protected BerkeleyDBLocalDelegateTreeSubNodeMap(
BerkeleyDBPersistenceManager persistenceManager,
BerkeleyDBTransaction transaction,
DelegateTreeNode parent,
Namespace from,
Namespace to) {
try {
this.persistenceManager = persistenceManager;
this.transaction = transaction;
this.parent = parent;
this.index =
persistenceManager
.getEntityStore()
.delegateTreeSubNodeEntityParentSubindex(
new BerkeleyDBDelegateTreeNodeEntity.PrimaryKeyData(
parent.getStatementUuid(), parent.getPrefix()));
this.from = from;
this.primaryKeyFrom =
new BerkeleyDBDelegateTreeNodeEntity.PrimaryKeyData(parent.getStatementUuid(), from);
this.to = to;
this.primaryKeyTo =
new BerkeleyDBDelegateTreeNodeEntity.PrimaryKeyData(parent.getStatementUuid(), to);
} catch (DatabaseException e) {
throw persistenceManager.convertDatabaseException(e);
}
}
@Override
public boolean containsKey(Object key) {
if (key == null) return false;
if (!(key instanceof Namespace)) return false;
Namespace prefix = (Namespace) key;
if (prefix.compareTo(from) < 0) return false;
if (prefix.compareTo(to) >= 0) return false;
BerkeleyDBDelegateTreeNodeEntity.PrimaryKeyData pk =
new BerkeleyDBDelegateTreeNodeEntity.PrimaryKeyData(parent.getStatementUuid(), prefix);
return transaction.contains(index, pk);
}
@Override
public DelegateTreeSubNode get(Object key) {
if (key == null) return null;
if (!(key instanceof Namespace)) return null;
Namespace prefix = (Namespace) key;
if (prefix.compareTo(from) < 0) return null;
if (prefix.compareTo(to) >= 0) return null;
BerkeleyDBDelegateTreeNodeEntity.PrimaryKeyData pk =
new BerkeleyDBDelegateTreeNodeEntity.PrimaryKeyData(parent.getStatementUuid(), prefix);
BerkeleyDBDelegateTreeNodeEntity entity = transaction.get(index, pk);
if (entity == null) return null;
return (DelegateTreeSubNode) persistenceManager.entityToDelegateTreeNode(entity);
}