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);
}
@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);
}
}
