/*

 * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

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 */

package sun.management;

import java.lang.management.CompilationMXBean;

import java.lang.management.ManagementFactory;

import javax.management.ObjectName;

/**

 * Implementation class for the compilation subsystem.

 * Standard and committed hotspot-specific metrics if any.

 *

 * ManagementFactory.getCompilationMXBean() returns an instance

 * of this class.

 */

class CompilationImpl implements CompilationMXBean {

    private final VMManagement jvm;

    private final String name;

    /**

     * Constructor of CompilationImpl class.

     */

    CompilationImpl(VMManagement vm) {

        this.jvm = vm;

        this.name = jvm.getCompilerName();

        if (name == null) {

            throw new AssertionError("Null compiler name");

        }

    }

    public java.lang.String getName() {

        return name;

    }

    public boolean isCompilationTimeMonitoringSupported() {

        return jvm.isCompilationTimeMonitoringSupported();

    }

    public long getTotalCompilationTime() {

        if (!isCompilationTimeMonitoringSupported()) {

            throw new UnsupportedOperationException(

                "Compilation time monitoring is not supported.");

        }

        return jvm.getTotalCompileTime();

    }

    public ObjectName getObjectName() {

        return Util.newObjectName(ManagementFactory.COMPILATION_MXBEAN_NAME);

    }

}