org.hibernate.dialect.LobMergeStrategy Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.dialect;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.NClob;
import org.hibernate.engine.spi.SessionImplementor;
/**
* Strategy for how dialects need {@code LOB} values to be merged.
*
* @author Steve Ebersole
*/
public interface LobMergeStrategy {
/**
* Perform merge on {@link Blob} values.
*
* @param original The detached {@code BLOB} state
* @param target The managed {@code BLOB} state
* @param session The session
*
* @return The merged {@code BLOB} state
*/
public Blob mergeBlob(Blob original, Blob target, SessionImplementor session);
/**
* Perform merge on {@link Clob} values.
*
* @param original The detached {@code CLOB} state
* @param target The managed {@code CLOB} state
* @param session The session
*
* @return The merged {@code CLOB} state
*/
public Clob mergeClob(Clob original, Clob target, SessionImplementor session);
/**
* Perform merge on {@link NClob} values.
*
* @param original The detached {@code NCLOB} state
* @param target The managed {@code NCLOB} state
* @param session The session
*
* @return The merged {@code NCLOB} state
*/
public NClob mergeNClob(NClob original, NClob target, SessionImplementor session);
}