/*
 * Copyright 2012-2017 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2, or (at your
 * option) any later version.
 *
 * Thermostat is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.vm.classstat.common.model;

import com.redhat.thermostat.storage.core.Entity;
import com.redhat.thermostat.storage.core.Persist;
import com.redhat.thermostat.storage.model.BasePojo;
import com.redhat.thermostat.storage.model.TimeStampedPojo;

@Entity
public class VmClassStat extends BasePojo implements TimeStampedPojo {

    // See the jdk sources for more information:
    // - jdk/src/share/classes/sun/tools/jstat/resources/jstat_options
    // - jdk/src/share/classes/sun/tools/jstat/resources/jstat_unsupported_options

    public static final int UNKNOWN = -1;

    private String vmId;
    private long timestamp;
    private long loadedClasses;
    private long loadedBytes;
    private long unloadedClasses;
    private long unloadedBytes;
    private long classLoadTime;

    public VmClassStat() {
        this(null, null, UNKNOWN,
                UNKNOWN, UNKNOWN,
                UNKNOWN, UNKNOWN,
                UNKNOWN);
    }

    public VmClassStat(String writerId, String vmId, long timestamp,
            long loadedClasses, long loadedBytes,
            long unloadedClasses, long unloadedBytes,
            long classLoadTime) {
        super(writerId);
        this.vmId = vmId;
        this.timestamp = timestamp;
        this.loadedClasses = loadedClasses;
        this.loadedBytes = loadedBytes;
        this.unloadedClasses = unloadedClasses;
        this.unloadedBytes = unloadedBytes;
        this.classLoadTime = classLoadTime;
    }

    @Persist
    public String getVmId() {
        return vmId;
    }

    @Persist
    public void setVmId(String vmId) {
        this.vmId = vmId;
    }

    @Persist
    @Override
    public long getTimeStamp() {
        return timestamp;
    }

    @Persist
    public void setTimeStamp(long timestamp) {
        this.timestamp = timestamp;
    }

    /** Number of classes loaded */
    @Persist
    public long getLoadedClasses() {
        return loadedClasses;
    }

    @Persist
    public void setLoadedClasses(long loadedClasses) {
        this.loadedClasses = loadedClasses;
    }

    /** Accumulated Size of classes loaded */
    @Persist
    public long getLoadedBytes() {
        return loadedBytes;
    }

    @Persist
    public void setLoadedBytes(long bytes) {
        this.loadedBytes = bytes;
    }

    /** Number of classes unloaded */
    @Persist
    public long getUnloadedClasses() {
        return unloadedClasses;
    }

    @Persist
    public void setUnloadedClasses(long classes) {
        this.unloadedClasses = classes;
    }

    /** Accumulated size of classes unloaded */
    @Persist
    public long getUnloadedBytes() {
        return unloadedBytes;
    }

    @Persist
    public void setUnloadedBytes(long bytes) {
        this.unloadedBytes = bytes;
    }

    /** Accumulated time for class loading. In seconds */
    @Persist
    public long getClassLoadTime() {
        return classLoadTime;
    }

    @Persist
    public void setClassLoadTime(long seconds) {
        this.classLoadTime = seconds;
    }

}
