org.springframework.expression.spel.support

类 StandardTypeComparator

java.lang.Object

org.springframework.expression.spel.support.StandardTypeComparator

所有已实现的接口:

TypeComparator

public class StandardTypeComparator
extends Object
implements TypeComparator

A basic TypeComparator implementation: supports comparison of Number types as well as types implementing Comparable.

从以下版本开始:

3.0

作者:

Andy Clement, Juergen Hoeller, Giovanni Dall'Oglio Risso

构造器概要

构造器

构造器和说明
StandardTypeComparator()

方法概要

限定符和类型	方法和说明
boolean	canCompare(Object left, Object right) Return true if the comparator can compare these two objects.
int	compare(Object left, Object right) Compare two given objects.

从类继承的方法 java.lang.Object

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

构造器详细资料

StandardTypeComparator

public StandardTypeComparator()

方法详细资料

canCompare

public boolean canCompare(@Nullable
                          Object left,
                          @Nullable
                          Object right)

从接口复制的说明: TypeComparator

Return true if the comparator can compare these two objects.

指定者:

canCompare 在接口中 TypeComparator

参数:

left - the first object

right - the second object

返回:

true if the comparator can compare these objects

compare

public int compare(@Nullable
                   Object left,
                   @Nullable
                   Object right)
            throws SpelEvaluationException

从接口复制的说明: TypeComparator

Compare two given objects.

指定者:

compare 在接口中 TypeComparator

参数:

left - the first object

right - the second object

返回:

0 if they are equal, <0 if the first is smaller than the second, or >0 if the first is larger than the second

抛出:

SpelEvaluationException