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
Code Block |
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theme | Eclipse |
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language | javascript |
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title | Sender Operator |
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linenumbers | true |
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output = SENDER({sink='Sink',
wrapper='GenericPush',
transport='TCPClient',
protocol='CSV',
dataHandler='Tuple',
options=[['host', 'example.com'],['port', '8081'],['read', '10240'],['write', '10240']]
}, input) |
CQL
Code Block |
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theme | Eclipse |
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language | sql |
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title | Sender Operator |
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linenumbers | true |
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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 |