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Neo4jRepositoryConfigurationExtension.java
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Neo4jRepositoryConfigurationExtension.java
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/*
* Copyright 2011-2021 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.data.neo4j.repository.config;
import java.lang.annotation.Annotation;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import org.apiguardian.api.API;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.data.neo4j.core.schema.Node;
import org.springframework.data.neo4j.core.schema.RelationshipProperties;
import org.springframework.data.neo4j.repository.Neo4jRepository;
import org.springframework.data.neo4j.repository.support.Neo4jEvaluationContextExtension;
import org.springframework.data.neo4j.repository.support.Neo4jRepositoryFactoryBean;
import org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport;
import org.springframework.data.repository.config.RepositoryConfigurationSource;
import org.springframework.data.repository.core.RepositoryMetadata;
/**
* This dedicated Neo4j repository extension will be registered via {@link Neo4jRepositoriesRegistrar} and then provide
* all necessary beans to be registered in the application's context before the user's "business" beans gets registered.
* <p>
* While it is public, it is mainly used for internal API respectively for Spring Boots automatic configuration.
*
* @author Michael J. Simons
* @author Gerrit Meier
* @since 6.0
*/
@API(status = API.Status.INTERNAL, since = "6.0")
public final class Neo4jRepositoryConfigurationExtension extends RepositoryConfigurationExtensionSupport {
private static final String MODULE_PREFIX = "neo4j";
/**
* See {@link AbstractBeanDefinition#INFER_METHOD}.
*/
public static final String DEFAULT_NEO4J_CLIENT_BEAN_NAME = "neo4jClient";
public static final String DEFAULT_NEO4J_TEMPLATE_BEAN_NAME = "neo4jTemplate";
public static final String DEFAULT_TRANSACTION_MANAGER_BEAN_NAME = "transactionManager";
/**
* See {@link AbstractBeanDefinition#INFER_METHOD}.
*/
static final String DEFAULT_MAPPING_CONTEXT_BEAN_NAME = "neo4jMappingContext";
public Neo4jRepositoryConfigurationExtension() {
new StartupLogger(StartupLogger.Mode.IMPERATIVE).logStarting();
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.config.RepositoryConfigurationExtension#getRepositoryFactoryBeanClassName()
*/
@Override
public String getRepositoryFactoryBeanClassName() {
return Neo4jRepositoryFactoryBean.class.getName();
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport#getModulePrefix()
*/
@Override
protected String getModulePrefix() {
return MODULE_PREFIX;
}
@Override
protected Collection<Class<? extends Annotation>> getIdentifyingAnnotations() {
return Arrays.asList(Node.class, RelationshipProperties.class);
}
@Override
public void registerBeansForRoot(BeanDefinitionRegistry registry, RepositoryConfigurationSource configurationSource) {
registerIfNotAlreadyRegistered(() -> BeanDefinitionBuilder
.rootBeanDefinition(Neo4jEvaluationContextExtension.class)
.setRole(BeanDefinition.ROLE_INFRASTRUCTURE)
.getBeanDefinition(),
registry,
Neo4jEvaluationContextExtension.class.getName(),
configurationSource.getSource()
);
}
@Override
protected Collection<Class<?>> getIdentifyingTypes() {
return Collections.singleton(Neo4jRepository.class);
}
@Override
protected boolean useRepositoryConfiguration(RepositoryMetadata metadata) {
return !metadata.isReactiveRepository();
}
/*
* (non-Javadoc)
* @see org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport#postProcess(org.springframework.beans.factory.support.BeanDefinitionBuilder, org.springframework.data.repository.config.RepositoryConfigurationSource)
*/
@Override
public void postProcess(BeanDefinitionBuilder builder, RepositoryConfigurationSource source) {
builder.addPropertyValue("transactionManager",
source.getAttribute("transactionManagerRef").orElse(DEFAULT_TRANSACTION_MANAGER_BEAN_NAME));
builder.addPropertyReference("neo4jOperations",
source.getAttribute("neo4jTemplateRef").orElse(DEFAULT_NEO4J_TEMPLATE_BEAN_NAME));
builder.addPropertyReference("neo4jMappingContext",
source.getAttribute("neo4jMappingContextRef").orElse(DEFAULT_MAPPING_CONTEXT_BEAN_NAME));
}
}