org.eclipse.linuxtools.tmf/src/org/eclipse/linuxtools/tmf/event/TmfEventSource.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>TmfEventSource</u></b>
  17  * <p>
  18  * The event source.
  19  */
  20 public class TmfEventSource implements Cloneable {
  21
  22     // ------------------------------------------------------------------------
  23     // Attributes
  24     // ------------------------------------------------------------------------
  25
  26         protected Object fSourceId;
  27
  28     // ------------------------------------------------------------------------
  29     // Constructors
  30     // ------------------------------------------------------------------------
  31
  32     /**
  33      * The default constructor
  34      */
  35     public TmfEventSource() {
  36         fSourceId = null;
  37     }
  38
  39         /**
  40          * @param sourceId
  41          */
  42         public TmfEventSource(Object sourceId) {
  43                 fSourceId = sourceId;
  44         }
  45
  46         /**
  47          * Copy constructor
  48          * @param other
  49          */
  50         public TmfEventSource(TmfEventSource other) {
  51         if (other == null)
  52                 throw new IllegalArgumentException();
  53         TmfEventSource o = (TmfEventSource) other;
  54         fSourceId = o.fSourceId;
  55         }
  56
  57     // ------------------------------------------------------------------------
  58     // Accessors
  59     // ------------------------------------------------------------------------
  60
  61         /**
  62          * @return
  63          */
  64         public Object getSourceId() {
  65                 return fSourceId;
  66         }
  67
  68     // ------------------------------------------------------------------------
  69     // Object
  70     // ------------------------------------------------------------------------
  71
  72         @Override
  73     public int hashCode() {
  74         return (fSourceId != null) ? fSourceId.hashCode() : 0;
  75     }
  76
  77         @Override
  78     public boolean equals(Object other) {
  79                 if (!(other instanceof TmfEventSource))
  80                         return false;
  81                 TmfEventSource o = (TmfEventSource) other;
  82         return fSourceId.equals(o.fSourceId);
  83     }
  84
  85         @Override
  86     @SuppressWarnings("nls")
  87     public String toString() {
  88         return "[TmfEventSource(" + ((fSourceId != null) ? fSourceId.toString() : "null") + ")]";
  89     }
  90
  91         @Override
  92         public TmfEventSource clone() {
  93                 TmfEventSource clone = null;
  94                 try {
  95                         clone = (TmfEventSource) super.clone();
  96                         clone.fSourceId = fSourceId;
  97                 }
  98                 catch (CloneNotSupportedException e) {
  99                         e.printStackTrace();
 100                 }
 101                 return clone;
 102         }
 103 }