com.hangum.tadpole.mongodb.core.test.MongoTestAndORComplexStmt.java Source code

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Here is the source code for com.hangum.tadpole.mongodb.core.test.MongoTestAndORComplexStmt.java

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/*******************************************************************************
 * Copyright (c) 2013 hangum.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     hangum - initial API and implementation
 ******************************************************************************/
package com.hangum.tadpole.mongodb.core.test;

import java.util.ArrayList;

import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBCursor;
import com.mongodb.Mongo;

/**
 * in example example
 * 
 * 
 * select * from rental
 * where (rental_id != 1 and inventory_id = 100) or customer_id = 3  
 * 
 * 
 * @author hangum
 * 
 */
public class MongoTestAndORComplexStmt {

    /**
     * @param args
     */
    public static void main(String[] args) throws Exception {
        ConAndAuthentication testMongoCls = new ConAndAuthentication();
        Mongo mongo = testMongoCls.connection(ConAndAuthentication.serverurl, ConAndAuthentication.port);
        DB db = mongo.getDB("test");

        DBCollection myColl = db.getCollection("rental");

        BasicDBObject mainQuery = new BasicDBObject();

        // tmp and
        BasicDBObject tmpAndQuery = new BasicDBObject();
        tmpAndQuery.append("inventory_id", 100);
        tmpAndQuery.append("rental_id", new BasicDBObject("$ne", 1));

        mainQuery.put("$and", tmpAndQuery);

        // tmp or
        ArrayList<BasicDBObject> myList = new ArrayList<BasicDBObject>();
        myList.add(new BasicDBObject("customer_id", 3));

        mainQuery.put("$or", myList);

        System.out.println(mainQuery.toString());

        DBCursor myCursor = myColl.find(mainQuery);
        System.out.println("[result cursor size is " + myCursor.count());
        while (myCursor.hasNext()) {
            System.out.println(myCursor.next());
        }

        mongo.close();
    }

}