hadoop RawErasureCoderFactory 源码
haddop RawErasureCoderFactory 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/erasurecode/rawcoder/RawErasureCoderFactory.java
/**
* 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.hadoop.io.erasurecode.rawcoder;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.io.erasurecode.ErasureCoderOptions;
/**
* Raw erasure coder factory that can be used to create raw encoder and decoder.
* It helps in configuration since only one factory class is needed to be
* configured.
*/
@InterfaceAudience.Private
public interface RawErasureCoderFactory {
/**
* Create raw erasure encoder.
* @param coderOptions the options used to create the encoder
* @return raw erasure encoder
*/
RawErasureEncoder createEncoder(ErasureCoderOptions coderOptions);
/**
* Create raw erasure decoder.
* @param coderOptions the options used to create the encoder
* @return raw erasure decoder
*/
RawErasureDecoder createDecoder(ErasureCoderOptions coderOptions);
/**
* Get the name of the coder.
* @return coder name
*/
String getCoderName();
/**
* Get the name of its codec.
* @return codec name
*/
String getCodecName();
}
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