org.apache.flink.runtime.io.network.partition.external.PersistentFileType 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;
/**
* Type of files created by a result partition.
*/
public enum PersistentFileType {
/**
* Undefined external file type
*/
UNDEFINED,
/**
* Persistent file generated by hash writer. For this type, each subpartition has a
* standalone data file.
*/
HASH_PARTITION_FILE,
/**
* Persistent file generated by spill-merge writer. For this type, all the data files
* contain data from different subpartitions, and the data belongs to the same partition
* is stored continuously.
*/
MERGED_PARTITION_FILE,
}