程序包 cn.taketoday.context.annotation

接口 Condition

所有已知子接口:

ConfigurationCondition

所有已知实现类:

AbstractNestedCondition, AllNestedConditions, AnyNestedCondition, ContextCondition, FilteringContextCondition, NeverMatchedCondition, NoneNestedConditions, OnPropertyListCondition, ResourceCondition

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public interface Condition

A single condition that must be matched in order for a component to be registered.

Conditions are checked immediately before the bean-definition is due to be registered and are free to veto registration based on any criteria that can be determined at that point.

作者:

TODAY 2018-11-10 13:44

另请参阅:

• Conditional

方法概要

修饰符和类型	方法	说明
boolean	matches(ConditionEvaluationContext context, cn.taketoday.core.type.AnnotatedTypeMetadata metadata)	Determine if the condition matches.

方法详细资料

matches

boolean matches(ConditionEvaluationContext context,
 cn.taketoday.core.type.AnnotatedTypeMetadata metadata)

Determine if the condition matches.

参数:

context - ConditionEvaluationContext

metadata - the metadata of the class * or method being checked

返回:

Return false to indicate that the bean should not be * registered

从以下版本开始:

4.0