org.apache.flink.runtime.scheduler.adapter.DefaultResultPartition Maven / Gradle / Ivy

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/*
 * 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,
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 * See the License for the specific language governing permissions and
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 */

package org.apache.flink.runtime.scheduler.adapter;

import org.apache.flink.runtime.io.network.partition.ResultPartitionType;
import org.apache.flink.runtime.jobgraph.IntermediateDataSetID;
import org.apache.flink.runtime.jobgraph.IntermediateResultPartitionID;
import org.apache.flink.runtime.scheduler.strategy.ConsumedPartitionGroup;
import org.apache.flink.runtime.scheduler.strategy.ConsumerVertexGroup;
import org.apache.flink.runtime.scheduler.strategy.ResultPartitionState;
import org.apache.flink.runtime.scheduler.strategy.SchedulingResultPartition;

import java.util.List;
import java.util.Optional;
import java.util.function.Supplier;

import static org.apache.flink.util.Preconditions.checkNotNull;

/** Default implementation of {@link SchedulingResultPartition}. */
class DefaultResultPartition implements SchedulingResultPartition {

    private final IntermediateResultPartitionID resultPartitionId;

    private final IntermediateDataSetID intermediateDataSetId;

    private final ResultPartitionType partitionType;

    private final Supplier resultPartitionStateSupplier;

    private DefaultExecutionVertex producer;

    private final Supplier consumerVertexGroupSupplier;

    private final Supplier> consumerPartitionGroupSupplier;

    DefaultResultPartition(
            IntermediateResultPartitionID partitionId,
            IntermediateDataSetID intermediateDataSetId,
            ResultPartitionType partitionType,
            Supplier resultPartitionStateSupplier,
            Supplier consumerVertexGroupSupplier,
            Supplier> consumerPartitionGroupSupplier) {
        this.resultPartitionId = checkNotNull(partitionId);
        this.intermediateDataSetId = checkNotNull(intermediateDataSetId);
        this.partitionType = checkNotNull(partitionType);
        this.resultPartitionStateSupplier = checkNotNull(resultPartitionStateSupplier);
        this.consumerVertexGroupSupplier = checkNotNull(consumerVertexGroupSupplier);
        this.consumerPartitionGroupSupplier = checkNotNull(consumerPartitionGroupSupplier);
    }

    @Override
    public IntermediateResultPartitionID getId() {
        return resultPartitionId;
    }

    @Override
    public IntermediateDataSetID getResultId() {
        return intermediateDataSetId;
    }

    @Override
    public ResultPartitionType getResultType() {
        return partitionType;
    }

    @Override
    public ResultPartitionState getState() {
        return resultPartitionStateSupplier.get();
    }

    @Override
    public DefaultExecutionVertex getProducer() {
        return producer;
    }

    @Override
    public Optional getConsumerVertexGroup() {
        return Optional.ofNullable(consumerVertexGroupSupplier.get());
    }

    @Override
    public List getConsumedPartitionGroups() {
        return consumerPartitionGroupSupplier.get();
    }

    void setProducer(DefaultExecutionVertex vertex) {
        producer = checkNotNull(vertex);
    }
}