001/**
002 * Copyright (C) 2006-2022 Talend Inc. - www.talend.com
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.talend.sdk.component.api.service.configuration;
017
018import java.util.Set;
019
020/**
021 * Provide an abstraction to read the local - environment - configuration.
022 */
023public interface LocalConfiguration {
024
025    /**
026     * Access a configuration entry.
027     *
028     * @param key the configuration key.
029     * @return the value corresponding to the key in the configuration repository for the calling component/family.
030     */
031    String get(String key);
032
033    /**
034     * @return all keys for the current family namespace.
035     */
036    Set<String> keys();
037}