| /* |
| * 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.examples.harness; |
| |
| import org.apache.flink.statefun.examples.harness.MyMessages.MyInputMessage; |
| import org.apache.flink.statefun.examples.harness.MyMessages.MyOutputMessage; |
| import org.apache.flink.statefun.sdk.Context; |
| import org.apache.flink.statefun.sdk.StatefulFunction; |
| |
| final class MyFunction implements StatefulFunction { |
| |
| @Override |
| public void invoke(Context context, Object input) { |
| if (!(input instanceof MyInputMessage)) { |
| throw new IllegalArgumentException("Unknown message received " + input); |
| } |
| MyInputMessage in = (MyInputMessage) input; |
| MyOutputMessage out = new MyOutputMessage(in.getUserId(), in.getMessage()); |
| |
| context.send(MyConstants.RESULT_EGRESS, out); |
| } |
| } |
