//$Id: SimpleProjection.java 5685 2005-02-12 07:19:50Z steveebersole $
package org.hibernate.criterion;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.type.Type;
/**
* A single-column projection that may be aliased
* @author Gavin King
*/
public abstract class SimpleProjection implements Projection {
public Projection as(String alias) {
return Projections.alias(this, alias);
}
public String[] getColumnAliases(String alias, int loc) {
return null;
}
public Type[] getTypes(String alias, Criteria criteria, CriteriaQuery criteriaQuery)
throws HibernateException {
return null;
}
public String[] getColumnAliases(int loc) {
return new String[] { "y" + loc + "_" };
}
public String[] getAliases() {
return new String[1];
}
public String toGroupSqlString(Criteria criteria, CriteriaQuery criteriaQuery)
throws HibernateException {
throw new UnsupportedOperationException("not a grouping projection");
}
public boolean isGrouped() {
return false;
}
}
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