@Override
public Collection<Integer> getAllTableIDs() {
List<Integer> branchIDs = new ArrayList<>(tablesByDepth.size());
for (Table table = leafMostTable(); table != null; table = table.getParentTable()) {
branchIDs.add(table.getTableId());
}
return branchIDs;
}
@Override
public void computeFieldAssociations(Map<Table, Integer> ordinalMap) {
List<Table> branchTables = new ArrayList<>();
for (Table table = leafMostTable(); table != null; table = table.getParentTable()) {
branchTables.add(table);
}
Collections.reverse(branchTables);
Map<Table, Integer> offsetsMap = new HashMap<>();
int offset = 0;
columnsPerFlattenedField = new ArrayList<>();
for (Table table : branchTables) {
offsetsMap.put(table, offset);
offset += table.getColumnsIncludingInternal().size();
columnsPerFlattenedField.addAll(table.getColumnsIncludingInternal());
}
computeFieldAssociations(ordinalMap, offsetsMap);
// Complete computation of inIndex bitsets
for (ParticipatingTable participatingTable : tablesByDepth.values()) {
participatingTable.close();
}
}
private void computeHKeyDerivations(Map<Table, Integer> ordinalMap) {
indexToHKeys = new IndexToHKey[leafMostTable().getDepth() + 1];
Table table = leafMostTable();
while (table != null) {
int tableDepth = table.getDepth();
assert tableDepth <= leafMostTable().getDepth() : table;
AssociationBuilder hKeyBuilder = new AssociationBuilder();
HKey hKey = table.hKey();
for (HKeySegment hKeySegment : hKey.segments()) {
hKeyBuilder.toHKeyEntry(ordinalMap.get(hKeySegment.table()), -1);
for (HKeyColumn hKeyColumn : hKeySegment.columns()) {
int indexColumnPosition = positionOf(hKeyColumn.column());
if (indexColumnPosition == -1) {
indexColumnPosition = substituteHKeyColumnPosition(hKeyColumn);
}
hKeyBuilder.toHKeyEntry(-1, indexColumnPosition);
}
}
indexToHKeys[tableDepth] = hKeyBuilder.createIndexToHKey();
table = table.getParentTable();
}
}