/*
* 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 <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.engine.jdbc;
import java.sql.Connection;
import java.sql.SQLException;
/**
* Provides callback access into the context in which the LOB is to be created.
*
* @author Steve Ebersole
*/
public interface LobCreationContext {
/**
* The callback contract for making use of the JDBC {@link Connection}.
*/
public static interface Callback<T> {
/**
* Perform whatever actions are necessary using the provided JDBC {@link Connection}.
*
* @param connection The JDBC {@link Connection}.
*
* @return The created LOB.
*
* @throws SQLException Indicates trouble accessing the JDBC driver to create the LOB
*/
public T executeOnConnection(Connection connection) throws SQLException;
}
/**
* Execute the given callback, making sure it has access to a viable JDBC {@link Connection}.
*
* @param callback The callback to execute .
* @param <T> The Java type of the type of LOB being created. One of {@link java.sql.Blob},
* {@link java.sql.Clob}, {@link java.sql.NClob}
*
* @return The LOB created by the callback.
*/
public <T> T execute(Callback<T> callback);
}