@Override
public OperationStatus write(WriteOperation builder, List<? extends T> t) {
// TODO: need to gather operation results and return
OperationStatus status = new OperationStatus();
if (t.size() == 1) {
service.index(
getIndex(),
getType(),
mapping.get(t.get(0)),
AnnotationHelper.getDocumentId(t.get(0), getIdField()));
} else if (t.size() > 1) {
List<String> list = new ArrayList<String>();
for (T o : t) {
list.add(mapping.get(o));
// TODO: what do we do with null ids? bail with exception? Report the error with
// OperationStatus?
}
service.bulkIndex(getIndex(), getType(), list.toArray(new String[list.size()]), getIdField());
}
status.setSucceeded(true);
return status;
}
@Override
public OperationStatus write(T... t) {
// TODO: Need to gather results from index operation
OperationStatus status = new OperationStatus();
if (t.length == 1) {
service.index(
getIndex(),
getType(),
mapping.get(t[0]),
AnnotationHelper.getDocumentId(t[0], getIdField()));
} else if (t.length > 1) {
List<String> list = new ArrayList<String>();
for (T o : t) {
list.add(mapping.get(o));
// TODO: what do we do with null ids? bail with exception? Report the error with
// OperationStatus?
}
service.bulkIndex(getIndex(), getType(), list.toArray(new String[list.size()]), getIdField());
}
status.setSucceeded(true);
return status;
}
/**
* Retrieves the key/data pair with the given key. If the matching key has duplicate values, the
* first data item in the set of duplicates is returned. Retrieval of duplicates requires the use
* of {@link Cursor} operations.
*
* <p>
*
* @param txn For a transactional database, an explicit transaction may be specified to
* transaction-protect the operation, or null may be specified to perform the operation
* without transaction protection. For a non-transactional database, null must be specified.
* <p>
* @param key the secondary key used as input. It must be initialized with a non-null byte array
* by the caller.
* <p>
* @param pKey the primary key returned as output. Its byte array does not need to be initialized
* by the caller.
* <p>
* @param data the primary data returned as output. Its byte array does not need to be initialized
* by the caller.
* <p>
* @param lockMode the locking attributes; if null, default attributes are used.
* <p>
* @return {@link com.sleepycat.db.OperationStatus#NOTFOUND OperationStatus.NOTFOUND} if no
* matching key/data pair is found; {@link com.sleepycat.db.OperationStatus#KEYEMPTY
* OperationStatus.KEYEMPTY} if the database is a Queue or Recno database and the specified
* key exists, but was never explicitly created by the application or was later deleted;
* otherwise, {@link com.sleepycat.db.OperationStatus#SUCCESS OperationStatus.SUCCESS}.
* <p>
* <p>
* @throws DeadlockException if the operation was selected to resolve a deadlock.
* <p>
* @throws IllegalArgumentException if an invalid parameter was specified.
* <p>
* @throws DatabaseException if a failure occurs.
*/
public OperationStatus get(
final Transaction txn,
final DatabaseEntry key,
final DatabaseEntry pKey,
final DatabaseEntry data,
final LockMode lockMode)
throws DatabaseException {
return OperationStatus.fromInt(
db.pget(
(txn == null) ? null : txn.txn,
key,
pKey,
data,
LockMode.getFlag(lockMode) | ((data == null) ? 0 : data.getMultiFlag())));
}
/**
* Retrieves the key/data pair associated with the specific numbered record of the database.
*
* <p>The data field of the specified key must be a byte array containing a record number, as
* described in {@link com.sleepycat.db.DatabaseEntry DatabaseEntry}. This determines the record
* to be retrieved.
*
* <p>For this method to be called, the underlying database must be of type Btree, and it must
* have been configured to support record numbers.
*
* <p>If this method fails for any reason, the position of the cursor will be unchanged.
*
* @throws NullPointerException if a DatabaseEntry parameter is null or does not contain a
* required non-null byte array.
* <p>
* @throws DeadlockException if the operation was selected to resolve a deadlock.
* <p>
* @throws IllegalArgumentException if an invalid parameter was specified.
* <p>
* @throws DatabaseException if a failure occurs.
* <p>
* @param key the secondary key returned as output. Its byte array does not need to be initialized
* by the caller.
* @param pKey the primary key returned as output. Its byte array does not need to be initialized
* by the caller.
* @param data the primary data returned as output. Multiple results can be retrieved by passing
* an object that is a subclass of {@link com.sleepycat.db.MultipleEntry MultipleEntry},
* otherwise its byte array does not need to be initialized by the caller.
* @param lockMode the locking attributes; if null, default attributes are used.
* @return {@link com.sleepycat.db.OperationStatus#NOTFOUND OperationStatus.NOTFOUND} if no
* matching key/data pair is found; {@link com.sleepycat.db.OperationStatus#KEYEMPTY
* OperationStatus.KEYEMPTY} if the database is a Queue or Recno database and the specified
* key exists, but was never explicitly created by the application or was later deleted;
* otherwise, {@link com.sleepycat.db.OperationStatus#SUCCESS OperationStatus.SUCCESS}.
*/
public OperationStatus getSearchRecordNumber(
final Transaction txn,
final DatabaseEntry key,
final DatabaseEntry pKey,
final DatabaseEntry data,
final LockMode lockMode)
throws DatabaseException {
return OperationStatus.fromInt(
db.pget(
(txn == null) ? null : txn.txn,
key,
pKey,
data,
DbConstants.DB_SET_RECNO
| LockMode.getFlag(lockMode)
| ((data == null) ? 0 : data.getMultiFlag())));
}
@Override
public boolean flushBulk() {
OperationStatus status = write(bulk);
bulk.clear();
return status.succeeded();
}
/**
* Return the next LogSequenceNumber and log record.
*
* <p>The current log position is advanced to the next record in the log, and its
* LogSequenceNumber and data are returned. If the cursor has not been initialized, the first
* available log record in the log will be returned.
*
* <p>
*
* @param lsn The returned LogSequenceNumber.
* <p>
* @param data The returned log record.
* <p>
* @return The status of the operation; a return of NOTFOUND indicates the last log record has
* already been returned or the log is empty.
* <p>
* <p>
* @throws DatabaseException if a failure occurs.
*/
public OperationStatus getNext(final LogSequenceNumber lsn, final DatabaseEntry data)
throws DatabaseException {
return OperationStatus.fromInt(logc.get(lsn, data, DbConstants.DB_NEXT));
}
