import org.elasticsearch.plugins.ScriptPlugin; //导入依赖的package包/类
ScriptModule createScriptModule(List<ScriptPlugin> scriptPlugins) {
    if (scriptPlugins == null || scriptPlugins.isEmpty()) {
        return newTestScriptModule();
    }

    Settings settings = Settings.builder()
            .put(Environment.PATH_HOME_SETTING.getKey(), createTempDir())
            // no file watching, so we don't need a ResourceWatcherService
            .put(ScriptService.SCRIPT_AUTO_RELOAD_ENABLED_SETTING.getKey(), false)
            .build();
    Environment environment = new Environment(settings);
    return ScriptModule.create(settings, environment, null, scriptPlugins);
}
 

import org.elasticsearch.plugins.ScriptPlugin; //导入依赖的package包/类
/**
 * Build from {@linkplain ScriptPlugin}s. Convenient for normal use but not great for tests. See
 * {@link ScriptModule#ScriptModule(Settings, Environment, ResourceWatcherService, List, List)} for easier use in tests.
 */
public static ScriptModule create(Settings settings, Environment environment,
                                  ResourceWatcherService resourceWatcherService, List<ScriptPlugin> scriptPlugins) {
    Map<String, NativeScriptFactory> factoryMap = scriptPlugins.stream().flatMap(x -> x.getNativeScripts().stream())
        .collect(Collectors.toMap(NativeScriptFactory::getName, Function.identity()));
    NativeScriptEngineService nativeScriptEngineService = new NativeScriptEngineService(settings, factoryMap);
    List<ScriptEngineService> scriptEngineServices = scriptPlugins.stream().map(x -> x.getScriptEngineService(settings))
        .filter(Objects::nonNull).collect(Collectors.toList());
    scriptEngineServices.add(nativeScriptEngineService);
    List<ScriptContext.Plugin> plugins = scriptPlugins.stream().map(x -> x.getCustomScriptContexts()).filter(Objects::nonNull)
            .collect(Collectors.toList());
    return new ScriptModule(settings, environment, resourceWatcherService, scriptEngineServices, plugins);
}