com.saxonica.ee.pattern.preconditions

Class EmptyPreconditions

java.lang.Object

com.saxonica.ee.pattern.preconditions.EmptyPreconditions

All Implemented Interfaces:

PreconditionSet

public class EmptyPreconditions
extends Object
implements PreconditionSet

A default null precondition set that does no harm and always permits a rule to be checked

Constructor Summary

Constructors

Constructor and Description
EmptyPreconditions()

Method Summary

Methods

Modifier and Type	Method and Description
void	addAll(Collection<Expression> expressions) Add a collection of expressions to a set of preconditions
void	clear()
void	export(ExpressionPresenter out)
Map<Expression,Integer>	getIndexes()
List<Expression>	getSortedConditions()
Matcher	makeRuleSearchState(SimpleMode mode) Make a Matcher for this set of preconditions.
void	process() Carry out 'global' processing on this precondition set.

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyPreconditions

public EmptyPreconditions()

Method Detail

addAll

public void addAll(Collection<Expression> expressions)

Description copied from interface: PreconditionSet

Add a collection of expressions to a set of preconditions

Specified by:

addAll in interface PreconditionSet

Parameters:

expressions - The expressions to be added

clear

public void clear()

export

public void export(ExpressionPresenter out)

Specified by:

export in interface PreconditionSet

getSortedConditions

public List<Expression> getSortedConditions()

Specified by:

getSortedConditions in interface PreconditionSet

getIndexes

public Map<Expression,Integer> getIndexes()

Specified by:

getIndexes in interface PreconditionSet

makeRuleSearchState

public Matcher makeRuleSearchState(SimpleMode mode)

Description copied from interface: PreconditionSet

Make a Matcher for this set of preconditions. This will have a clear internal state of evaluated preconditions.

Specified by:

makeRuleSearchState in interface PreconditionSet

Parameters:

mode - the mode this precondition set is being used in

Returns:

the Matcher object

process

public void process()

Description copied from interface: PreconditionSet

Carry out 'global' processing on this precondition set.

Specified by:

process in interface PreconditionSet