org.apache.james.mailbox.jpa.JPAMailboxSessionMapperFactory Maven / Gradle / Ivy

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package org.apache.james.mailbox.jpa;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;

import org.apache.james.mailbox.MailboxSession;
import org.apache.james.mailbox.jpa.mail.JPAMailboxMapper;
import org.apache.james.mailbox.jpa.mail.JPAMessageMapper;
import org.apache.james.mailbox.jpa.user.JPASubscriptionMapper;
import org.apache.james.mailbox.store.MailboxSessionMapperFactory;
import org.apache.james.mailbox.store.mail.MailboxMapper;
import org.apache.james.mailbox.store.mail.MessageMapper;
import org.apache.james.mailbox.store.mail.ModSeqProvider;
import org.apache.james.mailbox.store.mail.UidProvider;
import org.apache.james.mailbox.store.user.SubscriptionMapper;

/**
 * JPA implementation of {@link MailboxSessionMapperFactory}
 *
 */
public class JPAMailboxSessionMapperFactory extends MailboxSessionMapperFactory {

    private final EntityManagerFactory entityManagerFactory;
    private final UidProvider uidProvider;
    private final ModSeqProvider modSeqProvider;

    public JPAMailboxSessionMapperFactory(EntityManagerFactory entityManagerFactory, UidProvider uidProvider, ModSeqProvider modSeqProvider) {
        this.entityManagerFactory = entityManagerFactory;
        this.uidProvider = uidProvider;
        this.modSeqProvider = modSeqProvider;
        createEntityManager().close();   
    }
    
    @Override
    public MailboxMapper createMailboxMapper(MailboxSession session) {
        return new JPAMailboxMapper(entityManagerFactory);
    }

    @Override
    public MessageMapper createMessageMapper(MailboxSession session) {
        return new JPAMessageMapper(session, uidProvider, modSeqProvider, entityManagerFactory);
    }

    @Override
    public SubscriptionMapper createSubscriptionMapper(MailboxSession session) {
        return new JPASubscriptionMapper(entityManagerFactory);
    }

    /**
     * Return a new {@link EntityManager} instance
     * 
     * @return manager
     */
    private EntityManager createEntityManager() {
        return entityManagerFactory.createEntityManager();
    }

}