org.springframework.boot.autoconfigure.hazelcast.HazelcastAutoConfiguration Maven / Gradle / Ivy
/*
* 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 com.hazelcast.core.HazelcastInstance;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionMessage;
import org.springframework.boot.autoconfigure.condition.ConditionMessage.Builder;
import org.springframework.boot.autoconfigure.condition.ConditionOutcome;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.SpringBootCondition;
import org.springframework.boot.autoconfigure.hazelcast.HazelcastAutoConfiguration.HazelcastDataGridCondition;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.core.io.Resource;
import org.springframework.core.type.AnnotatedTypeMetadata;
/**
* {@link EnableAutoConfiguration Auto-configuration} for Hazelcast IMDG. Creates a
* {@link HazelcastInstance} based on explicit configuration or when a default
* configuration file is found in the environment.
*
* @author Stephane Nicoll
* @author Vedran Pavic
* @since 1.3.0
* @see HazelcastConfigResourceCondition
*/
@Configuration(proxyBeanMethods = false)
@Conditional(HazelcastDataGridCondition.class)
@ConditionalOnClass(HazelcastInstance.class)
@EnableConfigurationProperties(HazelcastProperties.class)
@Import({ HazelcastClientConfiguration.class, HazelcastServerConfiguration.class })
public class HazelcastAutoConfiguration {
static class HazelcastDataGridCondition extends SpringBootCondition {
private static final String HAZELCAST_JET_CONFIG_FILE = "classpath:/hazelcast-jet-default.yaml";
@Override
public ConditionOutcome getMatchOutcome(ConditionContext context, AnnotatedTypeMetadata metadata) {
Builder message = ConditionMessage.forCondition(HazelcastDataGridCondition.class.getSimpleName());
Resource resource = context.getResourceLoader().getResource(HAZELCAST_JET_CONFIG_FILE);
if (resource.exists()) {
return ConditionOutcome.noMatch(message.because("Found Hazelcast Jet on the classpath"));
}
return ConditionOutcome.match(message.because("Hazelcast Jet not found on the classpath"));
}
}
}