org.apache.flink.runtime.state.gemini.engine.page.compress.GCompressAlgorithm 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,
* 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.state.gemini.engine.page.compress;
/**
* GCompressAlgorithm.
*/
public enum GCompressAlgorithm {
None((byte) 1){
@Override
public CompressorCodec getCompressorCodec() {
return null;
}
},
Lz4((byte) 2){
private ThreadLocal compressorCodecThreadLocal = ThreadLocal.withInitial(() -> new LZ4CompressorCodec());
@Override
public CompressorCodec getCompressorCodec() {
return compressorCodecThreadLocal.get();
}
},
Snappy((byte) 3){
private ThreadLocal compressorCodecThreadLocal = ThreadLocal.withInitial(() -> new SnappyCompressorCodec());
@Override
public CompressorCodec getCompressorCodec() {
return compressorCodecThreadLocal.get();
}
};
private final byte code;
GCompressAlgorithm(final byte c) {
this.code = c;
}
public byte getCode() {
return this.code;
}
public static GCompressAlgorithm valueOf(byte gvalueType) {
switch (gvalueType) {
case 1:
return None;
case 2:
return Lz4;
case 3:
return Snappy;
default:
return None;
}
}
public abstract CompressorCodec getCompressorCodec();
}