/* * Copyright 2015-2016 Red Hat, Inc. and/or its affiliates * and other contributors as indicated by the @author tags. * * Licensed 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.hawkular.alerts.api.services; /** * A interface used to share alerts properties across several components. * * @author Jay Shaughnessy * @author Lucas Ponce */ public interface PropertiesService { /** * @param key of the property to retrieve * @param defaultValue default value to return in case the property has not a value defined * @return the value of the property */ String getProperty(String key, String defaultValue); /** * @param key of the property to retrieve * @param envKey name of the environment variable used as an alternative way to define a property * @param defaultValue default value to return in case the property has not a value defined * @return the value of the property */ String getProperty(String key, String envKey, String defaultValue); }