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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or .
 */
package org.hibernate.engine.internal;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;

import org.hibernate.EntityMode;
import org.hibernate.LockMode;
import org.hibernate.engine.spi.EntityEntry;
import org.hibernate.engine.spi.PersistenceContext;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.engine.spi.Status;
import org.hibernate.persister.entity.EntityPersister;

/**
 * An EntityEntry implementation for mutable entities.
 *
 * @author Gavin King
 * @author Emmanuel Bernard 
 * @author Gunnar Morling
 * @author Sanne Grinovero  
 */
public final class MutableEntityEntry extends AbstractEntityEntry {

	/**
	 * @deprecated the tenantId and entityMode parameters where removed: this constructor accepts but ignores them.
	 * Use the other constructor!
	 */
	@Deprecated
	public MutableEntityEntry(
			final Status status,
			final Object[] loadedState,
			final Object rowId,
			final Serializable id,
			final Object version,
			final LockMode lockMode,
			final boolean existsInDatabase,
			final EntityPersister persister,
			final EntityMode entityMode,
			final String tenantId,
			final boolean disableVersionIncrement,
			final boolean lazyPropertiesAreUnfetched,
			final PersistenceContext persistenceContext) {
		this( status, loadedState, rowId, id, version, lockMode, existsInDatabase,
				persister,disableVersionIncrement, lazyPropertiesAreUnfetched, persistenceContext );
	}

	public MutableEntityEntry(
			final Status status,
			final Object[] loadedState,
			final Object rowId,
			final Serializable id,
			final Object version,
			final LockMode lockMode,
			final boolean existsInDatabase,
			final EntityPersister persister,
			final boolean disableVersionIncrement,
			final boolean lazyPropertiesAreUnfetched,
			final PersistenceContext persistenceContext) {

		super( status, loadedState, rowId, id, version, lockMode, existsInDatabase, persister,
				disableVersionIncrement, lazyPropertiesAreUnfetched, persistenceContext );
	}

	/**
	 * This for is used during custom deserialization handling
	 */
	@SuppressWarnings( {"JavaDoc"})
	private MutableEntityEntry(
			final SessionFactoryImplementor factory,
			final String entityName,
			final Serializable id,
			final Status status,
			final Status previousStatus,
			final Object[] loadedState,
			final Object[] deletedState,
			final Object version,
			final LockMode lockMode,
			final boolean existsInDatabase,
			final boolean isBeingReplicated,
			final boolean loadedWithLazyPropertiesUnfetched,
			final PersistenceContext persistenceContext) {

		super( factory, entityName, id, status, previousStatus, loadedState, deletedState,
				version, lockMode, existsInDatabase, isBeingReplicated, loadedWithLazyPropertiesUnfetched,
				persistenceContext );
	}


	/**
	 * Custom deserialization routine used during deserialization of a
	 * Session/PersistenceContext for increased performance.
	 *
	 * @param ois The stream from which to read the entry.
	 * @param persistenceContext The context being deserialized.
	 *
	 * @return The deserialized EntityEntry
	 *
	 * @throws java.io.IOException If a stream error occurs
	 * @throws ClassNotFoundException If any of the classes declared in the stream
	 * cannot be found
	 */
	public static EntityEntry deserialize(
			ObjectInputStream ois,
			PersistenceContext persistenceContext) throws IOException, ClassNotFoundException {
		String previousStatusString;
		return new MutableEntityEntry(
				persistenceContext.getSession().getFactory(),
				(String) ois.readObject(),
				(Serializable) ois.readObject(),
				Status.valueOf( (String) ois.readObject() ),
				( previousStatusString = (String) ois.readObject() ).length() == 0
						? null
						: Status.valueOf( previousStatusString ),
				(Object[]) ois.readObject(),
				(Object[]) ois.readObject(),
				ois.readObject(),
				LockMode.valueOf( (String) ois.readObject() ),
				ois.readBoolean(),
				ois.readBoolean(),
				ois.readBoolean(),
				persistenceContext
		);
	}
}