org.elasticsearch.repositories.RepositoryModule Maven / Gradle / Ivy
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* 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.repositories;
import com.google.common.collect.ImmutableList;
import org.elasticsearch.common.Classes;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.inject.Module;
import org.elasticsearch.common.inject.Modules;
import org.elasticsearch.common.inject.SpawnModules;
import org.elasticsearch.common.settings.NoClassSettingsException;
import org.elasticsearch.common.settings.Settings;
import java.util.Locale;
import static org.elasticsearch.common.Strings.toCamelCase;
/**
* This module spawns specific repository module
*/
public class RepositoryModule extends AbstractModule implements SpawnModules {
private RepositoryName repositoryName;
private final Settings globalSettings;
private final Settings settings;
private final RepositoryTypesRegistry typesRegistry;
/**
* Spawns module for repository with specified name, type and settings
*
* @param repositoryName repository name and type
* @param settings repository settings
* @param globalSettings global settings
* @param typesRegistry registry of repository types
*/
public RepositoryModule(RepositoryName repositoryName, Settings settings, Settings globalSettings, RepositoryTypesRegistry typesRegistry) {
this.repositoryName = repositoryName;
this.globalSettings = globalSettings;
this.settings = settings;
this.typesRegistry = typesRegistry;
}
/**
* Returns repository module.
*
* First repository type is looked up in typesRegistry and if it's not found there, this module tries to
* load repository by it's class name.
*
* @return repository module
*/
@Override
public Iterable spawnModules() {
return ImmutableList.of(Modules.createModule(loadTypeModule(repositoryName.type(), "org.elasticsearch.repositories.", "RepositoryModule"), globalSettings));
}
/**
* {@inheritDoc}
*/
@Override
protected void configure() {
bind(RepositorySettings.class).toInstance(new RepositorySettings(globalSettings, settings));
}
private Class loadTypeModule(String type, String prefixPackage, String suffixClassName) {
Class registered = typesRegistry.type(type);
if (registered != null) {
return registered;
}
return Classes.loadClass(globalSettings.getClassLoader(), type, prefixPackage, suffixClassName);
}
}