@Override
public byte[] getServiceInfo(
ServiceParameterBuffer serviceParameterBuffer,
ServiceRequestBuffer serviceRequestBuffer,
int maxBufferLength)
throws SQLException {
try {
final byte[] serviceParameterBufferBytes =
serviceParameterBuffer == null ? null : serviceParameterBuffer.toBytesWithType();
final byte[] serviceRequestBufferBytes =
serviceRequestBuffer == null ? null : serviceRequestBuffer.toBytes();
final ByteBuffer responseBuffer = ByteBuffer.allocateDirect(maxBufferLength);
synchronized (getSynchronizationObject()) {
clientLibrary.isc_service_query(
statusVector,
handle,
new IntByReference(0),
(short) (serviceParameterBufferBytes != null ? serviceParameterBufferBytes.length : 0),
serviceParameterBufferBytes,
(short) (serviceRequestBufferBytes != null ? serviceRequestBufferBytes.length : 0),
serviceRequestBufferBytes,
(short) maxBufferLength,
responseBuffer);
processStatusVector();
}
byte[] responseArray = new byte[maxBufferLength];
responseBuffer.get(responseArray);
return responseArray;
} catch (SQLException e) {
exceptionListenerDispatcher.errorOccurred(e);
throw e;
}
}
@Override
public void attach() throws SQLException {
try {
if (isAttached()) {
throw new SQLException("Already attached to a service");
}
final ServiceParameterBuffer spb = PARAMETER_CONVERTER.toServiceParameterBuffer(connection);
final byte[] serviceName = getEncoding().encodeToCharset(connection.getAttachUrl());
final byte[] spbArray = spb.toBytesWithType();
synchronized (getSynchronizationObject()) {
try {
clientLibrary.isc_service_attach(
statusVector,
(short) serviceName.length,
serviceName,
handle,
(short) spbArray.length,
spbArray);
processStatusVector();
} catch (SQLException ex) {
safelyDetach();
throw ex;
} catch (Exception ex) {
safelyDetach();
// TODO Replace with specific error (eg native client error)
throw new FbExceptionBuilder()
.exception(ISCConstants.isc_network_error)
.messageParameter(connection.getServerName())
.cause(ex)
.toSQLException();
}
setAttached();
afterAttachActions();
}
} catch (SQLException e) {
exceptionListenerDispatcher.errorOccurred(e);
throw e;
}
}