//$Id: Expression.java 5685 2005-02-12 07:19:50Z steveebersole $
package org.hibernate.criterion;
import org.hibernate.type.Type;
import org.hibernate.util.ArrayHelper;
/**
* This class is semi-deprecated. Use <tt>Restrictions</tt>.
*
* @see Restrictions
* @author Gavin King
*/
public final class Expression extends Restrictions {
private Expression() {
//cannot be instantiated
}
/**
* Apply a constraint expressed in SQL, with the given JDBC
* parameters. Any occurrences of <tt>{alias}</tt> will be
* replaced by the table alias.
*
* @param sql
* @param values
* @param types
* @return Criterion
*/
public static Criterion sql(String sql, Object[] values, Type[] types) {
return new SQLCriterion(sql, values, types);
}
/**
* Apply a constraint expressed in SQL, with the given JDBC
* parameter. Any occurrences of <tt>{alias}</tt> will be replaced
* by the table alias.
*
* @param sql
* @param value
* @param type
* @return Criterion
*/
public static Criterion sql(String sql, Object value, Type type) {
return new SQLCriterion(sql, new Object[] { value }, new Type[] { type } );
}
/**
* Apply a constraint expressed in SQL. Any occurrences of <tt>{alias}</tt>
* will be replaced by the table alias.
*
* @param sql
* @return Criterion
*/
public static Criterion sql(String sql) {
return new SQLCriterion(sql, ArrayHelper.EMPTY_OBJECT_ARRAY, ArrayHelper.EMPTY_TYPE_ARRAY);
}
}
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