external/storm-mongodb/src/main/java/org/apache/storm/mongodb/trident/state/MongoStateFactory.java

/**
 * 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.trident.state;

import java.util.Map;

import org.apache.storm.task.IMetricsContext;
import org.apache.storm.trident.state.State;
import org.apache.storm.trident.state.StateFactory;

public class MongoStateFactory implements StateFactory {

    private MongoState.Options options;

    public MongoStateFactory(MongoState.Options options) {
        this.options = options;
    }

    @Override
    public State makeState(Map conf, IMetricsContext metrics,
            int partitionIndex, int numPartitions) {
        MongoState state = new MongoState(conf, options);
        state.prepare();
        return state;
    }

}