrics of a given registry.")
    @MXBeanParametersNames("registry")
    @MXBeanParametersDescriptions("Metrics registry.")
    public void resetMetrics(String registry);

    /**
     * Change {@link HitRateMetric} configuration.
     * Call of this method will change metric configuration across all cluster nodes.
     *
     * @param name Metric name.
     * @param rateTimeInterval New rate time interval.
     * @throws IgniteException If some error occured.
     */
    @MXBeanDescription("Configure hitrate metric.")
    @MXBeanParametersNames({"name", "cfg"})
    @MXBeanParametersDescriptions({"Metric name.", "New rate time interval."})
    public void configureHitRateMetric(String name, long rateTimeInterval) throws IgniteException;

    /**
     * Change {@link HistogramMetric} configuration.
     * Call of this method will change metric configuration across all cluster nodes.
     *
     * @param name Metric name.
     * @param bounds New bounds.
     * @throws IgniteException If some error occured.
     */
    @MXBeanDescription("Configure histogram metric.")
    @MXBeanParametersNames({"name", "cfg"})
    @MXBeanParametersDescriptions({"Metric name.", "New bounds."})
    public void configureHistogramMetric(String name, long[] bounds) throws IgniteException;
}