org.fireflow.engine.modules.persistence.hibernate.PersisterUtils.java Source code

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Here is the source code for org.fireflow.engine.modules.persistence.hibernate.PersisterUtils.java

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/**
 * Copyright 2007-2010 ?
 * All rights reserved. 
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see http://www.gnu.org/licenses. *
 */
package org.fireflow.engine.modules.persistence.hibernate;

import org.fireflow.client.query.Criterion;
import org.hibernate.criterion.Restrictions;

/**
 * 
 * 
 * @author ?
 * @version 2.0
 */
public class PersisterUtils {
    public static org.hibernate.criterion.Criterion fireCriterion2HibernateCriterion(
            org.fireflow.client.query.Criterion fireCriterion) {
        String operation = fireCriterion.getOperation().trim();

        if (Criterion.OPERATION_EQ.equals(operation)) {
            return Restrictions.eq(fireCriterion.getEntityProperty().getPropertyName(),
                    fireCriterion.getValues()[0]);
        } else if (Criterion.OPERATION_NE.equals(operation)) {
            return Restrictions.ne(fireCriterion.getEntityProperty().getPropertyName(),
                    fireCriterion.getValues()[0]);
        } else if (Criterion.OPERATION_LIKE.equals(operation)) {
            return Restrictions.like(fireCriterion.getEntityProperty().getPropertyName(),
                    fireCriterion.getValues()[0]);
        } else if (Criterion.OPERATION_GT.equals(operation)) {
            return Restrictions.gt(fireCriterion.getEntityProperty().getPropertyName(),
                    fireCriterion.getValues()[0]);
        } else if (Criterion.OPERATION_LT.equals(operation)) {
            return Restrictions.lt(fireCriterion.getEntityProperty().getPropertyName(),
                    fireCriterion.getValues()[0]);
        } else if (Criterion.OPERATION_GE.equals(operation)) {
            return Restrictions.ge(fireCriterion.getEntityProperty().getPropertyName(),
                    fireCriterion.getValues()[0]);
        } else if (Criterion.OPERATION_LE.equals(operation)) {
            return Restrictions.le(fireCriterion.getEntityProperty().getPropertyName(),
                    fireCriterion.getValues()[0]);
        } else if (operation.equals(Criterion.OPERATION_IS_NULL)) {
            return Restrictions.isNull(fireCriterion.getEntityProperty().getPropertyName());
        } else if (operation.equals(Criterion.OPERATION_IS_NOT_NULL)) {
            return Restrictions.isNotNull(fireCriterion.getEntityProperty().getPropertyName());
        } else if (operation.equals(Criterion.OPERATION_IN)) {
            return Restrictions.in(fireCriterion.getEntityProperty().getPropertyName(), fireCriterion.getValues());
        } else if (Criterion.OPERATION_BETWEEN.equals(operation)) {
            return Restrictions.between(fireCriterion.getEntityProperty().getPropertyName(),
                    fireCriterion.getValues()[0], fireCriterion.getValues()[1]);
        } else if (Criterion.OPERATION_AND.equals(operation)) {
            org.fireflow.client.query.Criterion left = (org.fireflow.client.query.Criterion) fireCriterion
                    .getValues()[0];
            org.fireflow.client.query.Criterion right = (org.fireflow.client.query.Criterion) fireCriterion
                    .getValues()[1];
            org.hibernate.criterion.Criterion hLeft = fireCriterion2HibernateCriterion(left);
            org.hibernate.criterion.Criterion hRight = fireCriterion2HibernateCriterion(right);
            return Restrictions.and(hLeft, hRight);

        } else if (Criterion.OPERATION_OR.equals(operation)) {
            org.fireflow.client.query.Criterion left = (org.fireflow.client.query.Criterion) fireCriterion
                    .getValues()[0];
            org.fireflow.client.query.Criterion right = (org.fireflow.client.query.Criterion) fireCriterion
                    .getValues()[1];
            org.hibernate.criterion.Criterion hLeft = fireCriterion2HibernateCriterion(left);
            org.hibernate.criterion.Criterion hRight = fireCriterion2HibernateCriterion(right);
            return Restrictions.or(hLeft, hRight);

        }
        return null;
    }

    public static org.hibernate.criterion.Order fireOrder2HibernateOrder(
            org.fireflow.client.query.Order fireOrder) {
        if (fireOrder.isAscending()) {
            return org.hibernate.criterion.Order.asc(fireOrder.getEntityProperty().getPropertyName());
        } else {
            return org.hibernate.criterion.Order.desc(fireOrder.getEntityProperty().getPropertyName());
        }
    }
}