All Downloads are FREE. Search and download functionalities are using the official Maven repository.

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

Go to download

The newest version!
package redis.clients.jedis;

import redis.clients.jedis.exceptions.JedisDataException;

import java.util.ArrayList;
import java.util.List;

public class Pipeline extends MultiKeyPipelineBase {
	
    private MultiResponseBuilder currentMulti;
    
    private class MultiResponseBuilder extends Builder>{
    	private List> responses = new ArrayList>();
		
		@Override
		public List build(Object data) {
			@SuppressWarnings("unchecked")
			List list = (List)data;
			List values = new ArrayList();
			
			if(list.size() != responses.size()){
				throw new JedisDataException("Expected data size " + responses.size() + " but was " + list.size());
			}
			
			for(int i=0;i response = responses.get(i);
				response.set(list.get(i));
				values.add(response.get());
			}
			return values;
		}

		public void addResponse(Response response){
			responses.add(response);
		}
    }

    @Override
    protected  Response getResponse(Builder builder) {
    	if(currentMulti != null){
    		super.getResponse(BuilderFactory.STRING); //Expected QUEUED
    		
    		Response lr = new Response(builder);
    		currentMulti.addResponse(lr);
    		return lr;
    	}
    	else{
    		return super.getResponse(builder);
    	}
    }

    public void setClient(Client client) {
        this.client = client;
    }

    @Override
    protected Client getClient(byte[] key) {
        return client;
    }

    @Override
    protected Client getClient(String key) {
        return client;
    }

    /**
     * Syncronize pipeline by reading all responses. This operation close the
     * pipeline. In order to get return values from pipelined commands, capture
     * the different Response of the commands you execute.
     */
    public void sync() {
        List unformatted = client.getAll();
        for (Object o : unformatted) {
            generateResponse(o);
        }
    }

    /**
     * Syncronize pipeline by reading all responses. This operation close the
     * pipeline. Whenever possible try to avoid using this version and use
     * Pipeline.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 unformatted = client.getAll();
        List formatted = new ArrayList();
        
        for (Object o : unformatted) {
            try {
            	formatted.add(generateResponse(o).get());
            } catch (JedisDataException e) {
                formatted.add(e);
            }
        }
        return formatted;
    }

    public Response discard() {
        client.discard();
        currentMulti = null;
        return getResponse(BuilderFactory.STRING);
    }

    public Response> exec() {
        client.exec();
        Response> response = super.getResponse(currentMulti);
        currentMulti = null;
        return response;
    }

    public Response multi() {
        client.multi();
        Response response = getResponse(BuilderFactory.STRING); //Expecting OK
        currentMulti = new MultiResponseBuilder();
        return response;
    }

}
 















© 2015 - 2024 Weber Informatics LLC | Privacy Policy