/*
* 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 org.elasticsearch.common.inject.Binder;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.ExtensionPoint;
import org.elasticsearch.index.snapshots.IndexShardRepository;
/**
* A mapping from type name to implementations of {@link Repository} and {@link IndexShardRepository}.
*/
public class RepositoryTypesRegistry {
// invariant: repositories and shardRepositories have the same keyset
private final ExtensionPoint.SelectedType<Repository> repositoryTypes =
new ExtensionPoint.SelectedType<>("repository", Repository.class);
private final ExtensionPoint.SelectedType<IndexShardRepository> shardRepositoryTypes =
new ExtensionPoint.SelectedType<>("index_repository", IndexShardRepository.class);
/** Adds a new repository type to the registry, bound to the given implementation classes. */
public void registerRepository(String name, Class<? extends Repository> repositoryType, Class<? extends IndexShardRepository> shardRepositoryType) {
repositoryTypes.registerExtension(name, repositoryType);
shardRepositoryTypes.registerExtension(name, shardRepositoryType);
}
/**
* Looks up the given type and binds the implementation into the given binder.
* Throws an {@link IllegalArgumentException} if the given type does not exist.
*/
public void bindType(Binder binder, String type) {
Settings settings = Settings.builder().put("type", type).build();
repositoryTypes.bindType(binder, settings, "type", null);
shardRepositoryTypes.bindType(binder, settings, "type", null);
}
}