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    • redis.clients.jedis.ShardedJedisPipeline Maven / Gradle / Ivy

    The newest version!
    package redis.clients.jedis;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;

public class ShardedJedisPipeline extends PipelineBase {
    private BinaryShardedJedis jedis;
    private List results = new ArrayList();
    private Queue clients = new LinkedList();

    private static class FutureResult {
        private Client client;

        public FutureResult(Client client) {
            this.client = client;
        }

        public Object get() {
            return client.getOne();
        }
    }

    public void setShardedJedis(BinaryShardedJedis jedis) {
        this.jedis = jedis;
    }

    public List getResults() {
        List r = new ArrayList();
        for (FutureResult fr : results) {
            r.add(fr.get());
        }
        return r;
    }

    /**
     * Syncronize pipeline by reading all responses. This operation closes the
     * pipeline. In order to get return values from pipelined commands, capture
     * the different Response<?> of the commands you execute.
     */
    public void sync() {
        for (Client client : clients) {
            generateResponse(client.getOne());
        }
    }

    /**
     * Syncronize pipeline by reading all responses. This operation closes the
     * pipeline. Whenever possible try to avoid using this version and use
     * ShardedJedisPipeline.sync() as it won't go through all the responses and generate the
     * right response type (usually it is a waste of time).
     *
     * @return A list of all the responses in the order you executed them.
     */
    public List syncAndReturnAll() {
        List formatted = new ArrayList();
        for (Client client : clients) {
            formatted.add(generateResponse(client.getOne()).get());
        }
        return formatted;
    }

    /**
     * This method will be removed in Jedis 3.0. Use the methods that return Response's and call
     * sync().
     */
    @Deprecated
    public void execute() {
    }

    @Override
    protected Client getClient(String key) {
        Client client = jedis.getShard(key).getClient();
        clients.add(client);
        results.add(new FutureResult(client));
        return client;
    }

    @Override
    protected Client getClient(byte[] key) {
        Client client = jedis.getShard(key).getClient();
        clients.add(client);
        results.add(new FutureResult(client));
        return client;
    }
}    
    
    
    

    




    
    
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