This operator can be used to publish processing results to multiple endpoints using different transport and application protocols.
Parameter
wrapper:
In Odysseus the default wrappers are GenericPush and GenericPulltransport:
The transport defines the transport protocol to use.protocol:
The protocol parameter defines the application protocol to transform the processing results.datahandler:
This parameter defines the transform of the single attributes of the processing results.options:
Transport protocol and application protocol depending options
Example
PQL
Sender Operator
output = SENDER({sink='Sink', wrapper='GenericPush', transport='TCPClient', protocol='CSV', dataHandler='Tuple', options=[['host', 'example.com'],['port', '8081'],['read', '10240'],['write', '10240']] }, input)
CQL
Sender Operator
CREATE SINK outSink (timestamp STARTTIMESTAMP, auction INTEGER, bidder INTEGER, datetime LONG, price DOUBLE) WRAPPER 'GenericPush' PROTOCOL 'CSV' TRANSPORT 'TCPClient' DATAHANDLER 'Tuple' OPTIONS ( 'host' 'example.com', 'port' '8081', 'read' '10240', 'write' '10240' ) STREAM TO sink SELECT * FROM input