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    • org.redisson.client.codec.BitSetCodec Maven / Gradle / Ivy

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    Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC

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    /**
 * Copyright (c) 2013-2024 Nikita Koksharov
 *
 * 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 org.redisson.client.codec;

import java.util.BitSet;

import org.redisson.client.handler.State;
import org.redisson.client.protocol.Decoder;
import org.redisson.client.protocol.Encoder;

import io.netty.buffer.ByteBuf;

/**
 * 
 * @author Nikita Koksharov
 *
 */
@Deprecated
public class BitSetCodec implements Codec {

    public static final BitSetCodec INSTANCE = new BitSetCodec();

    private final Decoder decoder = new Decoder() {
        @Override
        public Object decode(ByteBuf buf, State state) {
            byte[] result = new byte[buf.readableBytes()];
            buf.readBytes(result);
            return fromByteArrayReverse(result);
        }
    };

    private static BitSet fromByteArrayReverse(byte[] bytes) {
        BitSet bits = new BitSet();
        for (int i = 0; i < bytes.length * 8; i++) {
            if ((bytes[i / 8] & (1 << (7 - (i % 8)))) != 0) {
                bits.set(i);
            }
        }
        return bits;
    }

    @Override
    public Decoder getValueDecoder() {
        return decoder;
    }

    @Override
    public Encoder getValueEncoder() {
        throw new UnsupportedOperationException();
    }

    @Override
    public Decoder getMapValueDecoder() {
        throw new UnsupportedOperationException();
    }

    @Override
    public Encoder getMapValueEncoder() {
        throw new UnsupportedOperationException();
    }

    @Override
    public Decoder getMapKeyDecoder() {
        throw new UnsupportedOperationException();
    }

    @Override
    public Encoder getMapKeyEncoder() {
        throw new UnsupportedOperationException();
    }

    @Override
    public ClassLoader getClassLoader() {
        return getClass().getClassLoader();
    }

}
    
    
    
    

    




    
    
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