fr.cnes.sitools.dataset.database.mongodb.OperatorMongoDB.java Source code

Introduction

Here is the source code for fr.cnes.sitools.dataset.database.mongodb.OperatorMongoDB.java

Source

/*******************************************************************************
 * Copyright 2011 CNES - CENTRE NATIONAL d'ETUDES SPATIALES
 * 
 * This file is part of SITools2.
 * 
 * SITools2 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, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * SITools2 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 SITools2.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package fr.cnes.sitools.dataset.database.mongodb;

import com.mongodb.QueryOperators;

import fr.cnes.sitools.dataset.model.Operator;

/**
 * Utility class to get Query operator String for MongoDB
 * 
 * 
 * @author m.gond
 */
public final class OperatorMongoDB {

    /**
     * Default private constructor
     */
    private OperatorMongoDB() {

    }

    /**
     * Get the operator value for a MongoDB query
     * 
     * @param operator
     *          the {@link Operator}
     * @return the string representation of this operator for MongoDB
     */
    public static String getOperatorValue(Operator operator) {
        String value;
        switch (operator) {
        case EQ:
            value = null;
            break;
        case GT:
            value = QueryOperators.GT;
            break;
        case GTE:
            value = QueryOperators.GTE;
            break;
        case IN:
            value = QueryOperators.IN;
            break;
        case LIKE:
            value = "LIKE";
            break;
        case LT:
            value = QueryOperators.LT;
            break;
        case LTE:
            value = QueryOperators.LTE;
            break;
        case NOTIN:
            value = QueryOperators.NIN;
            break;
        case GEO_OVERLAP:
            value = "$within";
            break;
        case NE:
            value = QueryOperators.NE;
            break;
        default:
            value = null;
        }
        return value;

    }

}