org.apache.uima.collection.impl.cpm.container.deployer.socket

Interface SocketTransport

All Known Implementing Classes:

OFSocketTransportImpl

public interface SocketTransport

Method Summary

Methods

Modifier and Type	Method and Description
java.net.Socket	connect(java.net.URL aURI, long aTimeout) Creates a socket connection to a given endpoint.
java.lang.String	getName() Returns transport identifier
ProcessingResourceMetaData	getProcessingResourceMetaData(java.net.Socket aSocket) Returns metadata associated with the fenced CasProcessor
CAS	process(java.net.Socket aSocket, CAS aCas) Invokes fenced CasProcessor.

Method Detail

getName

java.lang.String getName()

Returns transport identifier

Returns:

- String uniquely identifying the transport.

connect

java.net.Socket connect(java.net.URL aURI,
                      long aTimeout)
                        throws java.net.SocketException

Creates a socket connection to a given endpoint. This method blocks until all Connections are resolved or an error occurs.

Parameters:

- - aURI - URI containing service endpoint info: host&port

- - aTimeout - max time in millis to wait for response

Returns:

- Socket bound to a given endpoint

Throws:

- - SocketException - Failed to connect

java.net.SocketException

process

CAS process(java.net.Socket aSocket,
          CAS aCas)
            throws java.net.SocketTimeoutException,
                   java.net.SocketException,
                   AnalysisEngineProcessException

Invokes fenced CasProcessor.

Parameters:

- - aSocket - Socket bound to fenced CasProcessor

- - aCas - CAS to be sent to the CasProcessor for analysis

Returns:

- CAS - CAS returned from the fenced CasProcessor

Throws:

- - SocketTimeoutException - Socket timesout before receiving response from the fenced CasProcessor

- - SocketException - connection broken

java.net.SocketTimeoutException

java.net.SocketException

AnalysisEngineProcessException

getProcessingResourceMetaData

ProcessingResourceMetaData getProcessingResourceMetaData(java.net.Socket aSocket)
                                                         throws java.net.SocketException,
                                                                AnalysisEngineProcessException

Returns metadata associated with the fenced CasProcessor

Parameters:

aSocket - - socket to the fenced CasProcessor

Returns:

- metadata

Throws:

java.net.SocketException

AnalysisEngineProcessException