Examples with XdrOutputStream org.firebirdsql.gds.impl.wire.XdrOutputStream used on opensource projects

Example 6 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Database method executeImmediate.

@Override
public final void executeImmediate(String statementText, FbTransaction transaction) throws SQLException {
    // TODO also implement op_exec_immediate2
    try {
        if (isAttached()) {
            if (transaction == null) {
                throw FbExceptionBuilder.forException(JaybirdErrorCodes.jb_executeImmediateRequiresTransactionAttached).toFlatSQLException();
            }
            checkTransactionActive(transaction);
        } else if (transaction != null) {
            throw FbExceptionBuilder.forException(JaybirdErrorCodes.jb_executeImmediateRequiresNoTransactionDetached).toFlatSQLException();
        }
        synchronized (getSynchronizationObject()) {
            try {
                final XdrOutputStream xdrOut = getXdrOut();
                xdrOut.writeInt(op_exec_immediate);
                xdrOut.writeInt(transaction != null ? transaction.getHandle() : 0);
                xdrOut.writeInt(getHandle());
                xdrOut.writeInt(getConnectionDialect());
                xdrOut.writeString(statementText, getEncoding());
                // information request items
                xdrOut.writeBuffer(null);
                xdrOut.writeInt(0);
                getXdrOut().flush();
            } catch (IOException ex) {
                throw new FbExceptionBuilder().exception(ISCConstants.isc_net_write_err).cause(ex).toSQLException();
            }
            try {
                if (!isAttached()) {
                    processAttachOrCreateResponse(readGenericResponse(null));
                }
                readGenericResponse(null);
            } catch (IOException ex) {
                throw new FbExceptionBuilder().exception(ISCConstants.isc_net_read_err).cause(ex).toSQLException();
            }
        }
    } catch (SQLException e) {
        exceptionListenerDispatcher.errorOccurred(e);
        throw e;
    }
}

Example 7 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Database method internalDetach.

@Override
protected final void internalDetach() throws SQLException {
    // TODO Move to wire operations as it is almost identical to service detach?
    synchronized (getSynchronizationObject()) {
        try {
            try {
                final XdrOutputStream xdrOut = getXdrOut();
                if (isAttached()) {
                    xdrOut.writeInt(op_detach);
                    xdrOut.writeInt(getHandle());
                }
                xdrOut.writeInt(op_disconnect);
                xdrOut.flush();
            } catch (IOException ex) {
                throw new FbExceptionBuilder().exception(ISCConstants.isc_net_write_err).cause(ex).toSQLException();
            }
            if (isAttached()) {
                try {
                    // Consume op_detach response
                    wireOperations.readResponse(null);
                } catch (IOException ex) {
                    throw new FbExceptionBuilder().exception(ISCConstants.isc_net_read_err).cause(ex).toSQLException();
                }
            }
            try {
                closeConnection();
            } catch (IOException ex) {
                throw new FbExceptionBuilder().exception(ISCConstants.isc_net_write_err).cause(ex).toSQLException();
            }
        } catch (SQLException ex) {
            try {
                closeConnection();
            } catch (Exception ex2) {
            // ignore
            }
            throw ex;
        } finally {
            setDetached();
        }
    }
}

Example 8 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10OutputBlob method putSegment.

@Override
public void putSegment(byte[] segment) throws SQLException {
    try {
        if (segment.length == 0) {
            throw new FbExceptionBuilder().exception(jb_blobPutSegmentEmpty).toSQLException();
        }
        // TODO Handle by performing multiple puts?
        if (segment.length > getMaximumSegmentSize()) {
            throw new FbExceptionBuilder().exception(jb_blobPutSegmentTooLong).toSQLException();
        }
        synchronized (getSynchronizationObject()) {
            checkDatabaseAttached();
            checkTransactionActive();
            checkBlobOpen();
            final FbWireDatabase database = getDatabase();
            try {
                final XdrOutputStream xdrOut = database.getXdrStreamAccess().getXdrOut();
                xdrOut.writeInt(op_put_segment);
                xdrOut.writeInt(getHandle());
                xdrOut.writeInt(segment.length);
                xdrOut.writeBuffer(segment);
                xdrOut.flush();
            } catch (IOException e) {
                throw new FbExceptionBuilder().exception(ISCConstants.isc_net_write_err).cause(e).toSQLException();
            }
            try {
                database.readResponse(null);
            } catch (IOException e) {
                throw new FbExceptionBuilder().exception(ISCConstants.isc_net_read_err).cause(e).toSQLException();
            }
        }
    } catch (SQLException e) {
        exceptionListenerDispatcher.errorOccurred(e);
        throw e;
    }
}

Example 9 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Statement method sendPrepare.

/**
 * Sends the statement prepare to the connection.
 *
 * @param statementText
 *         Statement
 * @throws SQLException
 * @throws IOException
 */
protected void sendPrepare(final String statementText) throws SQLException, IOException {
    final XdrOutputStream xdrOut = getXdrOut();
    xdrOut.writeInt(WireProtocolConstants.op_prepare_statement);
    xdrOut.writeInt(getTransaction().getHandle());
    xdrOut.writeInt(getHandle());
    xdrOut.writeInt(getDatabase().getConnectionDialect());
    xdrOut.writeString(statementText, getDatabase().getEncoding());
    xdrOut.writeBuffer(getStatementInfoRequestItems());
    xdrOut.writeInt(getDefaultSqlInfoSize());
}

Example 10 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Transaction method finishTransaction.

private void finishTransaction(final int commitOrRollback) throws SQLException {
    assert commitOrRollback == op_commit || commitOrRollback == op_rollback : "Unsupported operation code " + commitOrRollback;
    try {
        final XdrOutputStream xdrOut = getXdrOut();
        xdrOut.writeInt(commitOrRollback);
        xdrOut.writeInt(handle);
        xdrOut.flush();
    } catch (IOException ioex) {
        throw new FbExceptionBuilder().exception(ISCConstants.isc_net_write_err).cause(ioex).toSQLException();
    }
    try {
        getDatabase().readResponse(null);
    } catch (IOException ioex) {
        throw new FbExceptionBuilder().exception(ISCConstants.isc_net_read_err).cause(ioex).toSQLException();
    }
}