void perform(
MultiStatus status, EngineSession session, Operand[] operands, IProgressMonitor monitor) {
SubMonitor subMonitor =
SubMonitor.convert(monitor, prePerformWork + mainPerformWork + postPerformWork);
session.recordPhaseEnter(this);
prePerform(status, session, subMonitor.newChild(prePerformWork));
if (status.matches(IStatus.ERROR | IStatus.CANCEL)) return;
session.recordPhaseStart(this);
subMonitor.setWorkRemaining(mainPerformWork + postPerformWork);
mainPerform(status, session, operands, subMonitor.newChild(mainPerformWork));
if (status.matches(IStatus.ERROR | IStatus.CANCEL)) return;
session.recordPhaseEnd(this);
subMonitor.setWorkRemaining(postPerformWork);
postPerform(status, session, subMonitor.newChild(postPerformWork));
phaseParameters.clear();
if (status.matches(IStatus.ERROR | IStatus.CANCEL)) return;
session.recordPhaseExit(this);
subMonitor.done();
}
private void mainPerform(
MultiStatus status, EngineSession session, Operand[] operands, SubMonitor subMonitor) {
IProfile profile = session.getProfile();
subMonitor.beginTask(null, operands.length);
for (int i = 0; i < operands.length; i++) {
subMonitor.setWorkRemaining(operands.length - i);
if (subMonitor.isCanceled()) throw new OperationCanceledException();
Operand operand = operands[i];
if (!isApplicable(operand)) continue;
session.recordOperandStart(operand);
List<ProvisioningAction> actions = getActions(operand);
operandParameters = new HashMap<String, Object>(phaseParameters);
operandParameters.put(PARM_OPERAND, operand);
mergeStatus(status, initializeOperand(profile, operand, operandParameters, subMonitor));
if (status.matches(IStatus.ERROR | IStatus.CANCEL)) {
operandParameters = null;
return;
}
Touchpoint operandTouchpoint = (Touchpoint) operandParameters.get(PARM_TOUCHPOINT);
if (operandTouchpoint != null) {
mergeStatus(
status,
initializeTouchpointParameters(profile, operand, operandTouchpoint, subMonitor));
if (status.matches(IStatus.ERROR | IStatus.CANCEL)) return;
operandParameters = touchpointToTouchpointOperandParameters.get(operandTouchpoint);
}
operandParameters = Collections.unmodifiableMap(operandParameters);
if (actions != null) {
for (int j = 0; j < actions.size(); j++) {
ProvisioningAction action = actions.get(j);
Map<String, Object> parameters = operandParameters;
Touchpoint touchpoint = action.getTouchpoint();
if (touchpoint != null) {
mergeStatus(
status, initializeTouchpointParameters(profile, operand, touchpoint, subMonitor));
if (status.matches(IStatus.ERROR | IStatus.CANCEL)) return;
parameters = touchpointToTouchpointOperandParameters.get(touchpoint);
}
IStatus actionStatus = null;
try {
session.recordActionExecute(action, parameters);
actionStatus = action.execute(parameters);
} catch (RuntimeException e) {
if (!forced) throw e;
// "action.execute" calls user code and might throw an unchecked exception
// we catch the error here to gather information on where the problem occurred.
actionStatus =
new Status(
IStatus.ERROR,
EngineActivator.ID,
NLS.bind(Messages.forced_action_execute_error, action.getClass().getName()),
e);
} catch (LinkageError e) {
if (!forced) throw e;
// Catch linkage errors as these are generally recoverable but let other Errors
// propagate (see bug 222001)
actionStatus =
new Status(
IStatus.ERROR,
EngineActivator.ID,
NLS.bind(Messages.forced_action_execute_error, action.getClass().getName()),
e);
}
if (forced && actionStatus != null && actionStatus.matches(IStatus.ERROR)) {
MultiStatus result =
new MultiStatus(EngineActivator.ID, IStatus.ERROR, getProblemMessage(), null);
result.add(
new Status(
IStatus.ERROR,
EngineActivator.ID,
session.getContextString(this, operand, action),
null));
LogHelper.log(result);
actionStatus = Status.OK_STATUS;
}
mergeStatus(status, actionStatus);
if (status.matches(IStatus.ERROR | IStatus.CANCEL)) return;
}
}
mergeStatus(
status, touchpointCompleteOperand(profile, operand, operandParameters, subMonitor));
mergeStatus(status, completeOperand(profile, operand, operandParameters, subMonitor));
if (status.matches(IStatus.ERROR | IStatus.CANCEL)) return;
operandParameters = null;
session.recordOperandEnd(operand);
subMonitor.worked(1);
}
}