Phillip Webb
11 years ago
parent
4c067a89fe
commit
c83400d265
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/*
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* Copyright 2012-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.context.condition;
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import java.lang.annotation.Documented;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import org.springframework.beans.factory.BeanFactory;
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import org.springframework.boot.context.condition.ConditionalOnMissingBean;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.annotation.Conditional;
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/**
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* {@link Conditional} that only matches when the specified bean classes and/or names are
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* not already contained in the {@link BeanFactory}, and throws an exception otherwise.
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*
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* @author Dave Syer
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* @see ConditionalOnMissingBean
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*/
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@Target({ ElementType.TYPE, ElementType.METHOD })
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@Retention(RetentionPolicy.RUNTIME)
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@Documented
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@Conditional(AssertMissingBeanCondition.class)
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public @interface AssertMissingBean {
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/**
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* The class type of bean that should be checked. The condition matches when each
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* class specified is missing in the {@link ApplicationContext}.
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* @return the class types of beans to check
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*/
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Class<?>[] value() default {};
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/**
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* The names of beans to check. The condition matches when each bean name specified is
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* missing in the {@link ApplicationContext}.
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* @return the name of beans to check
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*/
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String[] name() default {};
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/**
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* If the application context hierarchy (parent contexts) should be considered.
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*/
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boolean considerHierarchy() default true;
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}
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@ -1,51 +0,0 @@
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/*
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* Copyright 2012-2013 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.context.condition;
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import java.util.List;
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import org.springframework.beans.factory.BeanCreationException;
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import org.springframework.boot.context.condition.OnMissingBeanCondition;
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import org.springframework.context.annotation.Condition;
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import org.springframework.context.annotation.ConditionContext;
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import org.springframework.core.type.AnnotatedTypeMetadata;
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/**
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* {@link Condition} that checks that specific beans are missing.
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*
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* @author Dave Syer
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* @see AssertMissingBean
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*/
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class AssertMissingBeanCondition extends OnMissingBeanCondition {
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@Override
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protected Class<?> annotationClass() {
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return AssertMissingBean.class;
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}
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@Override
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protected boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata,
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List<String> beanClasses, List<String> beanNames) throws LinkageError {
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boolean result = super.matches(context, metadata, beanClasses, beanNames);
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if (!result) {
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throw new BeanCreationException("Found existing bean for classes="
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+ beanClasses + " and names=" + beanNames);
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}
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return result;
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}
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}
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