| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.flink.statefun.sdk.io; |
| |
| import org.apache.flink.statefun.sdk.IngressType; |
| |
| /** |
| * Complete specification for an ingress, containing of the ingress' {@link IngressIdentifier} and |
| * the {@link IngressType}. This fully defines an ingress within a Stateful Functions application. |
| * |
| * <p>This serves as a "logical" representation of an input source for invoking stateful functions |
| * within an application. Under the scenes, the system translates this to a physical |
| * runtime-specific representation corresponding to the specified {@link IngressType}. |
| * |
| * @param <T> the type of messages produced by this ingress. |
| */ |
| public interface IngressSpec<T> { |
| |
| /** |
| * Returns the unique identifier of the ingress. |
| * |
| * @return the unique identifier of the ingress. |
| */ |
| IngressIdentifier<T> id(); |
| |
| /** |
| * Returns the type of the ingress. |
| * |
| * @return the type of the ingress. |
| */ |
| IngressType type(); |
| } |