# Package cascading.operation.filter

- Class Summary
  Class | Description
  --- | ---
  And | Class And is a `Filter` class that will logically 'and' the results of the constructor provided Filter instances.
  FilterNotNull | Class FilterNotNull verifies that every value in the argument values `Tuple` is a null value.
  FilterNull | Class FilterNull verifies that every value in the argument values `Tuple` is not a null value.
  Limit | Class Limit is a `Filter` that will limit the number of `Tuple` instances that it will allow to pass.
  Limit.Context |
  Logic | Class Logic is the base class for logical `Filter` operations.
  Not | Class Not is a `Filter` class that will logically 'not' (negation) the results of the constructor provided Filter instance.
  Or | Class Or is a `Filter` class that will logically 'or' the results of the constructor provided Filter instances.
  Sample | Class Sample is a `Filter` that only allows the given fraction of `Tuple` instances to pass.
  Xor | Class Xor is a `Filter` class that will logically 'xor' (exclusive or) the results of the constructor provided Filter instances.

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