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public interface GroupAssertionCall<C>
Interface GroupAssertionCall provides access to the current GroupAssertion
invocation arguments.
GroupAssertion.start(cascading.flow.FlowProcess, GroupAssertionCall)
is called. The OperationCall.setContext(Object)
and OperationCall.getContext()
methods are
inherited from OperationCall
.
GroupAssertion
,
OperationCall
Method Summary | |
---|---|
TupleEntry |
getArguments()
Returns TupleEntry of argument values. |
TupleEntry |
getGroup()
Returns the current grouping TupleEntry . |
Methods inherited from interface cascading.operation.OperationCall |
---|
getArgumentFields, getContext, setContext |
Method Detail |
---|
TupleEntry getGroup()
TupleEntry
.
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()
.
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