@Override
public <Col extends Column, N extends Number> boolean traverseI(
ColumnHome<N, Col> columnHome, AdjEnumModel<Col> iterationModel, T token, InterNode node)
throws IOException {
if (intersectionSet.isSubSetOf(node.unionPattern())) {
return super.traverseI(columnHome, iterationModel, token, node);
}
return true;
}
public <Col extends Column, N extends Number> boolean traverseL(
ColumnHome<N, Col> columnHome, AdjEnumModel<Col> iterationModel, T token, LeafNode node)
throws IOException {
if (intersectionSet.isSubSetOf(node.unionPattern())) {
final int start = node.getLeafColumnStart();
final int end = node.getLeafColumnEnd();
final SortableMemory<Col> mem = iterationModel.getMemory(memoryPartId);
for (int i = start; i < end; i++) {
if (i != ignoreColumn) {
final IBitSet superCandidate = mem.getColumn(i).bitValues();
if (intersectionSet.isSubSetOf(superCandidate)) {
superSetFound = true;
return false;
}
}
}
}
return true;
}
@Override
public IBitSet filterAdjacentPairs(
IBitSet filterCutPattern, SortableMemory<Column> cols, AdjCandidates<Column> adjCandidates)
throws IOException {
for (int i = 0; i < children.length && filterCutPattern != null; i++) {
final Node<T> child = children[i];
if (child != null && filterCutPattern.isSubSetOf(child.unionPattern)) {
filterCutPattern = child.filterAdjacentPairs(filterCutPattern, cols, adjCandidates);
}
}
return filterCutPattern;
}