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/**
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * 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 io.gravitee.node.api.monitor;

import java.io.Serializable;

/**
 * @author David BRASSELY (david.brassely at graviteesource.com)
 * @author GraviteeSource Team
 */
public final class JvmInfo implements Serializable {

    public long timestamp = -1;
    public long uptime;
    public Mem mem;
    public Threads threads;
    public GarbageCollectors gc;

    protected JvmInfo() {}

    public JvmInfo(long timestamp, long uptime) {
        this.timestamp = timestamp;
        this.uptime = uptime;
    }

    public static class Mem implements Serializable {

        public long heapCommitted;
        public long heapUsed;
        public long heapMax;
        public long nonHeapCommitted;
        public long nonHeapUsed;

        public MemoryPool[] pools = new MemoryPool[0];

        public short getHeapUsedPercent() {
            if (heapMax == 0) {
                return -1;
            }
            return (short) (heapUsed * 100 / heapMax);
        }
    }

    public static class MemoryPool implements Serializable {

        public String name;
        public long used;
        public long max;

        public long peakUsed;
        public long peakMax;

        protected MemoryPool() {}

        public MemoryPool(String name, long used, long max, long peakUsed, long peakMax) {
            this.name = name;
            this.used = used;
            this.max = max;
            this.peakUsed = peakUsed;
            this.peakMax = peakMax;
        }

        public String getName() {
            return this.name;
        }

        public long getUsed() {
            return used;
        }

        public long getMax() {
            return max;
        }

        public long getPeakUsed() {
            return peakUsed;
        }

        public long getPeakMax() {
            return peakMax;
        }
    }

    public static class Threads implements Serializable {

        public int count;
        public int peakCount;

        public int getCount() {
            return count;
        }

        public int getPeakCount() {
            return peakCount;
        }
    }

    public static class GarbageCollectors implements Serializable {

        public GarbageCollector[] collectors;
    }

    public static class GarbageCollector implements Serializable {

        public String name;
        public long collectionCount;
        public long collectionTime;

        public String getName() {
            return this.name;
        }

        public long getCollectionTime() {
            return collectionTime;
        }

        public long getCollectionCount() {
            return this.collectionCount;
        }
    }
}