/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 gobblin.config.store.api;
import java.util.Collection;
import java.util.Map;
import com.typesafe.config.Config;
import gobblin.annotation.Alpha;
/**
* ConfigStoreWithBatchFetches indicate this {@link ConfigStore} support (efficient) fetching of
* batches of config keys with the same config version. For {@link ConfigStore} implementations that
* implement this interface, the config client library will delegate the batch fetches to the
* store instead of doing that itself. A typical use case for this interface is if the {@link ConfigStore}
* supports an RPC call which can fetch multiple config objects with a single call.
*
* @author mitu
*
*/
@Alpha
public interface ConfigStoreWithBatchFetches extends ConfigStore {
/**
*
* @param configKeys the config keys whose {@link Config} objects are to be fetched
* @param version the configuration version of the config keys
* @return the Map from the config key to its the own {@link com.typesafe.config.Config} object
* @throws VersionDoesNotExistException if the requested config version does not exist (any longer)
*/
public Map<ConfigKeyPath, Config> getOwnConfigs(Collection<ConfigKeyPath> configKeys, String version)
throws VersionDoesNotExistException;
/**
*
* @param configKeys the config keys whose {@link Config} objects are to be fetched
* @param version the configuration version of the config keys
* @return the Map from the config key to its the resolved {@link com.typesafe.config.Config} object
* @throws VersionDoesNotExistException if the requested config version does not exist (any longer)
*/
public Map<ConfigKeyPath, Config> getResolvedConfigs(Collection<ConfigKeyPath> configKeys, String version)
throws VersionDoesNotExistException;
}