Ejemplo n.º 1
0
 protected void setSubstitutePaths(
     ISourceLookupDMContext sourceLookupCtx, Map<String, String> entries, RequestMonitor rm) {
   fCachedEntries = entries;
   CountingRequestMonitor countingRm =
       new CountingRequestMonitor(getExecutor(), rm) {
         @Override
         protected void handleFailure() {
           /*
            * We failed to apply the changes. Clear the cache as it does
            * not represent the state of the backend. However we don't have
            * a good recovery here, so on future sourceContainersChanged()
            * calls we will simply reissue the substitutions.
            */
           fCachedEntries = null;
           rm.done();
         }
       };
   countingRm.setDoneCount(entries.size());
   for (Map.Entry<String, String> entry : entries.entrySet()) {
     fCommand.queueCommand(
         fCommandFactory.createMISetSubstitutePath(
             sourceLookupCtx, entry.getKey(), entry.getValue()),
         new DataRequestMonitor<MIInfo>(getExecutor(), countingRm));
   }
 }
  /**
   * Performs the actual count retrieval and calculation.
   *
   * @param rm Request monitor to complete with data.
   */
  private void doGetCount(final DataRequestMonitor<Integer> rm) {
    // Array to store counts retrieved asynchronously
    final int[] counts = new int[fDataGenerators.length];

    // Counting request monitor is called once all data is retrieved.
    final CountingRequestMonitor crm =
        new CountingRequestMonitor(fExecutor, rm) {
          @Override
          protected void handleSuccess() {
            // Pick the highest count value.
            Arrays.sort(counts, 0, counts.length - 1);
            int maxCount = counts[counts.length - 1];
            rm.setData(maxCount);
            rm.done();
          };
        };

    // Each call to data generator fills in one value in array.
    for (int i = 0; i < fDataGenerators.length; i++) {
      final int finalI = i;
      fDataGenerators[i].getCount(
          new DataRequestMonitor<Integer>(ImmediateExecutor.getInstance(), crm) {
            @Override
            protected void handleSuccess() {
              counts[finalI] = getData();
              crm.done();
            }
          });
    }
    crm.setDoneCount(fDataGenerators.length);
  }
  /**
   * Performs the actual value retrieval and calculation.
   *
   * @param rm Request monitor to complete with data.
   */
  private void doGetValue(int index, final DataRequestMonitor<Integer> rm) {
    // Array to store counts retrieved asynchronously
    final int[] values = new int[fDataGenerators.length];

    // Counting request monitor is called once all data is retrieved.
    final CountingRequestMonitor crm =
        new CountingRequestMonitor(fExecutor, rm) {
          @Override
          protected void handleSuccess() {
            // Sum up values in array.
            int sum = 0;
            for (int value : values) {
              sum += value;
            }
            rm.setData(sum);
            rm.done();
          };
        };

    // Each call to data generator fills in one value in array.
    for (int i = 0; i < fDataGenerators.length; i++) {
      final int finalI = i;
      fDataGenerators[i].getValue(
          index,
          new DataRequestMonitor<Integer>(ImmediateExecutor.getInstance(), crm) {
            @Override
            protected void handleSuccess() {
              values[finalI] = getData();
              crm.done();
            }
          });
    }
    crm.setDoneCount(fDataGenerators.length);
  }
Ejemplo n.º 4
0
  @Override
  public void sourceContainersChanged(
      final ISourceLookupDMContext sourceLookupCtx, final DataRequestMonitor<Boolean> rm) {
    if (!fDirectors.containsKey(sourceLookupCtx)) {
      rm.setStatus(
          new Status(
              IStatus.ERROR,
              GdbPlugin.PLUGIN_ID,
              IDsfStatusConstants.INVALID_HANDLE,
              "No source director configured for given context",
              null)); //$NON-NLS-1$ );
      rm.done();
      return;
    }

    Map<String, String> entries = getSubstitutionsPaths(sourceLookupCtx);
    if (entries.equals(fCachedEntries)) {
      rm.done(false);
    } else {
      /*
       * Issue the clear and set commands back to back so that the
       * executor thread atomically changes the source lookup settings.
       * Any commands to GDB issued after this call will get the new
       * source substitute settings.
       */
      CountingRequestMonitor countingRm =
          new CountingRequestMonitor(getExecutor(), rm) {
            @Override
            protected void handleSuccess() {
              rm.done(true);
            }
          };
      fCommand.queueCommand(
          fCommandFactory.createCLIUnsetSubstitutePath(sourceLookupCtx),
          new DataRequestMonitor<MIInfo>(getExecutor(), countingRm));
      initializeSourceSubstitutions(sourceLookupCtx, new RequestMonitor(getExecutor(), countingRm));
      countingRm.setDoneCount(2);
    }
  }