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

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

All Implemented Interfaces:

ComparatorExpression, CompositeComparatorExpression, Serializable

public class MultiComparatorExpression

extends Object

implements CompositeComparatorExpression

See Also:

Serialized Form

Field Summary

protected List

children

Constructor Summary

MultiComparatorExpression()

Method Summary

ComparatorExpression	add(ComparatorExpression expression)
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.
ComparatorExpression[]	getChildren()

Methods inherited from class java.lang.Object

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

Field Detail

children

protected List children

Constructor Detail

MultiComparatorExpression

public MultiComparatorExpression()

Method Detail

add

public ComparatorExpression add(ComparatorExpression expression)

getChildren

public ComparatorExpression[] getChildren()

Specified by:

getChildren in interface CompositeComparatorExpression

compare

public int compare(VariableResolver resolver1,
                   VariableResolver resolver2)
            throws ExpressionEvaluationException

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.

Throws:

ExpressionEvaluationException - when the comparation fails.