org.eclipse.linuxtools.lttng/src/org/eclipse/linuxtools/lttng/event/LttngLocation.java

   1 package org.eclipse.linuxtools.lttng.event;
   2
   3 import org.eclipse.linuxtools.tmf.trace.ITmfLocation;
   4
   5
   6 public class LttngLocation implements ITmfLocation {
   7
   8         private final static Long DEFAULT_LAST_TIME = -1L;
   9         private final static Long DEFAULT_CURR_TIME =  0L;
  10
  11         private Long lastReadTime = null;
  12         private Long currentTime = null;
  13
  14
  15
  16         public LttngLocation() {
  17                 this(DEFAULT_LAST_TIME, DEFAULT_CURR_TIME);
  18         }
  19
  20 //      public LttngLocation(LttngTimestamp timestamp) {
  21 //              this(DEFAULT_LAST_TIME, timestamp.getValue());
  22 //      }
  23
  24         public LttngLocation(LttngLocation oldLocation) {
  25                 this(oldLocation.lastReadTime, oldLocation.currentTime);
  26         }
  27
  28         public LttngLocation(Long newCurrentTimestamp) {
  29                 this(DEFAULT_LAST_TIME, newCurrentTimestamp);
  30         }
  31
  32         public LttngLocation(Long newLastReadTime, Long newCurrentTimestamp) {
  33                 lastReadTime = newLastReadTime;
  34                 currentTime = newCurrentTimestamp;
  35         }
  36
  37         @Override
  38         public LttngLocation clone() {
  39
  40                 LttngLocation newLocation = null;
  41
  42                 try {
  43                         newLocation = (LttngLocation)super.clone();
  44
  45                         // *** IMPORTANT ***
  46                         // Basic type in java are immutable!
  47                         // Thus, using assignation ("=") on basic type is VALID.
  48                         newLocation.currentTime  = this.currentTime;
  49                         newLocation.lastReadTime = this.lastReadTime;
  50                 }
  51                 catch (CloneNotSupportedException e) {
  52                         System.out.println("Cloning failed with : " + e.getMessage());
  53                 }
  54
  55                 return newLocation;
  56         }
  57
  58
  59         public void resetLocation() {
  60                 resetLocation(DEFAULT_CURR_TIME);
  61         }
  62
  63         public void resetLocation(Long newCurrentTimestamp) {
  64                 lastReadTime = DEFAULT_LAST_TIME;
  65                 lastReadTime = DEFAULT_CURR_TIME;
  66         }
  67
  68
  69
  70         public Long getLastReadTime() {
  71                 return lastReadTime;
  72         }
  73
  74         public void setLastReadTime(Long newLastReadTime) {
  75                 this.lastReadTime = newLastReadTime;
  76         }
  77
  78         public Long getCurrentTime() {
  79                 return currentTime;
  80         }
  81
  82         public void setCurrentTime(Long newCurrentTime) {
  83                 this.currentTime = newCurrentTime;
  84         }
  85
  86
  87         @Override
  88         public String toString() {
  89                 return "\tLttngLocation[ Last : " + lastReadTime + "  Current : " + currentTime + " ]";
  90         }
  91
  92 }