org.hibernate.criterion.LogicalExpression Maven / Gradle / Ivy
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//$Id: LogicalExpression.java 5685 2005-02-12 07:19:50Z steveebersole $
package org.hibernate.criterion;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.engine.TypedValue;
/**
* Superclass of binary logical expressions
* @author Gavin King
*/
public class LogicalExpression implements Criterion {
private final Criterion lhs;
private final Criterion rhs;
private final String op;
protected LogicalExpression(Criterion lhs, Criterion rhs, String op) {
this.lhs = lhs;
this.rhs = rhs;
this.op = op;
}
public TypedValue[] getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery)
throws HibernateException {
TypedValue[] lhstv = lhs.getTypedValues(criteria, criteriaQuery);
TypedValue[] rhstv = rhs.getTypedValues(criteria, criteriaQuery);
TypedValue[] result = new TypedValue[ lhstv.length + rhstv.length ];
System.arraycopy(lhstv, 0, result, 0, lhstv.length);
System.arraycopy(rhstv, 0, result, lhstv.length, rhstv.length);
return result;
}
public String toSqlString(Criteria criteria, CriteriaQuery criteriaQuery)
throws HibernateException {
return '(' +
lhs.toSqlString(criteria, criteriaQuery) +
' ' +
getOp() +
' ' +
rhs.toSqlString(criteria, criteriaQuery) +
')';
}
public String getOp() {
return op;
}
public String toString() {
return lhs.toString() + ' ' + getOp() + ' ' + rhs.toString();
}
}