/** * Copyright 2010 CosmoCode GmbH * * 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 de.cosmocode.palava.ipc; import de.cosmocode.collections.utility.UtilityMap; /** * Argument map providing useful methods for type checking * and converting. * * @author Willi Schoenborn * @author Tobias Sarnowski */ public interface IpcArguments extends UtilityMap<String, Object> { /** * Checks whether all specified keys exist in these arguments. * * @param keys the required keys * @throws NullPointerException if keys is null * @throws IpcArgumentsMissingException if any key is missing */ void require(String... keys) throws IpcArgumentsMissingException; }