org.eclipse.linuxtools.tmf/src/org/eclipse/linuxtools/tmf/event/TmfEventField.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Francois Chouinard - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.event;
  14
  15 /**
  16  * <b><u>TmfEventField</u></b>
  17  * <p>
  18  * A basic event field.
  19  *
  20  * TODO: Add support for field hierarchy.
  21  */
  22 public class TmfEventField implements Cloneable {
  23
  24     // ========================================================================
  25     // Attributes
  26     // ========================================================================
  27
  28         private final TmfEventContent fParent;
  29     private final String fFieldId;
  30     private       Object fValue;
  31
  32     // ========================================================================
  33     // Constructors
  34     // ========================================================================
  35
  36     /**
  37      * @param parent
  38      * @param id
  39      * @param value
  40      */
  41     public TmfEventField(TmfEventContent parent, String id, Object value) {
  42         fParent  = parent;
  43         fFieldId = id;
  44         fValue   = value;
  45     }
  46
  47     /**
  48      * @param other
  49      */
  50     public TmfEventField(TmfEventField other) {
  51         assert(other != null);
  52         fParent  = other.fParent;
  53         fFieldId = other.fFieldId;
  54                 fValue   = other.fValue;
  55     }
  56
  57     @SuppressWarnings("unused")
  58         private TmfEventField() {
  59         fParent  = null;
  60         fFieldId = null;
  61         fValue   = null;
  62     }
  63
  64     // ========================================================================
  65     // Accessors
  66     // ========================================================================
  67
  68     /**
  69      * @return
  70      */
  71     public TmfEventContent getParent() {
  72         return fParent;
  73     }
  74
  75     /**
  76      * @return
  77      */
  78     public String getId() {
  79         return fFieldId;
  80     }
  81
  82     /**
  83      * @return
  84      */
  85     public Object getValue() {
  86         return fValue;
  87     }
  88
  89     /**
  90      * @param value
  91      */
  92     protected void setValue(Object value) {
  93         fValue = value;
  94     }
  95
  96     // ========================================================================
  97     // Operators
  98     // ========================================================================
  99
 100         /**
 101          * Clone: shallow copy by default; override for deep copy.
 102          */
 103     @Override
 104     public TmfEventField clone() {
 105         return new TmfEventField(this);
 106     }
 107
 108     @Override
 109         public String toString() {
 110         return "[TmfEventField(" + fFieldId + ":" + fValue.toString() + ")]";
 111     }
 112
 113 }