blob: 5bcc9975b8c5f0a4c3170ac0cced69b96801aec1 (
plain)
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
|
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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 org.elasticsearch.script;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.elasticsearch.common.settings.ClusterSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.plugins.ScriptPlugin;
/**
* Manages building {@link ScriptService}.
*/
public class ScriptModule {
private final ScriptService scriptService;
public ScriptModule(Settings settings, List<ScriptPlugin> scriptPlugins) {
Map<String, ScriptEngine> engines = new HashMap<>();
Map<String, ScriptContext<?>> contexts = new HashMap<>(ScriptContext.BUILTINS);
for (ScriptPlugin plugin : scriptPlugins) {
for (ScriptContext context : plugin.getContexts()) {
ScriptContext oldContext = contexts.put(context.name, context);
if (oldContext != null) {
throw new IllegalArgumentException("Context name [" + context.name + "] defined twice");
}
}
ScriptEngine engine = plugin.getScriptEngine(settings);
if (engine != null) {
ScriptEngine existing = engines.put(engine.getType(), engine);
if (existing != null) {
throw new IllegalArgumentException("scripting language [" + engine.getType() + "] defined for engine [" +
existing.getClass().getName() + "] and [" + engine.getClass().getName());
}
}
}
scriptService = new ScriptService(settings, Collections.unmodifiableMap(engines), Collections.unmodifiableMap(contexts));
}
/**
* Service responsible for managing scripts.
*/
public ScriptService getScriptService() {
return scriptService;
}
/**
* Allow the script service to register any settings update handlers on the cluster settings
*/
public void registerClusterSettingsListeners(ClusterSettings clusterSettings) {
scriptService.registerClusterSettingsListeners(clusterSettings);
}
}
|
