| /* |
| * 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.flink.datastream; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Objects; |
| import javax.annotation.Nullable; |
| import javax.annotation.concurrent.NotThreadSafe; |
| import org.apache.flink.annotation.Internal; |
| import org.apache.flink.statefun.flink.core.httpfn.HttpFunctionEndpointSpec; |
| import org.apache.flink.statefun.flink.core.httpfn.HttpFunctionProvider; |
| import org.apache.flink.statefun.sdk.FunctionType; |
| import org.apache.flink.statefun.sdk.StatefulFunction; |
| |
| @NotThreadSafe |
| @Internal |
| final class SerializableHttpFunctionProvider implements SerializableStatefulFunctionProvider { |
| |
| private static final long serialVersionUID = 1; |
| |
| private final Map<FunctionType, HttpFunctionEndpointSpec> supportedTypes; |
| private transient @Nullable HttpFunctionProvider delegate; |
| |
| SerializableHttpFunctionProvider(Map<FunctionType, HttpFunctionEndpointSpec> supportedTypes) { |
| this.supportedTypes = Objects.requireNonNull(supportedTypes); |
| } |
| |
| @Override |
| public StatefulFunction functionOfType(FunctionType type) { |
| if (delegate == null) { |
| delegate = new HttpFunctionProvider(supportedTypes, Collections.emptyMap()); |
| } |
| return delegate.functionOfType(type); |
| } |
| } |