com.facebook.presto.spark.classloader_interface.PrestoSparkTaskInputs Maven / Gradle / Ivy

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/*
 * 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.facebook.presto.spark.classloader_interface;

import org.apache.spark.broadcast.Broadcast;
import scala.Tuple2;
import scala.collection.Iterator;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static java.util.Collections.unmodifiableMap;
import static java.util.Objects.requireNonNull;

public class PrestoSparkTaskInputs
{
    // fragmentId -> Iterator<[partitionId, page]>
    private final Map>> shuffleInputs;
    private final Map> broadcastInputs;
    // For the COORDINATOR_ONLY fragment we first collect the inputs on the Driver
    private final Map> inMemoryInputs;

    public PrestoSparkTaskInputs(
            Map>> shuffleInputs,
            Map> broadcastInputs,
            Map> inMemoryInputs)
    {
        this.shuffleInputs = unmodifiableMap(new HashMap<>(requireNonNull(shuffleInputs, "shuffleInputs is null")));
        this.broadcastInputs = unmodifiableMap(new HashMap<>(requireNonNull(broadcastInputs, "broadcastInputs is null")));
        this.inMemoryInputs = unmodifiableMap(new HashMap<>(requireNonNull(inMemoryInputs, "inMemoryInputs is null")));
    }

    public Map>> getShuffleInputs()
    {
        return shuffleInputs;
    }

    public Map> getBroadcastInputs()
    {
        return broadcastInputs;
    }

    public Map> getInMemoryInputs()
    {
        return inMemoryInputs;
    }
}