storm-client/src/jvm/org/apache/storm/trident/testing/MemoryBackingMap.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.trident.testing;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.storm.trident.state.map.IBackingMap;

public class MemoryBackingMap implements IBackingMap<Object> {
    Map vals = new HashMap();

    @Override
    public List<Object> multiGet(List<List<Object>> keys) {
        List ret = new ArrayList();
        for (List key : keys) {
            ret.add(vals.get(key));
        }
        return ret;
    }

    @Override
    public void multiPut(List<List<Object>> keys, List<Object> vals) {
        for (int i = 0; i < keys.size(); i++) {
            List key = keys.get(i);
            Object val = vals.get(i);
            this.vals.put(key, val);
        }
    }
}