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1
6
7 package org.jfox.ioc.common;
8
9 import org.jfox.ioc.annotation.Managable;
10 import org.jfox.ioc.ext.ServicableComponent;
11
12
15
16 public abstract class AbstractService extends AbstractComponent implements ServicableComponent, Runnable  {
17
18
19 public AbstractService() {
20 super();
21 }
22
23 public AbstractService(String name) {
24 super(name);
25 }
26
27 public boolean isStarted() {
28 return state == State.STARTED || state == State.STARTING;
29 }
30
31 @Managable
32 public void start() throws Exception {
33 if(!State.canStart(state)) {
34 logger.warn(name + " can not start, state = " + state);
35 return;
36 }
37
38 logger.info("starting...");
39
40 state = State.STARTING;
41
42 try {
43 doStart();
44 }
45 catch(Exception e) {
46 state = State.INTERRUPTED;
47 logger.error("starting failed", e);
48 throw e;
49 }
50 state = State.STARTED;
51 logger.info("started.");
52 }
53
54 @Managable
55 public void stop() throws Exception {
56 if(!State.canStop(state)) {
57 logger.warn(name + " can not stop, state = " + state);
58 return;
59 }
60
61 logger.info("stopping...");
62
63 state = State.STOPPING;
64
65 try {
66 doStop();
67 }
68 catch(Exception e) {
69 state = State.INTERRUPTED;
70 logger.error("stopping failed", e);
71 throw e;
72 }
73 state = State.STOPPED;
74 logger.info("stopped");
75
76 }
77
78
81 protected abstract void doStart() throws Exception ;
82
83
86 protected abstract void doStop() throws Exception ;
87
88 }
89
90 |
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