org.eclipse.linuxtools.tmf/src/org/eclipse/linuxtools/tmf/request/TmfCoalescedEventRequest.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.request;
  14
  15 import org.eclipse.linuxtools.tmf.event.TmfEvent;
  16 import org.eclipse.linuxtools.tmf.event.TmfTimeRange;
  17
  18 /**
  19  * <b><u>TmfCoalescedEventRequest</u></b>
  20  * <p>
  21  * TODO: Implement me. Please.
  22  */
  23 public class TmfCoalescedEventRequest<T extends TmfEvent> extends TmfCoalescedDataRequest<T> implements ITmfEventRequest<T> {
  24
  25     // ------------------------------------------------------------------------
  26     // Attributes
  27     // ------------------------------------------------------------------------
  28
  29         private final TmfTimeRange fRange;      // The requested events time range
  30
  31     // ------------------------------------------------------------------------
  32     // Constructor
  33     // ------------------------------------------------------------------------
  34
  35     /**
  36      * @param range
  37      */
  38     public TmfCoalescedEventRequest(Class<T> dataType) {
  39         this(dataType, TmfTimeRange.Eternity, ALL_DATA, DEFAULT_BLOCK_SIZE);
  40     }
  41
  42     /**
  43      * @param range
  44      */
  45     public TmfCoalescedEventRequest(Class<T> dataType, TmfTimeRange range) {
  46         this(dataType, range, ALL_DATA, DEFAULT_BLOCK_SIZE);
  47     }
  48
  49     /**
  50      * @param range
  51      * @param nbRequested
  52      */
  53     public TmfCoalescedEventRequest(Class<T> dataType, TmfTimeRange range, int nbRequested) {
  54         this(dataType, range, nbRequested, DEFAULT_BLOCK_SIZE);
  55     }
  56
  57     /**
  58      * @param range
  59      * @param nbRequested
  60      * @param blockSize Size of the largest blocks expected
  61      */
  62     public TmfCoalescedEventRequest(Class<T> dataType, TmfTimeRange range, int nbRequested, int blockSize) {
  63         super(dataType, 0, nbRequested, blockSize);
  64         fRange = range;
  65     }
  66
  67     // ------------------------------------------------------------------------
  68     // Management
  69     // ------------------------------------------------------------------------
  70
  71         @Override
  72         public boolean isCompatible(ITmfDataRequest<T> request) {
  73                 if (request instanceof ITmfEventRequest<?>) {
  74                         boolean ok = getNbRequested() == request.getNbRequested();
  75                         ok &= getBlockize() == request.getBlockize();
  76                         ok &= fRange.equals(((ITmfEventRequest<T>) request).getRange());
  77                         return ok;
  78                 }
  79                 return false;
  80         }
  81
  82     // ------------------------------------------------------------------------
  83     // ITmfEventRequest
  84     // ------------------------------------------------------------------------
  85
  86         public TmfTimeRange getRange() {
  87                 return fRange;
  88         }
  89
  90     // ------------------------------------------------------------------------
  91     // Object
  92     // ------------------------------------------------------------------------
  93
  94     @Override
  95     // All requests have a unique id
  96     public int hashCode() {
  97         return super.hashCode();
  98     }
  99
 100     @Override
 101     public boolean equals(Object other) {
 102         if (other instanceof TmfCoalescedEventRequest<?>) {
 103                 TmfCoalescedEventRequest<?> request = (TmfCoalescedEventRequest<?>) other;
 104                 return  (request.getDataType()    == getDataType()) &&
 105                                 (request.getIndex()       == getIndex())    &&
 106                                 (request.getNbRequested() == getNbRequested()) &&
 107                         (request.getRange().equals(getRange()));
 108         }
 109         if (other instanceof TmfCoalescedDataRequest<?>) {
 110                 return super.equals(other);
 111         }
 112                 return false;
 113     }
 114
 115     @Override
 116     public String toString() {
 117                 return "[TmfCoalescedEventRequest(" + getRequestId() + "," + getDataType().getSimpleName()
 118                         + "," + getRange() + "," + getNbRequested() + "," + getBlockize() + ")]";
 119     }
 120
 121 }