org.apache.flink.runtime.io.network.partition.external.writer.BufferSortedDataFileFactory Maven / Gradle / Ivy
/*
* 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.flink.runtime.io.network.partition.external.writer;
import org.apache.flink.api.common.typeutils.TypeSerializer;
import org.apache.flink.core.memory.MemorySegment;
import org.apache.flink.metrics.Counter;
import org.apache.flink.runtime.io.disk.iomanager.IOManager;
import org.apache.flink.runtime.io.network.api.serialization.SerializerManager;
import org.apache.flink.runtime.io.network.partition.external.ExternalBlockShuffleUtils;
import org.apache.flink.runtime.operators.sort.SortedDataFile;
import org.apache.flink.runtime.operators.sort.SortedDataFileFactory;
import org.apache.flink.runtime.plugable.SerializationDelegate;
import java.io.File;
import java.io.IOException;
import java.util.List;
/**
* Factory to create BufferSortedDataFile.
*/
public class BufferSortedDataFileFactory implements SortedDataFileFactory {
private final String partitionDataRootPath;
private final TypeSerializer serialize;
private final IOManager ioManager;
private final SerializerManager> serializerManager;
private final Counter numBytesOut;
private final Counter numBuffersOut;
private int nextFileId;
public BufferSortedDataFileFactory(String partitionDataRootPath, TypeSerializer serialize, IOManager ioManager,
SerializerManager> serializerManager, Counter numBytesOut, Counter numBuffersOut) {
this.partitionDataRootPath = partitionDataRootPath;
this.serialize = serialize;
this.ioManager = ioManager;
this.serializerManager = serializerManager;
this.numBytesOut = numBytesOut;
this.numBuffersOut = numBuffersOut;
}
@Override
public SortedDataFile createFile(List writeMemory) throws IOException {
int fileId = nextFileId++;
String path = ExternalBlockShuffleUtils.generateSpillPath(partitionDataRootPath, fileId);
return new BufferSortedDataFile(ioManager.createChannel(new File(path)), fileId, serialize, ioManager,
writeMemory, serializerManager, numBytesOut, numBuffersOut);
}
}