org.hibernate.criterion.LogicalExpression.java Source code

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Here is the source code for org.hibernate.criterion.LogicalExpression.java

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/*
 * 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 <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.criterion;

import org.hibernate.Criteria;
import org.hibernate.engine.spi.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;
    }

    @Override
    public TypedValue[] getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery) {
        final TypedValue[] lhsTypedValues = lhs.getTypedValues(criteria, criteriaQuery);
        final TypedValue[] rhsTypedValues = rhs.getTypedValues(criteria, criteriaQuery);

        final TypedValue[] result = new TypedValue[lhsTypedValues.length + rhsTypedValues.length];
        System.arraycopy(lhsTypedValues, 0, result, 0, lhsTypedValues.length);
        System.arraycopy(rhsTypedValues, 0, result, lhsTypedValues.length, rhsTypedValues.length);
        return result;
    }

    @Override
    public String toSqlString(Criteria criteria, CriteriaQuery criteriaQuery) {
        return '(' + lhs.toSqlString(criteria, criteriaQuery) + ' ' + getOp() + ' '
                + rhs.toSqlString(criteria, criteriaQuery) + ')';
    }

    public String getOp() {
        return op;
    }

    @Override
    public String toString() {
        return lhs.toString() + ' ' + getOp() + ' ' + rhs.toString();
    }
}