private CompositeIterator4 NewIterator()
{
Collection4 iterators = new Collection4();
iterators.Add(IntArrays4.NewIterator(new int[] { 1, 2, 3 }));
iterators.Add(IntArrays4.NewIterator(new int[] { }));
iterators.Add(IntArrays4.NewIterator(new int[] { 4 }));
iterators.Add(IntArrays4.NewIterator(new int[] { 5, 6 }));
CompositeIterator4 iterator = new CompositeIterator4(iterators.GetEnumerator());
return iterator;
}
public ClusterQueryResultIntIterator(IEnumerator[] iterators)
{
_delegate = new CompositeIterator4(iterators);
}
private void AssertIterator(CompositeIterator4 iterator)
{
Iterator4Assert.AreEqual(IntArrays4.NewIterator(new int[] { 1, 2, 3, 4, 5, 6 }),
iterator);
}
private IEnumerator CheckDuplicates(CompositeIterator4 executeAllCandidates)
{
return Iterators.Filter(executeAllCandidates, new _IPredicate4_573());
}
public virtual IEnumerator ExecuteSnapshot()
{
var r = CreateCandidateCollection();
var executionPath = ExecutionPath(r);
IEnumerator candidatesIterator = new Iterator4Impl(r.candidateCollection);
var snapshots = new Collection4();
while (candidatesIterator.MoveNext())
{
var candidates = (QCandidates) candidatesIterator.Current;
snapshots.Add(candidates.ExecuteSnapshot(executionPath));
}
var snapshotsIterator = snapshots.GetEnumerator();
var resultingIDs = new CompositeIterator4(snapshotsIterator);
if (!r.checkDuplicates)
{
return resultingIDs;
}
return CheckDuplicates(resultingIDs);
}
public virtual IEnumerator ExecuteLazy()
{
CheckConstraintsEvaluationMode();
var r = CreateCandidateCollection();
var executionPath = ExecutionPath(r);
IEnumerator candidateCollection = new Iterator4Impl(r.candidateCollection);
MappingIterator executeCandidates = new _MappingIterator_438(executionPath, candidateCollection
);
var resultingIDs = new CompositeIterator4(executeCandidates);
if (!r.checkDuplicates)
{
return resultingIDs;
}
return CheckDuplicates(resultingIDs);
}
