io.datarouter.filesystem.snapshot.compress.BlockCompressorRegistry Maven / Gradle / Ivy
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/*
* Copyright © 2009 HotPads ([email protected])
*
* Licensed 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 io.datarouter.filesystem.snapshot.compress;
import java.util.HashMap;
import java.util.Map;
import io.datarouter.util.Require;
import io.datarouter.util.lang.ReflectionTool;
import jakarta.inject.Singleton;
@Singleton
public class BlockCompressorRegistry{
private final Map> blockCompressorByName;
public BlockCompressorRegistry(){
this.blockCompressorByName = new HashMap<>();
//register built-in types
register(PassthroughBlockCompressor.NAME, PassthroughBlockCompressor.class);
register(ChecksumBlockCompressor.NAME, ChecksumBlockCompressor.class);
register(GzipBlockCompressor.NAME, GzipBlockCompressor.class);
}
public BlockCompressorRegistry register(String name, Class extends BlockCompressor> blockCompressorClass){
Require.notContains(blockCompressorByName.keySet(), name);
blockCompressorByName.put(name, blockCompressorClass);
return this;
}
public Class extends BlockCompressor> getClass(String name){
return blockCompressorByName.get(name);
}
public BlockCompressor create(String name){
Class extends BlockCompressor> blockCompressorClass = getClass(name);
return ReflectionTool.create(blockCompressorClass);
}
}