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Spring Data Implementation for Ultipa
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package com.tangwangwang.spring.data.ultipa.config;

import com.tangwangwang.spring.data.ultipa.core.mapping.event.AuditingEntityCallback;
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.core.Ordered;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.data.auditing.IsNewAwareAuditingHandler;
import org.springframework.data.auditing.config.AuditingBeanDefinitionRegistrarSupport;
import org.springframework.data.auditing.config.AuditingConfiguration;
import org.springframework.data.config.ParsingUtils;
import org.springframework.util.Assert;

import java.lang.annotation.Annotation;

/**
 * @author Wangwang Tang
 * @since 1.0
 */
class UltipaAuditingRegistrar extends AuditingBeanDefinitionRegistrarSupport implements Ordered {

    /*
     * (non-Javadoc)
     * @see org.springframework.data.auditing.config.AuditingBeanDefinitionRegistrarSupport#getAnnotation()
     */
    @Override
    protected Class getAnnotation() {
        return EnableUltipaAuditing.class;
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.auditing.config.AuditingBeanDefinitionRegistrarSupport#getAuditingHandlerBeanName()
     */
    @Override
    protected String getAuditingHandlerBeanName() {
        return "ultipaAuditingHandler";
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.auditing.config.AuditingBeanDefinitionRegistrarSupport#registerBeanDefinitions(org.springframework.core.type.AnnotationMetadata, org.springframework.beans.factory.support.BeanDefinitionRegistry)
     */
    @Override
    public void registerBeanDefinitions(AnnotationMetadata annotationMetadata, BeanDefinitionRegistry registry) {
        Assert.notNull(annotationMetadata, "AnnotationMetadata must not be null!");
        Assert.notNull(registry, "BeanDefinitionRegistry must not be null!");

        super.registerBeanDefinitions(annotationMetadata, registry);
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.auditing.config.AuditingBeanDefinitionRegistrarSupport#getAuditHandlerBeanDefinitionBuilder(org.springframework.data.auditing.config.AuditingConfiguration)
     */
    @Override
    protected BeanDefinitionBuilder getAuditHandlerBeanDefinitionBuilder(AuditingConfiguration configuration) {
        Assert.notNull(configuration, "AuditingConfiguration must not be null!");

        BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(IsNewAwareAuditingHandler.class);

        BeanDefinitionBuilder definition = BeanDefinitionBuilder.genericBeanDefinition(PersistentEntitiesFactoryBean.class);
        definition.setAutowireMode(AbstractBeanDefinition.AUTOWIRE_CONSTRUCTOR);

        builder.addConstructorArgValue(definition.getBeanDefinition());
        return configureDefaultAuditHandlerAttributes(configuration, builder);
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.auditing.config.AuditingBeanDefinitionRegistrarSupport#registerAuditListenerBeanDefinition(org.springframework.beans.factory.config.BeanDefinition, org.springframework.beans.factory.support.BeanDefinitionRegistry)
     */
    @Override
    protected void registerAuditListenerBeanDefinition(BeanDefinition auditingHandlerDefinition, BeanDefinitionRegistry registry) {
        Assert.notNull(auditingHandlerDefinition, "BeanDefinition must not be null!");
        Assert.notNull(registry, "BeanDefinitionRegistry must not be null!");

        BeanDefinitionBuilder listenerBeanDefinitionBuilder = BeanDefinitionBuilder.rootBeanDefinition(AuditingEntityCallback.class);
        listenerBeanDefinitionBuilder.addConstructorArgValue(ParsingUtils.getObjectFactoryBeanDefinition(getAuditingHandlerBeanName(), registry));

        registerInfrastructureBeanWithId(listenerBeanDefinitionBuilder.getBeanDefinition(), AuditingEntityCallback.class.getName(), registry);
    }

    @Override
    public int getOrder() {
        return Ordered.LOWEST_PRECEDENCE;
    }
}