org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/resources/model/ResourceContainer.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  *   Alvaro Sanchez-Leon - Initial API and implementation
  11  *******************************************************************************/
  12 package org.eclipse.linuxtools.lttng.ui.views.resources.model;
  13
  14 import java.util.HashMap;
  15 import java.util.Iterator;
  16
  17 import org.eclipse.linuxtools.lttng.TraceDebug;
  18 import org.eclipse.linuxtools.lttng.ui.model.trange.ItemContainer;
  19 import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeEventResource;
  20 import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeEventResource.ResourceTypes;
  21
  22 /**
  23  * Common location to allocate the resources in use by the resource view
  24  *
  25  * @author alvaro
  26  *
  27  */
  28 public class ResourceContainer implements ItemContainer<TimeRangeEventResource> {
  29         // ========================================================================
  30         // Data
  31         // ========================================================================
  32         private final HashMap<ResourceKey, TimeRangeEventResource> resources = new HashMap<ResourceKey, TimeRangeEventResource>();
  33         private static Integer uniqueId = 0;
  34
  35
  36         // ========================================================================
  37         // Constructor
  38         // ========================================================================
  39         /**
  40          * Package level constructor
  41          */
  42         public ResourceContainer() { }
  43
  44
  45         /*
  46          * (non-Javadoc)
  47          *
  48          * @see
  49          * org.eclipse.linuxtools.lttng.ui.views.resources.model.ItemContainer#addItem
  50          * (org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.model.
  51          * ITmfTimeAnalysisEntry)
  52          */
  53         public void addItem(TimeRangeEventResource newItem) {
  54                 if (newItem != null) {
  55                     resources.put( new ResourceKey(newItem),newItem);
  56                 }
  57         }
  58
  59         // ========================================================================
  60         // Methods
  61         // ========================================================================
  62         /* (non-Javadoc)
  63          * @see org.eclipse.linuxtools.lttng.ui.views.resources.model.ItemContainer#getUniqueId()
  64          */
  65     public Integer getUniqueId() {
  66         return uniqueId++;
  67     }
  68
  69         /* (non-Javadoc)
  70          * @see org.eclipse.linuxtools.lttng.ui.views.resources.model.ItemContainer#readItems()
  71          */
  72         public TimeRangeEventResource[] readItems() {
  73                 return resources.values().toArray(
  74                                 new TimeRangeEventResource[resources.size()]);
  75         }
  76
  77         /* (non-Javadoc)
  78          * @see org.eclipse.linuxtools.lttng.ui.views.resources.model.ItemContainer#clearChildren()
  79          */
  80         public void clearChildren() {
  81             TimeRangeEventResource newRes = null;
  82         Iterator<ResourceKey> iterator = resources.keySet().iterator();
  83
  84         while (iterator.hasNext()) {
  85                         newRes = resources.get(iterator.next());
  86                         newRes.reset();
  87         }
  88         }
  89
  90         /* (non-Javadoc)
  91          * @see org.eclipse.linuxtools.lttng.ui.views.resources.model.ItemContainer#clearItems()
  92          */
  93         public void clearItems() {
  94                 resources.clear();
  95         }
  96
  97         /* (non-Javadoc)
  98          * @see org.eclipse.linuxtools.lttng.ui.views.resources.model.ItemContainer#removeItems(java.lang.String)
  99          */
 100         public void removeItems(String traceId) {
 101             ResourceKey newKey = null;
 102
 103             Iterator<ResourceKey> iterator = resources.keySet().iterator();
 104         while (iterator.hasNext()) {
 105             newKey = iterator.next();
 106
 107             if (resources.get(newKey).getTraceId().equals(traceId)) {
 108                 resources.remove(newKey);
 109             }
 110         }
 111         }
 112
 113
 114         /**
 115          * Search by keys (resourceId, traceId and type)
 116          * <p>
 117          *
 118          * A match is returned if the three arguments received match an entry
 119          * Otherwise null is returned
 120          *
 121          * @param searchedId
 122          *            The ressourceId we are looking for
 123          * @param searchedType
 124          *            The ressourceType we are looking for
 125          * @param searchedTraceId
 126          *            The traceId (trace name?) we are looking for
 127          *
 128          * @return TimeRangeEventResource
 129          */
 130     public TimeRangeEventResource findItem(Long searchedId, ResourceTypes searchedType, String searchedTraceId) {
 131                 // Get the EventResource associated to a key we create here
 132         TimeRangeEventResource foundResource = resources.get( new ResourceKey(searchedId, searchedTraceId, searchedType) );
 133
 134         return foundResource;
 135     }
 136 }
 137
 138 class ResourceKey {
 139
 140     private TimeRangeEventResource valueRef = null;
 141
 142     private Long       resourceId = null;
 143     private String        traceId = null;
 144     private ResourceTypes type = null;
 145
 146     @SuppressWarnings("unused")
 147     private ResourceKey() { }
 148
 149     public ResourceKey(TimeRangeEventResource newRef) {
 150         valueRef = newRef;
 151     }
 152
 153     public ResourceKey(Long newId, String newTraceId, ResourceTypes newType) {
 154         resourceId = newId;
 155         traceId = newTraceId;
 156         type = newType;
 157     }
 158
 159     @Override
 160     public boolean equals(Object obj) {
 161         boolean isSame = false;
 162
 163         if ( obj instanceof ResourceKey ) {
 164                 if ( valueRef != null )  {
 165                     if ( (  ((ResourceKey)obj).getResourceId().equals(valueRef.getResourceId()) ) &&
 166                          (  ((ResourceKey)obj).getTraceId().equals(valueRef.getTraceId()) ) &&
 167                          (  ((ResourceKey)obj).getType().equals(valueRef.getType()) ) )
 168                     {
 169                         isSame = true;
 170                     }
 171                 }
 172                 else {
 173                         if ( (  ((ResourceKey)obj).getResourceId().equals(this.resourceId)) &&
 174                          (  ((ResourceKey)obj).getTraceId().equals(this.traceId)) &&
 175                          (  ((ResourceKey)obj).getType().equals(this.type)) )
 176                     {
 177                         isSame = true;
 178                     }
 179                 }
 180         }
 181         else {
 182                 TraceDebug.debug("ERROR : The given key is not of the type ProcessKey!" + obj.getClass().toString());
 183         }
 184
 185         return isSame;
 186     }
 187
 188     // *** WARNING : Everything in there work because the check "valueRef != null" is the same for ALL getter
 189     // Do NOT change this check without checking.
 190     public Long getResourceId() {
 191         if ( valueRef != null ) {
 192             return valueRef.getResourceId();
 193         }
 194         else {
 195             return resourceId;
 196         }
 197     }
 198
 199     public String getTraceId() {
 200         if ( valueRef != null ) {
 201             return valueRef.getTraceId();
 202         }
 203         else {
 204             return traceId;
 205         }
 206     }
 207
 208     public ResourceTypes getType() {
 209         if ( valueRef != null ) {
 210             return valueRef.getType();
 211         }
 212         else {
 213             return type;
 214         }
 215     }
 216
 217     @Override
 218     public int hashCode() {
 219         return this.toString().hashCode();
 220     }
 221
 222
 223     @Override
 224     public String toString() {
 225         if ( valueRef != null ) {
 226             return (valueRef.getResourceId().toString() + ":" + valueRef.getTraceId().toString() + ":" + valueRef.getType().toString());
 227         }
 228         return (resourceId + ":" + traceId + ":" + type);
 229     }
 230 }