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/**
 * Copyright (c) 2013-2022 Nikita Koksharov
 *
 * 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 org.redisson.mapreduce;

import org.redisson.api.RObject;
import org.redisson.api.RedissonClient;
import org.redisson.api.mapreduce.RCollator;
import org.redisson.api.mapreduce.RCollectionMapReduce;
import org.redisson.api.mapreduce.RCollectionMapper;
import org.redisson.api.mapreduce.RReducer;
import org.redisson.command.CommandAsyncExecutor;

import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;

/**
 * 
 * @author Nikita Koksharov
 *
 * @param  input value type
 * @param  output key type
 * @param  output value type
 */
public class RedissonCollectionMapReduce extends MapReduceExecutor, VIn, KOut, VOut> 
                                                            implements RCollectionMapReduce {

    public RedissonCollectionMapReduce(RObject object, RedissonClient redisson, CommandAsyncExecutor commandExecutor) {
        super(object, redisson, commandExecutor);
    }
    
    @Override
    public RCollectionMapReduce timeout(long timeout, TimeUnit unit) {
        this.timeout = unit.toMillis(timeout);
        return this;
    }
    
    @Override
    public RCollectionMapReduce mapper(RCollectionMapper mapper) {
        check(mapper);
        this.mapper = mapper;
        return this;
    }

    @Override
    public RCollectionMapReduce reducer(RReducer reducer) {
        check(reducer);
        this.reducer = reducer;
        return this;
    }

    @Override
    protected Callable createTask(String resultMapName, RCollator collator) {
        CollectionMapperTask mapperTask = new CollectionMapperTask(mapper, objectClass, objectCodec.getClass());
        return new CoordinatorTask(mapperTask, reducer, objectName, resultMapName, objectCodec.getClass(), objectClass, collator, timeout, System.currentTimeMillis());
    }

}