/**
* {@inheritDoc}
*
* <p>The composite change sends <code>isValid</code> to all its children until the first one
* returns a status with a severity of <code>FATAL
* </code>. If one of the children throws an exception the remaining children will not receive the
* <code>isValid</code> call.
*
* <p>Client are allowed to extend this method.
*/
public RefactoringStatus isValid(IProgressMonitor pm) throws CoreException {
RefactoringStatus result = new RefactoringStatus();
pm.beginTask("", fChanges.size()); // $NON-NLS-1$
for (Iterator iter = fChanges.iterator(); iter.hasNext() && !result.hasFatalError(); ) {
Change change = (Change) iter.next();
if (change.isEnabled()) result.merge(change.isValid(new SubProgressMonitor(pm, 1)));
else pm.worked(1);
if (pm.isCanceled()) throw new OperationCanceledException();
}
pm.done();
return result;
}
public void setChanges(@NotNull ArrayList<Change> changes) {
if (myChanges != null) {
HashSet<Change> newChanges = new HashSet<>(changes);
LOG.assertTrue(newChanges.size() == changes.size());
for (Iterator<Change> iterator = myChanges.iterator(); iterator.hasNext(); ) {
Change oldChange = iterator.next();
if (!newChanges.contains(oldChange)) {
iterator.remove();
oldChange.onRemovedFromList();
}
}
}
for (Change change : changes) {
LOG.assertTrue(change.isValid());
}
myChanges = new ArrayList<>(changes);
myAppliedChanges = new ArrayList<>();
}