cascading.operation.filter
Class Or

java.lang.Object
  cascading.operation.BaseOperation
      cascading.operation.filter.Logic
          cascading.operation.filter.Or

All Implemented Interfaces:

Filter, Operation, Serializable

public class Or
extends Logic

Class Or is a Filter class that will logically 'or' the results of the constructor provided Filter instances.

Logically, if Filter.isRemove(cascading.flow.FlowProcess,cascading.operation.FilterCall) returns true for any of the given instances, this filter will return true.

See Also:

And, Xor, Not, Serialized Form

Field Summary

Fields inherited from class cascading.operation.filter.Logic

argumentSelectors, filters

Fields inherited from class cascading.operation.BaseOperation

fieldDeclaration, numArgs, trace

Fields inherited from interface cascading.operation.Operation

ANY

Constructor Summary

Or(Fields[] argumentSelectors, Filter[] filters)
Constructor Or creates a new Or instance.

Or(Fields lhsArgumentSelector, Filter lhsFilter, Fields rhsArgumentSelector, Filter rhsFilter)
Constructor Or creates a new Or instance.

Or(Filter... filters)
Constructor Or creates a new Or instance where all Filter instances receive all arguments.

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.filter.Logic

cleanup, getArgumentEntries, getFieldsSize, prepare, verify

Methods inherited from class cascading.operation.BaseOperation

getFieldDeclaration, getNumArgs, getTrace, printOperationInternal, toString, toStringInternal

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface cascading.operation.Operation

getFieldDeclaration, getNumArgs

Constructor Detail

Or

public Or(Filter... filters)

Constructor Or creates a new Or instance where all Filter instances receive all arguments.

Parameters:

filters - of type Filter...

Or

public Or(Fields lhsArgumentSelector,
          Filter lhsFilter,
          Fields rhsArgumentSelector,
          Filter rhsFilter)

Constructor Or creates a new Or instance.

Parameters:

lhsArgumentSelector - of type Fields

lhsFilter - of type Filter

rhsArgumentSelector - of type Fields

rhsFilter - of type Filter

Or

public Or(Fields[] argumentSelectors,
          Filter[] filters)

Constructor Or creates a new Or instance.

Parameters:

argumentSelectors - of type Fields[]

filters - of type Filter[]

Method Detail

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.

Parameters:

flowProcess - of type FlowProcess

filterCall - of type FilterCall

Returns:

boolean

See Also:

Filter.isRemove(cascading.flow.FlowProcess,cascading.operation.FilterCall)