org.hibernate.param.VersionTypeSeedParameterSpecification Maven / Gradle / Ivy
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Hibernate's core ORM functionality
/*
* 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 .
*/
package org.hibernate.param;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import org.hibernate.engine.spi.QueryParameters;
import org.hibernate.engine.spi.SharedSessionContractImplementor;
import org.hibernate.type.Type;
import org.hibernate.type.VersionType;
/**
* Parameter bind specification used for optimistic lock version seeding (from insert statements).
*
* @author Steve Ebersole
*/
public class VersionTypeSeedParameterSpecification implements ParameterSpecification {
private final VersionType type;
/**
* Constructs a version seed parameter bind specification.
*
* @param type The version type.
*/
public VersionTypeSeedParameterSpecification(VersionType type) {
this.type = type;
}
@Override
public int bind(
PreparedStatement statement,
QueryParameters qp,
SharedSessionContractImplementor session,
int position) throws SQLException {
type.nullSafeSet( statement, type.seed( session ), position, session );
return 1;
}
@Override
public Type getExpectedType() {
return type;
}
@Override
public void setExpectedType(Type expectedType) {
// expected type is intrinsic here...
}
@Override
public String renderDisplayInfo() {
return "version-seed, type=" + type;
}
}