Hibernate example source code file (ParameterSpecification.java)

This example Hibernate source code file (ParameterSpecification.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

jdbc, parameterspecification, parameterspecification, queryparameters, queryparameters, sessionimplementor, sessionimplementor, sql, sqlexception, string, string, type

The Hibernate ParameterSpecification.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
 *
 * 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.param;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import org.hibernate.engine.spi.QueryParameters;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.type.Type;

/**
 * Maintains information relating to parameters which need to get bound into a
 * JDBC {@link PreparedStatement}.
 *
 * @author Steve Ebersole
 */
public interface ParameterSpecification {
	/**
	 * Bind the appropriate value into the given statement at the specified position.
	 *
	 * @param statement The statement into which the value should be bound.
	 * @param qp The defined values for the current query execution.
	 * @param session The session against which the current execution is occuring.
	 * @param position The position from which to start binding value(s).
	 *
	 * @return The number of sql bind positions "eaten" by this bind operation.
	 * @throws java.sql.SQLException Indicates problems performing the JDBC biind operation.
	 */
	public int bind(PreparedStatement statement, QueryParameters qp, SessionImplementor session, int position) throws SQLException;

	/**
	 * Get the type which we are expeting for a bind into this parameter based
	 * on translated contextual information.
	 *
	 * @return The expected type.
	 */
	public Type getExpectedType();

	/**
	 * Injects the expected type.  Called during translation.
	 *
	 * @param expectedType The type to expect.
	 */
	public void setExpectedType(Type expectedType);

	/**
	 * Render this parameter into displayable info (for logging, etc).
	 *
	 * @return The displayable info.
	 */
	public String renderDisplayInfo();
}