001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: * The Original Software is NetBeans. The Initial Developer of the Original
026: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
027: * Microsystems, Inc. All Rights Reserved.
028: *
029: * If you wish your version of this file to be governed by only the CDDL
030: * or only the GPL Version 2, indicate your decision by adding
031: * "[Contributor] elects to include this software in this distribution
032: * under the [CDDL or GPL Version 2] license." If you do not indicate a
033: * single choice of license, a recipient has the option to distribute
034: * your version of this file under either the CDDL, the GPL Version 2 or
035: * to extend the choice of license to its licensees as provided above.
036: * However, if you add GPL Version 2 code and therefore, elected the GPL
037: * Version 2 license, then the option applies only if the new code is
038: * made subject to such option by the copyright holder.
039: */
040:
041: package org.netbeans.lib.profiler.results.memory;
042:
043: import java.io.DataInputStream;
044: import java.io.DataOutputStream;
045: import java.io.IOException;
046:
047: /**
048: * A terminal node used in Object Allocation Profiling Calling Context Tree (CCT).
049: * Contains the information gathered during object allocation profiling, which can be calculated for intermediate nodes
050: * if known for terminal nodes.
051: * <p/>
052: * Normally used as a leaf, except in case there are multiple same paths in the tree with differfent length
053: * <p/>
054: * The information in TermCCTNode represents all objects of the same type allocated using same call path.
055: *
056: * @author Misha Dmitriev
057: * @author Ian Formanek
058: */
059: public class RuntimeObjAllocTermCCTNode extends RuntimeMemoryCCTNode {
060: //~ Instance fields ----------------------------------------------------------------------------------------------------------
061:
062: public long nCalls; // # of invocations
063: public long totalObjSize; // object size in Bytes
064:
065: //~ Constructors -------------------------------------------------------------------------------------------------------------
066:
067: public RuntimeObjAllocTermCCTNode(int methodId) {
068: super (methodId);
069: }
070:
071: protected RuntimeObjAllocTermCCTNode() {
072: } // only for I/O
073:
074: //~ Methods ------------------------------------------------------------------------------------------------------------------
075:
076: public int getType() {
077: return TYPE_RuntimeObjAllocTermCCTNode;
078: }
079:
080: public void readFromStream(DataInputStream in) throws IOException {
081: super .readFromStream(in);
082: nCalls = in.readLong();
083: totalObjSize = in.readLong();
084: }
085:
086: public void updateForNewObject(long objSize) {
087: nCalls++;
088: totalObjSize += objSize;
089: }
090:
091: public void updateForRemovedObject(long objSize) {
092: totalObjSize -= objSize;
093: }
094:
095: public void writeToStream(DataOutputStream out) throws IOException {
096: super.writeToStream(out);
097: out.writeLong(nCalls);
098: out.writeLong(totalObjSize);
099: }
100: }
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