HADOOP-11707. Add factory to create raw erasure coder. Contributed by Kai Zheng
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HADOOP-11706. Refine a little bit erasure coder API. Contributed by Kai Zheng
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( Kai Zheng )
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HADOOP-11707. Add factory to create raw erasure coder. Contributed by Kai Zheng
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( Kai Zheng )
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.io.erasurecode.rawcoder;
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/**
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* A raw coder factory for raw Reed-Solomon coder in Java.
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*/
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public class JRSRawErasureCoderFactory implements RawErasureCoderFactory {
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@Override
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public RawErasureEncoder createEncoder() {
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return new JRSRawEncoder();
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}
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@Override
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public RawErasureDecoder createDecoder() {
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return new JRSRawDecoder();
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}
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}
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.io.erasurecode.rawcoder;
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/**
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* Raw erasure coder factory that can be used to create raw encoder and decoder.
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* It helps in configuration since only one factory class is needed to be
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* configured.
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*/
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public interface RawErasureCoderFactory {
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/**
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* Create raw erasure encoder.
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* @return raw erasure encoder
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*/
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public RawErasureEncoder createEncoder();
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/**
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* Create raw erasure decoder.
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* @return raw erasure decoder
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*/
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public RawErasureDecoder createDecoder();
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}
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@ -0,0 +1,34 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.io.erasurecode.rawcoder;
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/**
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* A raw coder factory for raw XOR coder.
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*/
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public class XorRawErasureCoderFactory implements RawErasureCoderFactory {
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@Override
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public RawErasureEncoder createEncoder() {
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return new XorRawEncoder();
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}
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@Override
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public RawErasureDecoder createDecoder() {
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return new XorRawDecoder();
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}
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}
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