org.hibernate.param.PositionalParameterSpecification Maven / Gradle / Ivy
/*
* 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;
/**
* Parameter bind specification for an explicit positional (or ordinal) parameter.
*
* @author Steve Ebersole
*/
public class PositionalParameterSpecification extends AbstractExplicitParameterSpecification {
private final int hqlPosition;
/**
* Constructs a position/ordinal parameter bind specification.
*
* @param sourceLine See {@link #getSourceLine()}
* @param sourceColumn See {@link #getSourceColumn()}
* @param hqlPosition The position in the source query, relative to the other source positional parameters.
*/
public PositionalParameterSpecification(int sourceLine, int sourceColumn, int hqlPosition) {
super( sourceLine, sourceColumn );
this.hqlPosition = hqlPosition;
}
/**
* 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.
*/
@Override
public int bind(PreparedStatement statement, QueryParameters qp, SharedSessionContractImplementor session, int position) throws SQLException {
Type type = qp.getPositionalParameterTypes()[hqlPosition];
Object value = qp.getPositionalParameterValues()[hqlPosition];
type.nullSafeSet( statement, value, position, session );
return type.getColumnSpan( session.getFactory() );
}
@Override
public String renderDisplayInfo() {
return "ordinal=" + hqlPosition + ", expectedType=" + getExpectedType();
}
/**
* Getter for property 'hqlPosition'.
*
* @return Value for property 'hqlPosition'.
*/
public int getHqlPosition() {
return hqlPosition;
}
}