spring HazelcastConfigResourceCondition 源码
springboot HazelcastConfigResourceCondition 代码
文件路径：/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/hazelcast/HazelcastConfigResourceCondition.java
/*
* Copyright 2012-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.autoconfigure.hazelcast;
import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
import org.springframework.boot.autoconfigure.condition.ResourceCondition;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.core.type.AnnotatedTypeMetadata;
import org.springframework.util.Assert;
/**
* {@link SpringBootCondition} used to check if the Hazelcast configuration is available.
* This either kicks in if a default configuration has been found or if configurable
* property referring to the resource to use has been set.
*
* @author Stephane Nicoll
* @author Madhura Bhave
* @author Vedran Pavic
* @since 1.3.0
*/
public abstract class HazelcastConfigResourceCondition extends ResourceCondition {
protected static final String HAZELCAST_CONFIG_PROPERTY = "spring.hazelcast.config";
private final String configSystemProperty;
protected HazelcastConfigResourceCondition(String configSystemProperty, String... resourceLocations) {
super("Hazelcast", HAZELCAST_CONFIG_PROPERTY, resourceLocations);
Assert.notNull(configSystemProperty, "ConfigSystemProperty must not be null");
this.configSystemProperty = configSystemProperty;
}
@Override
protected ConditionOutcome getResourceOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
if (System.getProperty(this.configSystemProperty) != null) {
return ConditionOutcome.match(
startConditionMessage().because("System property '" + this.configSystemProperty + "' is set."));
}
return super.getResourceOutcome(context, metadata);
}
}
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- 本文标签： Java Spring Spring Boot
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