Examples with StartTransactionExtendedRequest com.unboundid.ldap.sdk.extensions.StartTransactionExtendedRequest used on opensource projects

Example 16 with StartTransactionExtendedRequest

use of com.unboundid.ldap.sdk.extensions.StartTransactionExtendedRequest in project ldapsdk by pingidentity.

the class TransactionExtendedOperationHandler method handleStartTransaction.

/**
 * Performs the appropriate processing for a start transaction extended
 * request.
 *
 * @param  handler    The in-memory request handler that received the request.
 * @param  messageID  The message ID for the associated request.
 * @param  request    The extended request that was received.
 *
 * @return  The result for the extended operation processing.
 */
@NotNull()
private static StartTransactionExtendedResult handleStartTransaction(@NotNull final InMemoryRequestHandler handler, final int messageID, @NotNull final ExtendedRequest request) {
    // If there is already an active transaction on the associated connection,
    // then make sure it gets aborted.
    final Map<String, Object> connectionState = handler.getConnectionState();
    final ObjectPair<?, ?> existingTxnInfo = (ObjectPair<?, ?>) connectionState.remove(STATE_VARIABLE_TXN_INFO);
    if (existingTxnInfo != null) {
        final ASN1OctetString txnID = (ASN1OctetString) existingTxnInfo.getFirst();
        try {
            handler.getClientConnection().sendUnsolicitedNotification(new AbortedTransactionExtendedResult(txnID, ResultCode.CONSTRAINT_VIOLATION, ERR_TXN_EXTOP_TXN_ABORTED_BY_NEW_START_TXN.get(txnID.stringValue()), null, null, null));
        } catch (final LDAPException le) {
            Debug.debugException(le);
            return new StartTransactionExtendedResult(new ExtendedResult(le));
        }
    }
    // request.
    try {
        new StartTransactionExtendedRequest(request);
    } catch (final LDAPException le) {
        Debug.debugException(le);
        return new StartTransactionExtendedResult(messageID, ResultCode.PROTOCOL_ERROR, le.getMessage(), null, null, null, null);
    }
    // Create a new object with information to use for the transaction.  It will
    // include the transaction ID and a list of LDAP messages that are part of
    // the transaction.  Store it in the connection state.
    final ASN1OctetString txnID = new ASN1OctetString(String.valueOf(TXN_ID_COUNTER.getAndIncrement()));
    final List<LDAPMessage> requestList = new ArrayList<>(10);
    final ObjectPair<ASN1OctetString, List<LDAPMessage>> txnInfo = new ObjectPair<>(txnID, requestList);
    connectionState.put(STATE_VARIABLE_TXN_INFO, txnInfo);
    // Return the response to the client.
    return new StartTransactionExtendedResult(messageID, ResultCode.SUCCESS, INFO_TXN_EXTOP_CREATED_TXN.get(txnID.stringValue()), null, null, txnID, null);
}