forked from actframework/actframework
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathAppManager.java
More file actions
154 lines (131 loc) · 3.98 KB
/
AppManager.java
File metadata and controls
154 lines (131 loc) · 3.98 KB
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
package act.app;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* 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.
* #L%
*/
import act.Act;
import act.internal.util.AppDescriptor;
import act.util.DestroyableBase;
import org.osgl.$;
import org.osgl.util.C;
import org.osgl.util.E;
import javax.enterprise.context.ApplicationScoped;
import java.util.Iterator;
import java.util.Map;
import static act.Destroyable.Util.tryDestroyAll;
/**
* Manage applications deployed on Act
*
* TODO: get rid of multi-tenant support
*/
public class AppManager extends DestroyableBase {
private Map<Integer, App> byPort = C.newMap();
private AppManager() {
}
@Override
protected void releaseResources() {
tryDestroyAll(byPort.values(), ApplicationScoped.class);
byPort = null;
}
public AppManager loadSingleApp(AppDescriptor descriptor) {
AppScanner.SINGLE_APP_SCANNER.scan(descriptor, _F.loadApp(this));
return this;
}
public void deploy(App app) {
load(app);
refresh(app);
}
public void refresh() {
Iterator<App> itr = appIterator();
while (itr.hasNext()) {
refresh(itr.next());
}
}
public void refresh(App app) {
app.refresh();
}
public void load(App app) {
app.build();
app.refresh();
int port = app.config().httpPort();
E.invalidConfigurationIf(port < 0, "Invalid http.port configuration: %s", port);
loadIntoPortMap(port, app);
app.hook();
}
public boolean unload(App app) {
return unloadApp(app, byPort);
}
private boolean unloadApp(App app, Map<?, App> map) {
for (Map.Entry<?, App> entry : map.entrySet()) {
if (app == entry.getValue()) {
app.destroy();
map.remove(entry.getKey());
return true;
}
}
return false;
}
private void loadIntoPortMap(int port, App app) {
App app0 = byPort.get(port);
if (null != app0) {
E.invalidConfigurationIf(!app.equals(app0), "Another application has already been deployed using port %s", port);
} else {
byPort.put(port, app);
}
}
private Iterator<App> appIterator() {
final Iterator<App> itrByPort = byPort.values().iterator();
return new Iterator<App>() {
boolean byPortFinished = !itrByPort.hasNext();
@Override
public boolean hasNext() {
if (!byPortFinished) {
byPortFinished = !itrByPort.hasNext();
}
return !byPortFinished;
}
@Override
public App next() {
return byPortFinished ? null : itrByPort.next();
}
@Override
public void remove() {
E.unsupport();
}
};
}
public static AppManager create() {
return new AppManager();
}
private enum _F {
;
static final $.F1<App, ?> loadApp(final AppManager mgr) {
return new $.Visitor<App>() {
@Override
public void visit(App app) throws $.Break {
try {
mgr.load(app);
} catch (RuntimeException e) {
Act.shutdown(app);
throw e;
}
}
};
}
}
}