@Override
public boolean delete(final ObjectId id) {
final byte[] rawKey = id.getRawValue();
final DatabaseEntry key = new DatabaseEntry(rawKey);
final OperationStatus status = objectDb.delete(txn.getTransaction(), key);
return SUCCESS.equals(status);
}
/** @see org.geogit.storage.ObjectDatabase#exists(org.geogit.api.ObjectId) */
@Override
public boolean exists(final ObjectId id) {
Preconditions.checkNotNull(id, "id");
DatabaseEntry key = new DatabaseEntry(id.getRawValue());
DatabaseEntry data = new DatabaseEntry();
// tell db not to retrieve data
data.setPartial(0, 0, true);
final LockMode lockMode = LockMode.DEFAULT;
CurrentTransaction.getInstance(env);
OperationStatus status = objectDb.get(txn.getTransaction(), key, data, lockMode);
return SUCCESS == status;
}
/** @see org.geogit.storage.ObjectDatabase#getRaw(org.geogit.api.ObjectId) */
@Override
protected InputStream getRawInternal(final ObjectId id) throws IOException {
Preconditions.checkNotNull(id, "id");
DatabaseEntry key = new DatabaseEntry(id.getRawValue());
DatabaseEntry data = new DatabaseEntry();
final LockMode lockMode = LockMode.READ_COMMITTED;
Transaction transaction = txn.getTransaction();
OperationStatus operationStatus = objectDb.get(transaction, key, data, lockMode);
if (NOTFOUND.equals(operationStatus)) {
throw new IllegalArgumentException("Object does not exist: " + id.toString());
}
final byte[] cData = data.getData();
return new ByteArrayInputStream(cData);
}
/** @see org.geogit.storage.ObjectDatabase#put(org.geogit.storage.ObjectWriter) */
@Override
protected boolean putInternal(final ObjectId id, final byte[] rawData, final boolean override)
throws IOException {
final byte[] rawKey = id.getRawValue();
DatabaseEntry key = new DatabaseEntry(rawKey);
DatabaseEntry data = new DatabaseEntry(rawData);
OperationStatus status;
if (override) {
status = objectDb.put(txn.getTransaction(), key, data);
} else {
status = objectDb.putNoOverwrite(txn.getTransaction(), key, data);
}
final boolean didntExist = SUCCESS.equals(status);
if (LOGGER.isLoggable(Level.FINER)) {
if (didntExist) {
LOGGER.finer("Key already exists in blob store, blob reused for id: " + id);
}
}
return didntExist;
}