org.eclipse.linuxtools.tmf/src/org/eclipse/linuxtools/tmf/trace/TmfLocation.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2010 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.trace;
  14
  15 import java.lang.reflect.Method;
  16
  17 /**
  18  * <b><u>TmfLocation</u></b>
  19  * <p>
  20  * A generic implementation of ITmfLocation
  21  */
  22 @SuppressWarnings("rawtypes")
  23 public class TmfLocation<L extends Comparable> implements ITmfLocation<L> {
  24
  25         private L fLocation;
  26
  27         @SuppressWarnings("unused")
  28         private TmfLocation() {
  29         }
  30
  31         public TmfLocation(L location) {
  32                 fLocation = location;
  33         }
  34
  35         public TmfLocation(TmfLocation<L> other) {
  36         if (other == null)
  37                 throw new IllegalArgumentException();
  38         fLocation = other.fLocation;
  39         }
  40
  41         @Override
  42         public void setLocation(L location) {
  43                 fLocation = location;
  44         }
  45
  46         @Override
  47         public L getLocation() {
  48                 return fLocation;
  49         }
  50
  51         // ------------------------------------------------------------------------
  52     // Object
  53     // ------------------------------------------------------------------------
  54
  55         @Override
  56     public int hashCode() {
  57             if (fLocation == null)
  58                 return -1;
  59                 return fLocation.hashCode();
  60     }
  61
  62     @Override
  63     public boolean equals(Object other) {
  64         if (!(other instanceof TmfLocation<?>))
  65                 return false;
  66         TmfLocation<?> o = (TmfLocation<?>) other;
  67         if (fLocation == null)
  68             return (o.fLocation == null);
  69         return fLocation.equals(o.fLocation);
  70     }
  71
  72         @Override
  73         @SuppressWarnings("nls")
  74         public String toString() {
  75             if (fLocation == null)
  76                 return "null";
  77                 return fLocation.toString();
  78         }
  79
  80         @Override
  81         @SuppressWarnings({ "nls", "unchecked" })
  82         public TmfLocation<L> clone() {
  83                 TmfLocation<L> clone = null;
  84                 try {
  85                         clone = (TmfLocation<L>) super.clone();
  86                         if (this.fLocation != null) {
  87                             Class<?> clazz  = this.fLocation.getClass();
  88                             Method   method = clazz.getMethod("clone", new Class[0]);
  89                             Object   duplic = method.invoke(this.fLocation, new Object[0]);
  90                             clone.fLocation = (L) duplic;
  91                         }
  92                 } catch (NoSuchMethodException e) {
  93                       // exception suppressed
  94                 } catch (Exception e) {
  95                         throw new InternalError(e.toString());
  96                 }
  97                 return clone;
  98         }
  99
 100 }