/**
* 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;
}