/* * 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 * questions. */ 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);    }  }