package com.lambdaworks.redis.output;
import java.nio.ByteBuffer;
import com.lambdaworks.redis.StreamScanCursor;
import com.lambdaworks.redis.codec.RedisCodec;
/**
* Streaming API for multiple Keys. You can implement this interface in order to receive a call to <code>onKey</code> on every
* key. Key uniqueness is not guaranteed.
*
* @param <K> Key type.
* @param <V> Value type.
* @author <a href="mailto:mpaluch@paluch.biz">Mark Paluch</a>
*/
public class KeyScanStreamingOutput<K, V> extends ScanOutput<K, V, StreamScanCursor> {
private final KeyStreamingChannel<K> channel;
public KeyScanStreamingOutput(RedisCodec<K, V> codec, KeyStreamingChannel<K> channel) {
super(codec, new StreamScanCursor());
this.channel = channel;
}
@Override
protected void setOutput(ByteBuffer bytes) {
channel.onKey(bytes == null ? null : codec.decodeKey(bytes));
output.setCount(output.getCount() + 1);
}
}