org.hibernate.type.ProcedureParameterExtractionAware Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2012, 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.type;
import java.sql.CallableStatement;
import java.sql.SQLException;
import org.hibernate.engine.spi.SessionImplementor;
/**
* Optional {@link Type} contract for implementations that are aware of how to extract values from
* store procedure OUT/INOUT parameters.
*
* @author Steve Ebersole
*/
public interface ProcedureParameterExtractionAware extends Type {
/**
* Can the given instance of this type actually perform the parameter value extractions?
*
* @return {@code true} indicates that @{link #extract} calls will not fail due to {@link IllegalStateException}.
*/
public boolean canDoExtraction();
/**
* Perform the extraction
*
* @param statement The CallableStatement from which to extract the parameter value(s).
* @param startIndex The parameter index from which to start extracting; assumes the values (if multiple) are contiguous
* @param session The originating session
*
* @return The extracted value.
*
* @throws SQLException Indicates an issue calling into the CallableStatement
* @throws IllegalStateException Thrown if this method is called on instances that return {@code false} for {@link #canDoExtraction}
*/
public T extract(CallableStatement statement, int startIndex, SessionImplementor session) throws SQLException;
/**
* Perform the extraction
*
* @param statement The CallableStatement from which to extract the parameter value(s).
* @param paramNames The parameter names.
* @param session The originating session
*
* @return The extracted value.
*
* @throws SQLException Indicates an issue calling into the CallableStatement
* @throws IllegalStateException Thrown if this method is called on instances that return {@code false} for {@link #canDoExtraction}
*/
public T extract(CallableStatement statement, String[] paramNames, SessionImplementor session) throws SQLException;
}