com.bigdata.btree.filter
Class FilterConstructor<E>

java.lang.Object
  com.bigdata.btree.filter.FilterConstructor<E>

All Implemented Interfaces:

IFilterConstructor<E>, Serializable, Cloneable

public class FilterConstructor<E>
extends Object
implements IFilterConstructor<E>, Cloneable

Implementation allows you to append IFilters to an internal ordered list. The corresponding stacked filter is then assembled by #newInstance(Iterator).

Version:

$Id: FilterConstructor.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

See Also:

Serialized Form

Constructor Summary

FilterConstructor()

Method Summary

FilterConstructor<E>	addFilter(cutthecrap.utils.striterators.IFilter filter) Add a(nother) filter to the filter stack.
FilterConstructor<E>	clone()
ITupleIterator<E>	newInstance(ITupleIterator<E> src) Create a filter stack.

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterConstructor

public FilterConstructor()

Method Detail

clone

public FilterConstructor<E> clone()

Overrides:

clone in class Object

addFilter

public FilterConstructor<E> addFilter(cutthecrap.utils.striterators.IFilter filter)

Add a(nother) filter to the filter stack. The filters are applied in the order in which they are declared to this method.

Parameters:

filter - The filter.

Returns:

this

newInstance

public ITupleIterator<E> newInstance(ITupleIterator<E> src)

Create a filter stack.

Specified by:

newInstance in interface IFilterConstructor<E>

Parameters:

src - The source iterator.

Returns:

The iterator stack.