## cascading.operation.filter
Class Logic

    java.lang.Object
      cascading.operation.BaseOperation<Logic.Context>
          cascading.operation.filter.Logic

All Implemented Interfaces:
  DeclaresResults, Filter<Logic.Context>, Operation<Logic.Context>, Traceable, Serializable

Direct Known Subclasses:
  And, Or, Xor

    public abstract class Logic

extends BaseOperation<Logic.Context>
implements Filter<Logic.Context>

Class Logic is the base class for logical `Filter` operations.

See Also:
  `And`, `Or`, `Xor`, Serialized Form

Nested Class Summary
`class` `Logic.Context`

Field Summary
`protected Fields[]` `argumentSelectors` Field fields
`protected Filter[]` `filters` Field filters

Fields inherited from class cascading.operation.BaseOperation
`fieldDeclaration, numArgs, trace`

Fields inherited from interface cascading.operation.Operation
`ANY`

Constructor Summary
`protected` `Logic(Fields[] argumentSelectors, Filter[] filters)`
`protected` `Logic(Fields lhsArgumentSelector, Filter lhsFilter, Fields rhsArgumentSelector, Filter rhsFilter)`
`protected` `Logic(Filter... filters)`

Method Summary
`void` `cleanup(FlowProcess flowProcess, OperationCall operationCall)` Method cleanup does nothing, and may safely be overridden.
`boolean` `equals(Object object)`
`Fields[]` `getArgumentSelectors()`
`protected int` `getFieldsSize()`
`Filter[]` `getFilters()`
`int` `hashCode()`
`void` `prepare(FlowProcess flowProcess, OperationCall operationCall)` Method prepare does nothing, and may safely be overridden.
`protected void` `verify()`

Methods inherited from class cascading.operation.BaseOperation
`flush, getFieldDeclaration, getNumArgs, getTrace, isSafe, printOperationInternal, toString, toStringInternal`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Methods inherited from interface cascading.operation.Filter
`isRemove`

Methods inherited from interface cascading.operation.Operation
`flush, getFieldDeclaration, getNumArgs, isSafe`

Field Detail

### argumentSelectors

    protected final Fields[] argumentSelectors

  Field fields

### filters

    protected final Filter[] filters

  Field filters

Constructor Detail

### Logic

    @ConstructorProperties(value="filters")
    protected Logic(Filter... filters)

### Logic

    @ConstructorProperties(value={"lhsArgumentsSelector","lhsFilter","rhsArgumentSelector","rhsFilter"})
    protected Logic(Fields lhsArgumentSelector,
                                               Filter lhsFilter,
                                               Fields rhsArgumentSelector,
                                               Filter rhsFilter)

### Logic

    @ConstructorProperties(value={"argumentSelectors","filters"})
    protected Logic(Fields[] argumentSelectors,
                                               Filter[] filters)

Method Detail

### getArgumentSelectors

    public Fields[] getArgumentSelectors()

### getFilters

    public Filter[] getFilters()

### verify

    protected void verify()

### prepare

    public void prepare(FlowProcess flowProcess,
                        OperationCall operationCall)

  Description copied from class: `BaseOperation`
  Method prepare does nothing, and may safely be overridden.

  Specified by:
    `prepare` in interface `Operation<Logic.Context>`
  Overrides:
    `prepare` in class `BaseOperation<Logic.Context>`

### cleanup

    public void cleanup(FlowProcess flowProcess,
                        OperationCall operationCall)

  Description copied from class: `BaseOperation`
  Method cleanup does nothing, and may safely be overridden.

  Specified by:
    `cleanup` in interface `Operation<Logic.Context>`
  Overrides:
    `cleanup` in class `BaseOperation<Logic.Context>`

### getFieldsSize

    protected int getFieldsSize()

### equals

    public boolean equals(Object object)

  Overrides:
    `equals` in class `BaseOperation<Logic.Context>`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `BaseOperation<Logic.Context>`

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