cascading.operation.filter
Class FilterNull
java.lang.Object
cascading.operation.BaseOperation
cascading.operation.filter.FilterNull
- All Implemented Interfaces:
- Filter, Operation, Serializable
public class FilterNull
- extends BaseOperation
- implements Filter
Class FilterNull verifies that every value in the argument values Tuple
is not a null value. If a null value is encountered, the current Tuple will be filtered out.
- See Also:
FilterNotNull
,
Serialized Form
Fields inherited from interface cascading.operation.Operation |
ANY |
Method Summary |
boolean |
isRemove(FlowProcess flowProcess,
FilterCall filterCall)
Method isRemove returns true if input should be removed from the tuple stream. |
Methods inherited from class cascading.operation.BaseOperation |
cleanup, equals, flush, getFieldDeclaration, getNumArgs, getTrace, hashCode, isSafe, prepare, printOperationInternal, toString, toStringInternal |
FilterNull
public FilterNull()
isRemove
public boolean isRemove(FlowProcess flowProcess,
FilterCall filterCall)
- Description copied from interface:
Filter
- Method isRemove returns true if input should be removed from the tuple stream.
- Specified by:
isRemove
in interface Filter
- Parameters:
flowProcess
- of type FlowProcessfilterCall
- of type FilterCall
- Returns:
- boolean
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