OracleJRockitAttachModelImpl.java

/*
 * Copyright (c) 2007, 2011, 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
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package com.sun.tools.visualvm.attach;

import com.sun.tools.visualvm.application.Application;
import java.io.IOException;
import java.io.InputStream;
import java.util.logging.Level;

/**
 *
 * @author Tomas Hurka
 */
class OracleJRockitAttachModelImpl extends AttachModelImpl {
    
    OracleJRockitAttachModelImpl(Application app) {
        super(app);
    }
    
    public synchronized HeapHistogramImpl takeHeapHistogram() {
        try {
            InputStream in = getVirtualMachine().heapHisto(ALL_OBJECTS_OPTION);
            HeapHistogramImpl h = new JRockitHeapHistogramImpl(in);
            in.close();
            return h;
        } catch (IOException ex) {
            LOGGER.log(Level.INFO,"takeHeapHistogram",ex);  // NOI18N
        }
        return null;
    }
        
}