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
|
// Copyright (C) 2009 The Android Open Source Project
//
// 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.
package com.google.gerrit.server.config;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.SECONDS;
import com.google.gerrit.extensions.events.LifecycleListener;
import com.google.gerrit.lifecycle.LifecycleModule;
import com.google.gerrit.server.git.ReloadSubmitQueueOp;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.eclipse.jgit.lib.Config;
import java.util.concurrent.ScheduledFuture;
/** Configuration for a master node in a cluster of servers. */
public class MasterNodeStartup extends LifecycleModule {
@Override
public void configure() {
listener().to(Lifecycle.class);
}
@Singleton
static class Lifecycle implements LifecycleListener {
private static final int INITIAL_DELAY_S = 15;
private final ReloadSubmitQueueOp.Factory submit;
private final long delay;
private volatile ScheduledFuture<?> handle;
@Inject
Lifecycle(ReloadSubmitQueueOp.Factory submit,
@GerritServerConfig Config config) {
this.submit = submit;
this.delay = ConfigUtil.getTimeUnit(config,
"changeMerge", null, "checkFrequency",
SECONDS.convert(5, MINUTES), SECONDS);
}
@Override
public void start() {
if (delay > 0) {
handle = submit.create()
.startWithFixedDelay(INITIAL_DELAY_S, delay, SECONDS);
} else {
handle = submit.create().start(INITIAL_DELAY_S, SECONDS);
}
}
@Override
public void stop() {
ScheduledFuture<?> f = handle;
if (f != null) {
handle = null;
f.cancel(true);
}
}
}
}
|
