Oracle Coherence for C++ API
Release 3.6.1.0
E18813-01

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# NullFilter Class Reference

`#include <coherence/util/NullFilter.hpp>`

Inherits Object, Filter, and PortableObject.

List of all members.

## Detailed Description

Filter which discards null references.

Author:
  gm 2008.07.28

## Public Types
typedef spec::Handle | Handle
| NullFilter Handle definition.
typedef spec::View | View
| NullFilter View definition.
typedef spec::Holder | Holder
| NullFilter Holder definition.
## Public Member Functions
virtual bool | evaluate (Object::View v) const
  | Apply the test to the object. Parameters:
  | v | the object to test
Returns: true if the test passes, false otherwise
virtual void | readExternal (PofReader::Handle hIn)
virtual void | writeExternal (PofWriter::Handle hOut) const
## Protected Member Functions
| NullFilter ()
| Default constructor (for PortableObject).
| NullFilter (const NullFilter &that)
| Copy constructor.

The documentation for this class was generated from the following file:

- coherence/util/NullFilter.hpp

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