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public interface FunctionCall<C>
Interface FunctionCall provides access to the current Function
invocation arguments.
Method Summary | |
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TupleEntry |
getArguments()
Returns TupleEntry of argument values. |
Fields |
getDeclaredFields()
Return the resolved Fields declared by the current Operation . |
TupleEntryCollector |
getOutputCollector()
Returns the TupleEntryCollector used to emit result values. |
Methods inherited from interface cascading.operation.OperationCall |
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getArgumentFields, getContext, setContext |
Method Detail |
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TupleEntry getArguments()
TupleEntry
of argument values.
Note that the returned TupleEntry should not be cached (stored in a Collection), nor should the underlying Tuple
instance. Where possible Cascading will re-use both TupleEntry and Tuple instances.
To get a safe copy that can be cached, use TupleEntry.getTupleCopy()
.
Fields getDeclaredFields()
Fields
declared by the current Operation
.
TupleEntryCollector getOutputCollector()
TupleEntryCollector
used to emit result values.
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