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Advanced and thread-safe Java Redis client for synchronous, asynchronous, and reactive usage. Supports Cluster, Sentinel, Pipelining, Auto-Reconnect, Codecs and much more.

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package io.lettuce.core.output;

import java.nio.ByteBuffer;

import io.lettuce.core.codec.RedisCodec;

/**
 * Streaming-Output of Values. Returns the count of all values (including null).
 *
 * @param  Key type.
 * @param  Value type.
 * @author Mark Paluch
 */
public class ValueStreamingOutput extends CommandOutput {

    private final ValueStreamingChannel channel;

    public ValueStreamingOutput(RedisCodec codec, ValueStreamingChannel channel) {
        super(codec, Long.valueOf(0));
        this.channel = channel;
    }

    @Override
    public void set(ByteBuffer bytes) {

        channel.onValue(bytes == null ? null : codec.decodeValue(bytes));
        output = output.longValue() + 1;
    }

}