// Copyright (C) 2011 - Will Glozer. All rights reserved.
package com.lambdaworks.redis.output;
import java.nio.ByteBuffer;
import com.lambdaworks.redis.codec.RedisCodec;
/**
* Streaming-Output of Key Value Pairs. Returns the count of all Key-Value pairs (including null).
*
* @param <K> Key type.
* @param <V> Value type.
*
* @author Mark Paluch
*/
public class KeyValueStreamingOutput<K, V> extends CommandOutput<K, V, Long> {
private K key;
private KeyValueStreamingChannel<K, V> channel;
public KeyValueStreamingOutput(RedisCodec<K, V> codec, KeyValueStreamingChannel<K, V> channel) {
super(codec, Long.valueOf(0));
this.channel = channel;
}
@Override
public void set(ByteBuffer bytes) {
if (key == null) {
key = codec.decodeKey(bytes);
return;
}
V value = (bytes == null) ? null : codec.decodeValue(bytes);
channel.onKeyValue(key, value);
output = output.longValue() + 1;
key = null;
}
}