org.apache.felix.gogo.runtime

Class Expression.Comparator

java.lang.Object

org.apache.felix.gogo.runtime.Expression.Operator

org.apache.felix.gogo.runtime.Expression.Comparator

Enclosing class:

Expression

public abstract class Expression.Comparator
extends Expression.Operator

Constructor Summary

Constructors

Constructor and Description
Comparator(String oper, int precedence)

Method Summary

Modifier and Type	Method and Description
abstract boolean	compare(Comparable<?> v1, Comparable<?> v2) This method actually implements the comparison.
BigDecimal	eval(BigDecimal v1, BigDecimal v2) Implementation for this operator.
Object	eval(String v1, String v2)

Methods inherited from class org.apache.felix.gogo.runtime.Expression.Operator

eval, getOper, getPrecedence, isLeftAssoc, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Comparator

public Comparator(String oper,
                  int precedence)

Method Detail

eval

public BigDecimal eval(BigDecimal v1,
                       BigDecimal v2)

Description copied from class: Expression.Operator

Implementation for this operator.

Specified by:

eval in class Expression.Operator

Parameters:

v1 - Operand 1.

v2 - Operand 2.

Returns:

The result of the operation.

eval

public Object eval(String v1,
                   String v2)

Overrides:

eval in class Expression.Operator

compare

public abstract boolean compare(Comparable<?> v1,
                                Comparable<?> v2)

This method actually implements the comparison. It will be called with either 2 BigIntegers or 2 Strings.

Parameters:

v1 - Operand 1.

v2 - Operand 2.

Returns:

The result of the comparison.