org.cdlib.xtf.textEngine.facet
Class GroupSelector

Object
  GroupSelector

Direct Known Subclasses:

ChildSelector, DescendantSelector, DocsSelector, EmptySelector, MarkSelector, NameSelector, PageSelector, RangeSelector, SelectedSelector, SiblingSelector, SingletonSelector, TopChoiceSelector, UnionSelector

public abstract class GroupSelector
extends Object

Base class for the various selector classes that are chained together to execute a selection expression in a faceted query.

Author:

Martin Haye

Field Summary

protected boolean	conservative
protected GroupCounts	counts
protected GroupSelector	next

Constructor Summary

GroupSelector()

Method Summary

void	flush() Flush any queued groups
abstract void	process(int group) Process the next group
void	reset(boolean conservative) Reset the selector
void	setCounts(GroupCounts counts) Set the counts to be used
void	setNext(GroupSelector next) Set the next selector in the chain
abstract String	toString() Get a string representation

Methods inherited from class Object

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

Field Detail

conservative

protected boolean conservative

next

protected GroupSelector next

counts

protected GroupCounts counts

Constructor Detail

GroupSelector

public GroupSelector()

Method Detail

setNext

public void setNext(GroupSelector next)

Set the next selector in the chain

setCounts

public void setCounts(GroupCounts counts)

Set the counts to be used

reset

public void reset(boolean conservative)

Reset the selector

process

public abstract void process(int group)

Process the next group

flush

public void flush()

Flush any queued groups

toString

public abstract String toString()

Get a string representation

Overrides:

toString in class Object