com.frank.search.solr.repository.config.SolrRepositoryConfigExtension.java Source code

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Here is the source code for com.frank.search.solr.repository.config.SolrRepositoryConfigExtension.java

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/*
 * Copyright 2012 - 2015 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
 *
 *      http://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 com.frank.search.solr.repository.config;

import com.frank.search.solr.core.SolrExceptionTranslator;
import com.frank.search.solr.core.mapping.SimpleSolrMappingContext;
import com.frank.search.solr.core.mapping.SolrDocument;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.data.repository.config.AnnotationRepositoryConfigurationSource;
import org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport;
import org.springframework.data.repository.config.RepositoryConfigurationSource;
import org.springframework.data.repository.config.XmlRepositoryConfigurationSource;
import com.frank.search.solr.repository.SolrCrudRepository;
import com.frank.search.solr.repository.SolrRepository;
import com.frank.search.solr.repository.support.SolrRepositoryFactoryBean;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;

import java.lang.annotation.Annotation;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;

/**
 * {@link org.springframework.data.repository.config.RepositoryConfigurationExtension} implementation to configure Solr repository configuration support,
 * evaluating the {@link EnableSolrRepositories} annotation or the equivalent XML element.
 * 
 * @author Oliver Gierke
 * @author Christoph Strobl
 */
public class SolrRepositoryConfigExtension extends RepositoryConfigurationExtensionSupport {

    enum BeanDefinition {
        SOLR_MAPPTING_CONTEXT("solrMappingContext"), SOLR_OPERATIONS("solrOperations"), SOLR_CLIENT("solrClient");
        String beanName;

        private BeanDefinition(String beanName) {
            this.beanName = beanName;
        }

        public String getBeanName() {
            return beanName;
        }
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.repository.config.RepositoryConfigurationExtension#getRepositoryFactoryClassName()
     */
    @Override
    public String getRepositoryFactoryClassName() {
        return SolrRepositoryFactoryBean.class.getName();
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport#getModulePrefix()
     */
    @Override
    protected String getModulePrefix() {
        return "solr";
    }

    /* 
     * (non-Javadoc)
     * @see org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport#postProcess(org.springframework.beans.factory.support.BeanDefinitionBuilder, org.springframework.data.repository.config.AnnotationRepositoryConfigurationSource)
     */
    @Override
    public void postProcess(BeanDefinitionBuilder builder, AnnotationRepositoryConfigurationSource config) {

        AnnotationAttributes attributes = config.getAttributes();
        if (!attributes.getBoolean("multicoreSupport")) {
            builder.addPropertyReference(BeanDefinition.SOLR_OPERATIONS.getBeanName(),
                    attributes.getString("solrTemplateRef"));
        } else {
            builder.addPropertyReference(BeanDefinition.SOLR_CLIENT.getBeanName(),
                    attributes.getString("solrClientRef"));
        }
        builder.addPropertyValue("schemaCreationSupport", attributes.getBoolean("schemaCreationSupport"));
        builder.addPropertyReference(BeanDefinition.SOLR_MAPPTING_CONTEXT.getBeanName(), "solrMappingContext");
    }

    @Override
    public void registerBeansForRoot(BeanDefinitionRegistry registry,
            RepositoryConfigurationSource configurationSource) {

        super.registerBeansForRoot(registry, configurationSource);

        registerSolrMappingContextIfNotPresent(registry, configurationSource);

        registerIfNotAlreadyRegistered(
                BeanDefinitionBuilder.genericBeanDefinition(SolrExceptionTranslator.class).getBeanDefinition(),
                registry, "solrExceptionTranslator", configurationSource);
    }

    /* 
     * (non-Javadoc)
     * @see org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport#postProcess(org.springframework.beans.factory.support.BeanDefinitionBuilder, org.springframework.data.repository.config.XmlRepositoryConfigurationSource)
     */
    @Override
    public void postProcess(BeanDefinitionBuilder builder, XmlRepositoryConfigurationSource config) {

        Element element = config.getElement();
        if (!Boolean.valueOf(element.getAttribute("multicore-support"))) {
            builder.addPropertyReference(BeanDefinition.SOLR_OPERATIONS.getBeanName(),
                    element.getAttribute("solr-template-ref"));
        } else {
            builder.addPropertyReference(BeanDefinition.SOLR_CLIENT.getBeanName(),
                    element.getAttribute("solr-client-ref"));
        }
        if (StringUtils.hasText(element.getAttribute("schema-creation-support"))) {
            builder.addPropertyValue("schemaCreationSupport", element.getAttribute("schema-creation-support"));
        }
        builder.addPropertyReference(BeanDefinition.SOLR_MAPPTING_CONTEXT.getBeanName(), "solrMappingContext");
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport#getIdentifyingAnnotations()
     */
    @Override
    protected Collection<Class<? extends Annotation>> getIdentifyingAnnotations() {
        return Collections.<Class<? extends Annotation>>singleton(SolrDocument.class);
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport#getIdentifyingTypes()
     */
    @Override
    protected Collection<Class<?>> getIdentifyingTypes() {
        return Arrays.<Class<?>>asList(SolrRepository.class, SolrCrudRepository.class);
    }

    private void registerSolrMappingContextIfNotPresent(BeanDefinitionRegistry registry,
            RepositoryConfigurationSource configurationSource) {

        RootBeanDefinition definition = new RootBeanDefinition(SimpleSolrMappingContext.class);
        definition.setRole(AbstractBeanDefinition.ROLE_INFRASTRUCTURE);
        definition.setSource(configurationSource.getSource());

        registerIfNotAlreadyRegistered(definition, registry, BeanDefinition.SOLR_MAPPTING_CONTEXT.getBeanName(),
                definition);
    }
}