/** | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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 org.apache.storm.mongodb.bolt; | |
import java.util.Map; | |
import org.apache.commons.lang.Validate; | |
import org.apache.storm.mongodb.common.MongoDBClient; | |
import org.apache.storm.task.OutputCollector; | |
import org.apache.storm.task.TopologyContext; | |
import org.apache.storm.topology.base.BaseRichBolt; | |
public abstract class AbstractMongoBolt extends BaseRichBolt { | |
private String url; | |
private String collectionName; | |
protected OutputCollector collector; | |
protected MongoDBClient mongoClient; | |
public AbstractMongoBolt(String url, String collectionName) { | |
Validate.notEmpty(url, "url can not be blank or null"); | |
Validate.notEmpty(collectionName, "collectionName can not be blank or null"); | |
this.url = url; | |
this.collectionName = collectionName; | |
} | |
@Override | |
public void prepare(Map stormConf, TopologyContext context, | |
OutputCollector collector) { | |
this.collector = collector; | |
this.mongoClient = new MongoDBClient(url, collectionName); | |
} | |
@Override | |
public void cleanup() { | |
this.mongoClient.close(); | |
} | |
} |