com.joyfulmongo.db.ContainerObjectPointer.java Source code

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Here is the source code for com.joyfulmongo.db.ContainerObjectPointer.java

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/*
 * Copyright 2014 Weifeng Bao
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/
package com.joyfulmongo.db;

import java.util.Iterator;
import java.util.List;

import org.json.JSONObject;

import com.joyfulmongo.controller.JSONObjectSupport;

public class ContainerObjectPointer extends JSONObjectSupport implements ContainerObject {
    public enum Props {
        objectId, className;
    }

    ContainerObjectPointer(String key, JSONObject json) {
        super(json);
    }

    @Override
    public void onCreate(String colname, JSONObject parseObject) {
    }

    @Override
    public void onUpdate(String colname, JSONObject parseObject) {
    }

    @Override
    public void onQuery(String collectionName, JSONObject parseObject) {
    }

    public String getClassName() {
        return mObj.getString(Props.className.toString());
    }

    public String getObjectId() {
        return mObj.getString(Props.objectId.toString());
    }

    public JFMongoObject getRefereeObject() {
        JFMongoCmdQuery.Builder queryBuilder = new JFMongoCmdQuery.Builder(getClassName());

        queryBuilder.whereEquals(Constants.Props.objectId.toString(), getObjectId());

        List<JFMongoObject> parseObjs = queryBuilder.build().find();

        JFMongoObject result = null;
        if (parseObjs.size() > 0) {
            result = parseObjs.get(0);
        } else {
            throw new IllegalArgumentException("The pointer points to a non existing objectid " + getObjectId());
        }

        return result;
    }

    public void replaceObject(JFMongoObject refereeObject) {
        mObj.put(ContainerObjectFactory.TypeProps.__type.toString(),
                ContainerObjectFactory.TypeType.Object.toString());
        mObj.remove(Props.objectId.toString());
        JSONObject theObj = refereeObject.toJson();
        Iterator<String> keys = theObj.keys();
        while (keys.hasNext()) {
            String key = keys.next();
            mObj.put(key, theObj.get(key));
        }
    }
}