org.jnetstream.filter
Class Filter.NOT<T extends FilterTarget>

java.lang.Object
  org.jnetstream.filter.Filter.NOT<T>

All Implemented Interfaces:

Filter<T>

Enclosing interface:

Filter<T extends FilterTarget>

public static final class Filter.NOT<T extends FilterTarget>
extends java.lang.Object
implements Filter<T>

Inverts the values returned by a source filter.

Author:

Mark Bednarczyk, Sly Technologies, Inc.

Nested Class Summary

Nested classes/interfaces inherited from interface org.jnetstream.filter.Filter

Filter.AND<T extends FilterTarget>, Filter.MAXIMUM<T extends FilterTarget>, Filter.MINIMUM<T extends FilterTarget>, Filter.NOT<T extends FilterTarget>, Filter.OR<T extends FilterTarget>

Field Summary

Fields inherited from interface org.jnetstream.filter.Filter

TRUE

Constructor Summary

Filter.NOT(Filter<T> filter)

Method Summary

boolean	accept(java.nio.ByteBuffer buffer, T target) Value of the source filter is inverted.
long	execute(java.nio.ByteBuffer buffer, T target) The execute method will invert the returned length to either Long.MAX_VALUE or 0.

Methods inherited from class java.lang.Object

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

Constructor Detail

Filter.NOT

public Filter.NOT(Filter<T> filter)

Parameters:

filter - source filter who's values will be NOTed

Method Detail

accept

public boolean accept(java.nio.ByteBuffer buffer,
                      T target)
               throws FilterException

Value of the source filter is inverted. If the source filter returns true this accept() will return false. If the source filter returns false, this accept() will return true;

Specified by:

accept in interface Filter<T extends FilterTarget>

Parameters:

buffer - buffer to execute on

target - the target specific filter

Returns:

opposite of boolean value returned from source filter

Throws:

FilterException

See Also:

Filter.accept(java.nio.ByteBuffer, org.jnetstream.filter.FilterTarget)

execute

public long execute(java.nio.ByteBuffer buffer,
                    T target)
             throws FilterException

The execute method will invert the returned length to either Long.MAX_VALUE or 0. If the source filter returns a length of 0 the value is inverted and returned by accept() as Long.MAX_VALUE. If the source filter returned a non zero value, a zero will be returned.

Specified by:

execute in interface Filter<T extends FilterTarget>

Parameters:

buffer - buffer to execute on

target - the target specific filter

Returns:

inverted length

Throws:

FilterException - TODO

See Also:

Filter.execute(java.nio.ByteBuffer, org.jnetstream.filter.FilterTarget)