org.hibernate.type.PostgresUUIDType Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, 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.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import java.util.UUID;
import org.hibernate.type.descriptor.ValueBinder;
import org.hibernate.type.descriptor.ValueExtractor;
import org.hibernate.type.descriptor.WrapperOptions;
import org.hibernate.type.descriptor.java.JavaTypeDescriptor;
import org.hibernate.type.descriptor.java.UUIDTypeDescriptor;
import org.hibernate.type.descriptor.sql.BasicBinder;
import org.hibernate.type.descriptor.sql.BasicExtractor;
import org.hibernate.type.descriptor.sql.SqlTypeDescriptor;
/**
* Specialized type mapping for {@link UUID} and the Postgres UUID data type (which is mapped as OTHER in its
* JDBC driver).
*
* @author Steve Ebersole
* @author David Driscoll
*/
public class PostgresUUIDType extends AbstractSingleColumnStandardBasicType {
public static final PostgresUUIDType INSTANCE = new PostgresUUIDType();
public PostgresUUIDType() {
super( PostgresUUIDSqlTypeDescriptor.INSTANCE, UUIDTypeDescriptor.INSTANCE );
}
public String getName() {
return "pg-uuid";
}
public static class PostgresUUIDSqlTypeDescriptor implements SqlTypeDescriptor {
public static final PostgresUUIDSqlTypeDescriptor INSTANCE = new PostgresUUIDSqlTypeDescriptor();
public int getSqlType() {
// ugh
return Types.OTHER;
}
@Override
public boolean canBeRemapped() {
return true;
}
public ValueBinder getBinder(final JavaTypeDescriptor javaTypeDescriptor) {
return new BasicBinder( javaTypeDescriptor, this ) {
@Override
protected void doBind(PreparedStatement st, X value, int index, WrapperOptions options) throws SQLException {
st.setObject( index, javaTypeDescriptor.unwrap( value, UUID.class, options ), getSqlType() );
}
};
}
public ValueExtractor getExtractor(final JavaTypeDescriptor javaTypeDescriptor) {
return new BasicExtractor( javaTypeDescriptor, this ) {
@Override
protected X doExtract(ResultSet rs, String name, WrapperOptions options) throws SQLException {
return javaTypeDescriptor.wrap( rs.getObject( name ), options );
}
@Override
protected X doExtract(CallableStatement statement, int index, WrapperOptions options) throws SQLException {
return javaTypeDescriptor.wrap( statement.getObject( index ), options );
}
@Override
protected X doExtract(CallableStatement statement, String name, WrapperOptions options) throws SQLException {
return javaTypeDescriptor.wrap( statement.getObject( name ), options );
}
};
}
}
}