001/*
002Copyright 2022 The OpenFunction Authors.
003
004Licensed under the Apache License, Version 2.0 (the "License");
005you may not use this file except in compliance with the License.
006You may obtain a copy of the License at
007
008    http://www.apache.org/licenses/LICENSE-2.0
009
010Unless required by applicable law or agreed to in writing, software
011distributed under the License is distributed on an "AS IS" BASIS,
012WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013See the License for the specific language governing permissions and
014limitations under the License.
015*/
016
017package dev.openfunction.functions;
018
019public interface OpenFunction {
020    /**
021     * Called to service an incoming event. This interface is implemented by user code to provide the
022     * action for a given function.
023     *
024     * @param context context
025     * @param payload incoming event
026     * @return Out
027     * @throws Exception Exception
028     */
029    Out accept(Context context, String payload) throws Exception;
030}