org.springframework.cloud.gcp.data.datastore.repository.config.DatastoreRepositoryConfigurationExtension Maven / Gradle / Ivy

/*
 * Copyright 2017-2018 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.cloud.gcp.data.datastore.repository.config;

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

import org.w3c.dom.Element;

import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.cloud.gcp.data.datastore.core.mapping.Entity;
import org.springframework.cloud.gcp.data.datastore.repository.DatastoreRepository;
import org.springframework.cloud.gcp.data.datastore.repository.support.DatastoreRepositoryFactoryBean;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.data.config.ParsingUtils;
import org.springframework.data.repository.config.AnnotationRepositoryConfigurationSource;
import org.springframework.data.repository.config.RepositoryConfigurationExtensionSupport;
import org.springframework.data.repository.config.XmlRepositoryConfigurationSource;

/**
 * Holds configuration information for creating Datastore repositories and providing
 * Datastore templates.
 *
 * @author Chengyuan Zhao
 *
 * @since 1.1
 */
public class DatastoreRepositoryConfigurationExtension
		extends RepositoryConfigurationExtensionSupport {

	@Override
	protected String getModulePrefix() {
		return "datastore";
	}

	@Override
	public String getRepositoryFactoryBeanClassName() {
		return DatastoreRepositoryFactoryBean.class.getName();
	}

	@Override
	public void postProcess(BeanDefinitionBuilder builder,
			AnnotationRepositoryConfigurationSource config) {
		AnnotationAttributes attributes = config.getAttributes();

		builder.addPropertyReference("datastoreTemplate",
				attributes.getString("datastoreTemplateRef"));
		builder.addPropertyReference("datastoreMappingContext",
				attributes.getString("datastoreMappingContextRef"));

	}

	@Override
	protected Collection> getIdentifyingAnnotations() {
		return Collections.singleton(Entity.class);
	}

	@Override
	protected Collection> getIdentifyingTypes() {
		return Collections.singleton(DatastoreRepository.class);
	}

	@Override
	public void postProcess(BeanDefinitionBuilder builder,
			XmlRepositoryConfigurationSource config) {
		Element element = config.getElement();

		ParsingUtils.setPropertyReference(builder, element, "datastore-template-ref",
				"datastoreTemplate");
		ParsingUtils.setPropertyReference(builder, element,
				"datastore-mapping-context-ref", "datastoreMappingContext");
	}
}