MXBeanRuntime.java

/*
 * The MIT License
 *
 * Copyright (c) 2014 Red Hat, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.github.olivergondza.dumpling.model.mxbean;

import java.io.PrintStream;
import java.lang.management.ThreadMXBean;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Set;

import javax.annotation.Nonnull;

import com.github.olivergondza.dumpling.model.ProcessRuntime;
import com.github.olivergondza.dumpling.model.ProcessThread;

/**
 * {@link ProcessRuntime} created from {@link ThreadMXBean} data.
 *
 * Shared API for JVM and JMX models.
 *
 * @author ogondza
 */
public abstract class MXBeanRuntime<
        R extends MXBeanRuntime<R, S, T>,
        S extends MXBeanThreadSet<S, R, T>,
        T extends MXBeanThread<T, S, R>
> extends ProcessRuntime<R, S, T> {

    private static final SimpleDateFormat FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    private final @Nonnull Date captured;
    private final @Nonnull String jvmId;

    protected MXBeanRuntime(@Nonnull Set<? extends ProcessThread.Builder<?>> builders, @Nonnull Date captured, @Nonnull String jvmId) {
        super(builders);
        this.captured = (Date) captured.clone();
        this.jvmId = jvmId;
    }

    @Override
    public void toString(PrintStream stream, Mode mode) {
        stream.println(FORMAT.format(captured));
        stream.println(jvmId);
        stream.println();
        super.toString(stream, mode);
    }
}