redis.clients.jedis.BinaryJedisPubSub Maven / Gradle / Ivy

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Jedis is a blazingly small and sane Redis java client.

There is a newer version: 5.3.0-beta1

package redis.clients.jedis;

import static redis.clients.jedis.Protocol.Keyword.MESSAGE;
import static redis.clients.jedis.Protocol.Keyword.PMESSAGE;
import static redis.clients.jedis.Protocol.Keyword.PSUBSCRIBE;
import static redis.clients.jedis.Protocol.Keyword.PUNSUBSCRIBE;
import static redis.clients.jedis.Protocol.Keyword.SUBSCRIBE;
import static redis.clients.jedis.Protocol.Keyword.UNSUBSCRIBE;

import java.util.Arrays;
import java.util.List;

import redis.clients.jedis.exceptions.JedisException;

public abstract class BinaryJedisPubSub {
  private int subscribedChannels = 0;
  private Client client;

  public void onMessage(byte[] channel, byte[] message) {
  }

  public void onPMessage(byte[] pattern, byte[] channel, byte[] message) {
  }

  public void onSubscribe(byte[] channel, int subscribedChannels) {
  }

  public void onUnsubscribe(byte[] channel, int subscribedChannels) {
  }

  public void onPUnsubscribe(byte[] pattern, int subscribedChannels) {
  }

  public void onPSubscribe(byte[] pattern, int subscribedChannels) {
  }

  public void unsubscribe() {
    client.unsubscribe();
    client.flush();
  }

  public void unsubscribe(byte[]... channels) {
    client.unsubscribe(channels);
    client.flush();
  }

  public void subscribe(byte[]... channels) {
    client.subscribe(channels);
    client.flush();
  }

  public void psubscribe(byte[]... patterns) {
    client.psubscribe(patterns);
    client.flush();
  }

  public void punsubscribe() {
    client.punsubscribe();
    client.flush();
  }

  public void punsubscribe(byte[]... patterns) {
    client.punsubscribe(patterns);
    client.flush();
  }

  public boolean isSubscribed() {
    return subscribedChannels > 0;
  }

  public void proceedWithPatterns(Client client, byte[]... patterns) {
    this.client = client;
    client.psubscribe(patterns);
    client.flush();
    process(client);
  }

  public void proceed(Client client, byte[]... channels) {
    this.client = client;
    client.subscribe(channels);
    client.flush();
    process(client);
  }

  private void process(Client client) {
    do {
      List