getFreeQueueSize() method

Format

int getFreeQueueSize()

Explanation

Acquires the amount of free space in the output stream queue.

The free space in the output stream queue is determined by subtracting the space being used from the value specified in the engine.maxQueueSize parameter of system_config.properties.

Parameters

None.

Exceptions

The following table shows the exceptions and the conditions for their generation.

ExceptionGeneration condition
SDPClientCommunicationExceptionA communication exception occurred during RMI connection.
SDPClientExceptionThe output stream is already closed.
SDPClientQueryGroupHoldExceptionThe query group is held. (Detailed exception of SDPClientQueryGroupStateException)
SDPClientQueryGroupNotExistExceptionThe query group was deleted.
SDPClientQueryGroupStateExceptionThe query group is not being executed.

Return value

Amount of free space in the output stream queue (int)