org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/resources/evProcessor/ResourcesFinishUpdateHandler.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 (alvsan09@gmail.com) - Initial API and implementation
  11  *******************************************************************************/
  12 package org.eclipse.linuxtools.lttng.ui.views.resources.evProcessor;
  13
  14 import org.eclipse.linuxtools.lttng.event.LttngEvent;
  15 import org.eclipse.linuxtools.lttng.state.StateStrings.Events;
  16 import org.eclipse.linuxtools.lttng.state.evProcessor.ILttngEventProcessor;
  17 import org.eclipse.linuxtools.lttng.state.model.LttngTraceState;
  18 import org.eclipse.linuxtools.lttng.ui.TraceDebug;
  19 import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeEventResource;
  20
  21 /**
  22  * Creates specific finish state data request
  23  *
  24  * @author alvaro
  25  *
  26  */
  27 public class ResourcesFinishUpdateHandler extends
  28  AbsResourcesTRangeUpdate
  29                 implements ILttngEventProcessor {
  30
  31         public Events getEventHandleType() {
  32                 // No specific event
  33                 return null;
  34         }
  35
  36         @Override
  37         public boolean process(LttngEvent trcEvent, LttngTraceState traceSt) {
  38                 // The end of the last state is unknown since it's beyond the requested time range window. Create this last
  39                 // event to half page after the visible window but not beyond the end of trace
  40                 long endOfTrace = traceSt.getContext().getTraceTimeWindow().getEndTime().getValue();
  41                 long halfWindow = (params.getEndTime() - params.getStartTime()) / 2;
  42
  43                 // End of event common to all resources within the trace for this specific request
  44                 long endOfEvent = params.getEndTime() + halfWindow;
  45                 if (endOfEvent > endOfTrace) {
  46                         endOfEvent = endOfTrace;
  47                 }
  48
  49                 TraceDebug.debug("Number of localResources: "
  50                                 + resContainer.readItems().length);
  51
  52                 // for each existing resource
  53                 for (TimeRangeEventResource localResource : resContainer
  54                                 .readItems()) {
  55
  56                         // get the start time
  57                         long stime = localResource.getNext_good_time();
  58
  59                         // Get the resource state mode
  60                         String stateMode = localResource.getStateMode(traceSt);
  61
  62                         // Insert an instance from previous time to end request time with
  63                         // the current state
  64                         makeDraw(traceSt, stime, endOfEvent, localResource, params, stateMode);
  65                 }
  66
  67                 return false;
  68         }
  69
  70 }