/
PlayJobsService.java
161 lines (138 loc) · 4.2 KB
/
PlayJobsService.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/**
* Copyright 2011 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @author Felipe Oliveira (http://mashup.fm)
*
*/
package play.modules.jobs;
import static play.modules.jobs.util.Exceptions.logError;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
// import javax.ws.rs.GET;
// import javax.ws.rs.Path;
// import javax.ws.rs.PathParam;
// import javax.ws.rs.Produces;
import org.apache.commons.lang.StringUtils;
import play.Logger;
import play.Play;
import play.classloading.ApplicationClasses.ApplicationClass;
import play.exceptions.UnexpectedException;
import play.jobs.Job;
import play.jobs.JobsPlugin;
import play.modules.jobs.PlayJobs.JobEntry;
/**
* The Class JobsService.
*/
// @Path("/jobs")
public class PlayJobsService {
/**
* Gets the scheduled jobs.
*
* @return the scheduled jobs
*/
// @GET
// @Path("/list")
// @Produces("application/json")
public PlayJobs getJobs() {
// Get Jobs Plugin
JobsPlugin plugin = Play.plugin(JobsPlugin.class);
if (plugin == null) {
throw new UnexpectedException("Cannot load jobs plugin!");
}
// Get Metrics
int poolSize = plugin.executor.getPoolSize();
int activeCount = plugin.executor.getActiveCount();
long scheduledTaskCount = plugin.executor.getTaskCount();
int queueSize = plugin.executor.getPoolSize();
// Get Scheduled Jobs
List<JobEntry> jobEntries = new ArrayList<JobEntry>();
List<ApplicationClass> classes = Play.classes.all();
if (classes != null) {
// Wrap Pojos
for (Class clazz : Play.classloader.getAllClasses()) {
if ((clazz != null) && Job.class.isAssignableFrom(clazz)) {
jobEntries.add(new JobEntry(clazz));
}
}
}
// Create Data Container
PlayJobs jobs = new PlayJobs(poolSize, activeCount, scheduledTaskCount, queueSize, jobEntries);
Logger.info("Scheduled Jobs: %s", jobs);
// Return Schedule Jobs
return jobs;
}
/**
* Trigger.
*
* @param jobClass
* the job class
*/
// @GET
// @Path("/trigger/{jobClass}/${instances}")
// @Produces("application/json")
public void triggerJob(String jobClass, Integer instances) {
// Jobs Plugin
Play.plugin(JobsPlugin.class);
// Check Job Class
if (StringUtils.isBlank(jobClass)) {
throw new RuntimeException("Invalid Job Class!");
}
// Check Number of Instances
if (instances == null) {
instances = 1;
}
if (instances < 1) {
instances = 1;
}
// Log Debug
Logger.info("Trigger Job - Class: %s, Number of Instances: %s", jobClass, instances);
// Trigger Job(s)
try {
// Define Class
Class clazz = Play.classloader.getClassIgnoreCase(jobClass);
if (clazz == null) {
throw new RuntimeException("Invalid Job Class: " + jobClass);
}
// Define Executor Service
ExecutorService executor = Executors.newFixedThreadPool(instances);
// Loop on number of instances needed
int count = 0;
for (int i = 0; i < instances; i++) {
// Add Count (I don't like to mix with "i" to avoid causing bugs
// when code gets refactored or something that I can't predict)
count = count + 1;
// Create Instance
Object o = clazz.newInstance();
// Check Instance Type
if ((o instanceof Job) == false) {
throw new RuntimeException("Invalid Class Instance: " + o);
}
// Log Debug
Logger.info("Triggering Job: %s", o);
// Fire Job
Job job = (Job) o;
executor.submit((Callable) job);
Logger.info("%s) Triggered Job: %s", count, job);
}
} catch (Throwable t) {
// Job wasn't found
logError(t);
throw new UnexpectedException(String.format("Couldn't trigger job: %s", jobClass));
}
}
}