ss: Move plugins to Trace Compass namespace

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / widgets / timegraph / model / TimeEvent.java

diff --git a/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/model/TimeEvent.java b/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/model/TimeEvent.java
index 34988a6df5e7aa6256dab0b0faab95ecb52b4262..7dc8ba571d774c4d0365d589e260d59bfc29b41e 100644 (file)
--- a/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/model/TimeEvent.java
+++ b/org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/model/TimeEvent.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2012 Ericsson
+ * Copyright (c) 2012, 2013 Ericsson
  *
  * All rights reserved. This program and the accompanying materials are
  * made available under the terms of the Eclipse Public License v1.0 which
@@ -8,21 +8,37 @@
  *
  * Contributors:
  *   Patrick Tasse - Initial API and implementation
+ *   Geneviève Bastien - Added the fValue parameter to avoid subclassing
  *******************************************************************************/
 
 package org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model;
 
+import org.eclipse.linuxtools.tmf.core.util.Pair;
+
 /**
  * Generic TimeEvent implementation
  *
  * @version 1.0
  * @author Patrick Tasse
  */
-public class TimeEvent implements ITimeEvent {
+public class TimeEvent implements ITimeEvent2 {
+
+    /** TimeGraphEntry matching this time event */
     protected ITimeGraphEntry fEntry;
+
+    /** Beginning timestamp of this time event */
     protected long fTime;
+
+    /** Duration of this time event */
     protected long fDuration;
 
+    private final int fValue;
+
+    /**
+     * Default value when no other value present
+     */
+    private static final int NOVALUE = Integer.MIN_VALUE;
+
     /**
      * Standard constructor
      *
@@ -34,9 +50,49 @@ public class TimeEvent implements ITimeEvent {
      *            The duration of the event
      */
     public TimeEvent(ITimeGraphEntry entry, long time, long duration) {
+        this(entry, time, duration, NOVALUE);
+
+    }
+
+    /**
+     * Constructor
+     *
+     * @param entry
+     *            The entry to which this time event is assigned
+     * @param time
+     *            The timestamp of this event
+     * @param duration
+     *            The duration of this event
+     * @param value
+     *            The status assigned to the event
+     * @since 2.1
+     */
+    public TimeEvent(ITimeGraphEntry entry, long time, long duration,
+            int value) {
         fEntry = entry;
         fTime = time;
         fDuration = duration;
+        fValue = value;
+    }
+
+    /**
+     * Get this event's status
+     *
+     * @return The integer matching this status
+     * @since 2.1
+     */
+    public int getValue() {
+        return fValue;
+    }
+
+    /**
+     * Return whether an event has a value
+     *
+     * @return true if the event has a value
+     * @since 2.1
+     */
+    public boolean hasValue() {
+        return (fValue != NOVALUE);
     }
 
     @Override
@@ -53,4 +109,30 @@ public class TimeEvent implements ITimeEvent {
     public long getDuration() {
         return fDuration;
     }
+
+    /**
+     * Split an event in two at the specified time. If the time is smaller or
+     * equal to the event's start, the first split event is null. If the time is
+     * greater or equal to the event's end, the second split event is null.
+     * <p>
+     * Subclasses should re-implement this method
+     *
+     * @since 2.1
+     */
+    @Override
+    public Pair<ITimeEvent, ITimeEvent> split(long time) {
+        Pair<ITimeEvent, ITimeEvent> pair = new Pair<>();
+        if (time > fTime) {
+            pair.setFirst(new TimeEvent(fEntry, fTime, Math.min(fDuration, time - fTime), fValue));
+        }
+        if (time < fTime + fDuration) {
+            pair.setSecond(new TimeEvent(fEntry, Math.max(fTime, time), fDuration - Math.max(0, time - fTime), fValue));
+        }
+        return pair;
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + " start=" + fTime + " end=" + (fTime + fDuration) + " duration=" + fDuration + (hasValue() ? (" value=" + fValue) : ""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
+    }
 }