| /* |
| * 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.core.httpfn; |
| |
| import java.io.Serializable; |
| import java.util.Objects; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonCreator; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonProperty; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.annotation.JsonDeserialize; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder; |
| import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.apache.flink.statefun.flink.core.httpfn.jsonutils.TargetFunctionsJsonDeserializer; |
| import org.apache.flink.statefun.flink.core.httpfn.jsonutils.UrlPathTemplateJsonDeserializer; |
| import org.apache.flink.statefun.sdk.TypeName; |
| |
| @JsonDeserialize(builder = HttpFunctionEndpointSpec.Builder.class) |
| public final class HttpFunctionEndpointSpec implements Serializable { |
| |
| private static final long serialVersionUID = 1; |
| |
| private static final Integer DEFAULT_MAX_NUM_BATCH_REQUESTS = 1000; |
| private static final TransportClientSpec DEFAULT_TRANSPORT_CLIENT_SPEC = |
| new TransportClientSpec( |
| TransportClientConstants.OKHTTP_CLIENT_FACTORY_TYPE, |
| new ObjectMapper().createObjectNode()); |
| |
| // ============================================================ |
| // Request-Reply invocation protocol configurations |
| // ============================================================ |
| |
| private final TargetFunctions targetFunctions; |
| private final UrlPathTemplate urlPathTemplate; |
| private final int maxNumBatchRequests; |
| |
| // ============================================================ |
| // HTTP transport related properties |
| // ============================================================ |
| |
| private final TypeName transportClientFactoryType; |
| private final ObjectNode transportClientProps; |
| |
| public static Builder builder(TargetFunctions targetFunctions, UrlPathTemplate urlPathTemplate) { |
| return new Builder(targetFunctions, urlPathTemplate); |
| } |
| |
| private HttpFunctionEndpointSpec( |
| TargetFunctions targetFunctions, |
| UrlPathTemplate urlPathTemplate, |
| int maxNumBatchRequests, |
| TypeName transportClientFactoryType, |
| ObjectNode transportClientProps) { |
| this.targetFunctions = targetFunctions; |
| this.urlPathTemplate = urlPathTemplate; |
| this.maxNumBatchRequests = maxNumBatchRequests; |
| this.transportClientFactoryType = transportClientFactoryType; |
| this.transportClientProps = transportClientProps; |
| } |
| |
| public TargetFunctions targetFunctions() { |
| return targetFunctions; |
| } |
| |
| public UrlPathTemplate urlPathTemplate() { |
| return urlPathTemplate; |
| } |
| |
| public int maxNumBatchRequests() { |
| return maxNumBatchRequests; |
| } |
| |
| public TypeName transportClientFactoryType() { |
| return transportClientFactoryType; |
| } |
| |
| public ObjectNode transportClientProperties() { |
| return transportClientProps; |
| } |
| |
| @JsonPOJOBuilder |
| public static final class Builder { |
| |
| private final TargetFunctions targetFunctions; |
| private final UrlPathTemplate urlPathTemplate; |
| |
| private int maxNumBatchRequests = DEFAULT_MAX_NUM_BATCH_REQUESTS; |
| private TransportClientSpec transportClientSpec = DEFAULT_TRANSPORT_CLIENT_SPEC; |
| |
| @JsonCreator |
| private Builder( |
| @JsonProperty("functions") @JsonDeserialize(using = TargetFunctionsJsonDeserializer.class) |
| TargetFunctions targetFunctions, |
| @JsonProperty("urlPathTemplate") |
| @JsonDeserialize(using = UrlPathTemplateJsonDeserializer.class) |
| UrlPathTemplate urlPathTemplate) { |
| this.targetFunctions = Objects.requireNonNull(targetFunctions); |
| this.urlPathTemplate = Objects.requireNonNull(urlPathTemplate); |
| } |
| |
| @JsonProperty("maxNumBatchRequests") |
| public Builder withMaxNumBatchRequests(int maxNumBatchRequests) { |
| this.maxNumBatchRequests = maxNumBatchRequests; |
| return this; |
| } |
| |
| /** |
| * This is marked with @JsonProperty specifically to tell Jackson to use this method when |
| * deserializing from Json. |
| */ |
| @JsonProperty("transport") |
| public Builder withTransport(ObjectNode transportNode) { |
| withTransport(TransportClientSpec.fromJsonNode(transportNode)); |
| return this; |
| } |
| |
| public Builder withTransport(TransportClientSpec transportNode) { |
| this.transportClientSpec = Objects.requireNonNull(transportNode); |
| return this; |
| } |
| |
| public HttpFunctionEndpointSpec build() { |
| return new HttpFunctionEndpointSpec( |
| targetFunctions, |
| urlPathTemplate, |
| maxNumBatchRequests, |
| transportClientSpec.factoryKind(), |
| transportClientSpec.specNode()); |
| } |
| } |
| } |