forked from apache/druid
/
CliRealtimeExample.java
183 lines (161 loc) · 4.76 KB
/
CliRealtimeExample.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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets licenses this file
* to you 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 io.druid.cli;
import com.google.common.collect.ImmutableList;
import com.google.inject.Binder;
import com.google.inject.Inject;
import com.google.inject.Module;
import com.google.inject.name.Names;
import io.airlift.airline.Command;
import io.druid.client.DruidServer;
import io.druid.client.InventoryView;
import io.druid.client.ServerView;
import io.druid.guice.LazySingleton;
import io.druid.guice.RealtimeModule;
import io.druid.java.util.common.logger.Logger;
import io.druid.query.lookup.LookupModule;
import io.druid.segment.loading.DataSegmentPusher;
import io.druid.server.coordination.DataSegmentAnnouncer;
import io.druid.server.initialization.jetty.ChatHandlerServerModule;
import io.druid.timeline.DataSegment;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.Executor;
/**
*/
@Command(
name = "realtime",
description = "Runs a standalone realtime node for examples, see http://druid.io/docs/latest/Realtime.html for a description"
)
public class CliRealtimeExample extends ServerRunnable
{
private static final Logger log = new Logger(CliBroker.class);
@Inject
private Properties properties;
public CliRealtimeExample()
{
super(log);
}
@Override
protected List<? extends Module> getModules()
{
return ImmutableList.of(
new RealtimeModule(),
new Module()
{
@Override
public void configure(Binder binder)
{
binder.bindConstant().annotatedWith(Names.named("serviceName")).to("druid/realtime");
binder.bindConstant().annotatedWith(Names.named("servicePort")).to(8084);
binder.bind(DataSegmentPusher.class).to(NoopDataSegmentPusher.class).in(LazySingleton.class);
binder.bind(DataSegmentAnnouncer.class).to(NoopDataSegmentAnnouncer.class).in(LazySingleton.class);
binder.bind(InventoryView.class).to(NoopInventoryView.class).in(LazySingleton.class);
binder.bind(ServerView.class).to(NoopServerView.class).in(LazySingleton.class);
}
},
new ChatHandlerServerModule(properties),
new LookupModule()
);
}
private static class NoopServerView implements ServerView
{
@Override
public void registerServerCallback(
Executor exec, ServerCallback callback
)
{
// do nothing
}
@Override
public void registerSegmentCallback(
Executor exec, SegmentCallback callback
)
{
// do nothing
}
}
private static class NoopInventoryView implements InventoryView
{
@Override
public DruidServer getInventoryValue(String string)
{
return null;
}
@Override
public Iterable<DruidServer> getInventory()
{
return ImmutableList.of();
}
@Override
public boolean isStarted()
{
return true;
}
@Override
public boolean isSegmentLoadedByServer(String serverKey, DataSegment segment)
{
return false;
}
}
private static class NoopDataSegmentPusher implements DataSegmentPusher
{
@Override
public String getPathForHadoop()
{
return "noop";
}
@Deprecated
@Override
public String getPathForHadoop(String dataSource)
{
return getPathForHadoop();
}
@Override
public DataSegment push(File file, DataSegment segment) throws IOException
{
return segment;
}
}
private static class NoopDataSegmentAnnouncer implements DataSegmentAnnouncer
{
@Override
public void announceSegment(DataSegment segment) throws IOException
{
// do nothing
}
@Override
public void unannounceSegment(DataSegment segment) throws IOException
{
// do nothing
}
@Override
public void announceSegments(Iterable<DataSegment> segments) throws IOException
{
// do nothing
}
@Override
public void unannounceSegments(Iterable<DataSegment> segments) throws IOException
{
// do nothing
}
}
}