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

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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 abstract void onMessage(byte[] channel, byte[] message);

    public abstract void onPMessage(byte[] pattern, byte[] channel,
            byte[] message);

    public abstract void onSubscribe(byte[] channel, int subscribedChannels);

    public abstract void onUnsubscribe(byte[] channel, int subscribedChannels);

    public abstract void onPUnsubscribe(byte[] pattern, int subscribedChannels);

    public abstract 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);
        process(client);
    }

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

    private void process(Client client) {
        do {
            List