org.araneaframework.backend.list.memorybased.compexpr
Class VariableComparatorExpression

java.lang.Object
  org.araneaframework.backend.list.memorybased.compexpr.VariableComparatorExpression

All Implemented Interfaces:

ComparatorExpression, Serializable, Variable

public class VariableComparatorExpression

extends Object

implements ComparatorExpression, Variable

See Also:

Serialized Form

Field Summary

protected Comparator	comparator
protected String	name

Constructor Summary

VariableComparatorExpression(String name, Comparator comparator)

Method Summary

int	compare(VariableResolver resolver1, VariableResolver resolver2) Returns a negative integer, zero, or a positive integer as the first Variable is less than, equal to, or greater than the second.
Comparator	getComparator()
String	getName() Returns the name of this Variable.

Methods inherited from class java.lang.Object

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

Field Detail

name

protected String name

comparator

protected Comparator comparator

Constructor Detail

VariableComparatorExpression

public VariableComparatorExpression(String name,
                                    Comparator comparator)

Method Detail

getName

public String getName()

Description copied from interface: Variable

Returns the name of this Variable.

Specified by:

getName in interface Variable

Returns:

the name of this Variable.

getComparator

public Comparator getComparator()

compare

public int compare(VariableResolver resolver1,
                   VariableResolver resolver2)

Description copied from interface: ComparatorExpression

Returns a negative integer, zero, or a positive integer as the first Variable is less than, equal to, or greater than the second.

Specified by:

compare in interface ComparatorExpression

Parameters:

resolver1 - Resolver that is used to evalute the first Variable.

resolver2 - Resolver that is used to evalute the second Variable.

Returns:

a negative integer, zero, or a positive integer as the first Variable is less than, equal to, or greater than the second.