1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 * 26 * ident "%Z%%M% %I% %E% SMI" 27 */ 28 package org.opensolaris.os.dtrace; 29 30 import java.beans.*; 31 32 /** 33 * A {@code long} value aggregated by the DTrace {@code sum()} action. 34 * <p> 35 * Immutable. Supports persistence using {@link java.beans.XMLEncoder}. 36 * 37 * @see Aggregation 38 * @author Tom Erickson 39 */ 40 public final class SumValue extends AbstractAggregationValue { 41 static final long serialVersionUID = 4929338907817617943L; 42 43 static { 44 try { 45 BeanInfo info = Introspector.getBeanInfo(SumValue.class); 46 PersistenceDelegate persistenceDelegate = 47 new DefaultPersistenceDelegate( 48 new String[] {"value"}); 49 BeanDescriptor d = info.getBeanDescriptor(); 50 d.setValue("persistenceDelegate", persistenceDelegate); 51 } catch (IntrospectionException e) { 52 System.out.println(e); 53 } 54 } 55 56 /** 57 * Creates a value aggregated by the DTrace {@code sum()} action. 58 * Supports XML persistence. 59 * 60 * @param v sum total of the aggregated values 61 */ 62 public SumValue(long v)63 SumValue(long v) 64 { 65 super(v); 66 } 67 68 // Needed to support XML persistence since XMLDecoder cannot find 69 // the public method of the non-public superclass. 70 71 /** 72 * Gets the sum total of the aggregated values. 73 * 74 * @return the sum total of the aggregated values 75 */ 76 public Long getValue()77 getValue() 78 { 79 return (Long)super.getValue(); 80 } 81 } 82