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Monitoring of JavaEE applications
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/*
 * Copyright 2008-2017 by Emeric Vernat
 *
 *     This file is part of Java Melody.
 *
 * Licensed 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 net.bull.javamelody;

import java.util.List;
import java.util.SortedMap;
import java.util.TreeMap;

import net.bull.javamelody.internal.model.Counter;
import net.bull.javamelody.internal.model.CounterRequest;
import net.bull.javamelody.internal.model.CounterRequestAggregation;

/**
 * MXBean which exposes {@link CounterRequestAggregation} data via JMX.
 * @see javax.management.MXBean
 * @see CounterRequestAggregation
 *
 * @author Alexey Pushkin
 */
public interface CounterRequestMXBean {
	/**
	 * @return CounterRequestAggregationData
	 */
	CounterRequestAggregationData getCounterRequestAggregation();

	/**
	 * @author Alexey Pushkin
	 */
	class CounterRequestAggregationData {
		private final CounterRequestData globalRequest;
		private final CounterRequestData warningRequest;
		private final CounterRequestData severeRequest;
		private final int warningThreshold;
		private final int severeThreshold;
		private final SortedMap requests;

		CounterRequestAggregationData(CounterRequestAggregation aggregation) {
			super();
			this.globalRequest = new CounterRequestData(aggregation.getGlobalRequest());
			this.warningRequest = new CounterRequestData(aggregation.getWarningRequest());
			this.severeRequest = new CounterRequestData(aggregation.getSevereRequest());
			this.warningThreshold = aggregation.getWarningThreshold();
			this.severeThreshold = aggregation.getSevereThreshold();

			this.requests = new TreeMap();
			final List requestList = aggregation.getRequests();
			for (final CounterRequest request : requestList) {
				requests.put(request.getName(), new CounterRequestData(request));
			}
		}

		public CounterRequestData getGlobalRequest() {
			return globalRequest;
		}

		public CounterRequestData getWarningRequest() {
			return warningRequest;
		}

		public CounterRequestData getSevereRequest() {
			return severeRequest;
		}

		public int getWarningThreshold() {
			return warningThreshold;
		}

		public int getSevereThreshold() {
			return severeThreshold;
		}

		public SortedMap getRequests() {
			return requests;
		}
	}

	/**
	 * @author Alexey Pushkin
	 */
	class CounterRequestData {
		private final CounterRequest request;

		CounterRequestData(CounterRequest request) {
			super();
			this.request = request;
		}

		public String getName() {
			return request.getName();
		}

		public long getHits() {
			return request.getHits();
		}

		public int getMean() {
			return request.getMean();
		}

		public int getStandardDeviation() {
			return request.getStandardDeviation();
		}

		public long getMaximum() {
			return request.getMaximum();
		}

		public int getCpuTimeMean() {
			return request.getCpuTimeMean();
		}

		public int getAllocatedKBytesMean() {
			return request.getAllocatedKBytesMean();
		}

		public float getSystemErrorPercentage() {
			return request.getSystemErrorPercentage();
		}

		public int getResponseSizeMean() {
			return request.getResponseSizeMean();
		}
	}

	/**
	 * @author Alexey Pushkin
	 */
	class CounterRequestMXBeanImpl implements CounterRequestMXBean {

		private final Counter counter;

		CounterRequestMXBeanImpl(Counter counter) {
			super();
			this.counter = counter;
		}

		@Override
		public CounterRequestAggregationData getCounterRequestAggregation() {
			return new CounterRequestAggregationData(new CounterRequestAggregation(counter));
		}
	}
}