|
| 1 | +package com.zhangyingwei.cockroach.queue; |
| 2 | + |
| 3 | +import com.zhangyingwei.cockroach.executer.task.Task; |
| 4 | +import com.zhangyingwei.cockroach.queue.filter.IQueueTaskFilter; |
| 5 | +import net.sf.json.JSONObject; |
| 6 | +import redis.clients.jedis.Jedis; |
| 7 | + |
| 8 | +import java.util.List; |
| 9 | +import java.util.stream.Collectors; |
| 10 | + |
| 11 | +/** |
| 12 | + * Created by zhangyw on 2018/2/27. |
| 13 | + */ |
| 14 | +public class RedisTaskQueue extends AbstractCockroachQueue { |
| 15 | + private String key; |
| 16 | + private String faildKey; |
| 17 | + private Jedis jedis; |
| 18 | + |
| 19 | + public RedisTaskQueue(String host, Integer port,String key) { |
| 20 | + this.key = key; |
| 21 | + this.jedis = new Jedis(host, port); |
| 22 | + } |
| 23 | + |
| 24 | + public static RedisTaskQueue of(String host, Integer port,String key){ |
| 25 | + return new RedisTaskQueue(host,port,key); |
| 26 | + } |
| 27 | + |
| 28 | + @Override |
| 29 | + public synchronized Task poll() throws Exception { |
| 30 | + String json = this.jedis.rpop(this.key); |
| 31 | + JSONObject jsonObject = JSONObject.fromObject(json); |
| 32 | + return (Task) JSONObject.toBean(jsonObject, Task.class); |
| 33 | + } |
| 34 | + |
| 35 | + @Override |
| 36 | + public synchronized Task take() throws Exception { |
| 37 | + List<String> json = this.jedis.brpop(Integer.MAX_VALUE,this.key); |
| 38 | + JSONObject jsonObject = JSONObject.fromObject(json.get(1)); |
| 39 | + return (Task) JSONObject.toBean(jsonObject, Task.class); |
| 40 | + } |
| 41 | + |
| 42 | + @Override |
| 43 | + public void push(Task task) throws Exception { |
| 44 | + this.push(task,true); |
| 45 | + } |
| 46 | + |
| 47 | + @Override |
| 48 | + public void push(Task task, Boolean withFilter) throws Exception { |
| 49 | + if (withFilter) { |
| 50 | + if (super.filterBox.accept(task)) { |
| 51 | + JSONObject json = JSONObject.fromObject(task); |
| 52 | + this.jedis.lpush(this.key, json.toString()); |
| 53 | + } |
| 54 | + } else { |
| 55 | + JSONObject json = JSONObject.fromObject(task); |
| 56 | + this.jedis.lpush(this.key, json.toString()); |
| 57 | + } |
| 58 | + } |
| 59 | + |
| 60 | + @Override |
| 61 | + public void falied(Task task) throws Exception { |
| 62 | + JSONObject json = JSONObject.fromObject(task); |
| 63 | + this.jedis.lpush(this.faildKey, json.toString()); |
| 64 | + } |
| 65 | + |
| 66 | + @Override |
| 67 | + public void pushAll(List<Task> tasks) throws Exception { |
| 68 | + for (Task task : tasks) { |
| 69 | + push(task); |
| 70 | + } |
| 71 | + } |
| 72 | + |
| 73 | + @Override |
| 74 | + public void push(List<String> urls) throws Exception { |
| 75 | + List<Task> tasks = urls.stream().map(url -> { |
| 76 | + return new Task(url); |
| 77 | + }).collect(Collectors.toList()); |
| 78 | + pushAll(tasks); |
| 79 | + } |
| 80 | + |
| 81 | + @Override |
| 82 | + public void clear() throws Exception { |
| 83 | + this.jedis.del(this.key); |
| 84 | + this.jedis.del(this.faildKey); |
| 85 | + } |
| 86 | + |
| 87 | + @Override |
| 88 | + public Boolean isEmpty() { |
| 89 | + long size = this.jedis.llen(this.key); |
| 90 | + long faildSize = this.jedis.llen(this.faildKey); |
| 91 | + return size + faildSize == 0; |
| 92 | + } |
| 93 | +} |
0 commit comments