io.datarouter.binarydto.fieldcodec.array.ByteArrayBinaryDtoFieldCodec Maven / Gradle / Ivy
/*
* 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.binarydto.fieldcodec.array;
import java.util.Arrays;
import io.datarouter.binarydto.fieldcodec.BinaryDtoBaseFieldCodec;
/**
* Bytes are stored without transformation.
*
* When comparing:
* - shortest arrays are first due to the length prefix
* - positive values are before negative values due to unsigned comparison
*/
public class ByteArrayBinaryDtoFieldCodec extends BinaryDtoBaseFieldCodec{
@Override
public boolean supportsComparableCodec(){
return true;
}
@Override
public byte[] encode(byte[] value){
return value;
}
@Override
public byte[] decode(byte[] bytes, int offset, int length){
return Arrays.copyOfRange(bytes, offset, offset + length);
}
@Override
public int compareAsIfEncoded(byte[] left, byte[] right){
return Arrays.compareUnsigned(left, right);
}
}