| /* |
| * 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.kafka.clients; |
| |
| import org.apache.kafka.common.protocol.ApiKeys; |
| import org.apache.kafka.common.requests.AbstractRequest; |
| import org.apache.kafka.common.requests.RequestHeader; |
| |
| /** |
| * A request being sent to the server. This holds both the network send as well as the client-level metadata. |
| */ |
| public final class ClientRequest { |
| |
| private final String destination; |
| private final AbstractRequest.Builder<?> requestBuilder; |
| private final int correlationId; |
| private final String clientId; |
| private final long createdTimeMs; |
| private final boolean expectResponse; |
| private final RequestCompletionHandler callback; |
| |
| /** |
| * @param destination The brokerId to send the request to |
| * @param requestBuilder The builder for the request to make |
| * @param correlationId The correlation id for this client request |
| * @param clientId The client ID to use for the header |
| * @param createdTimeMs The unix timestamp in milliseconds for the time at which this request was created. |
| * @param expectResponse Should we expect a response message or is this request complete once it is sent? |
| * @param callback A callback to execute when the response has been received (or null if no callback is necessary) |
| */ |
| public ClientRequest(String destination, |
| AbstractRequest.Builder<?> requestBuilder, |
| int correlationId, |
| String clientId, |
| long createdTimeMs, |
| boolean expectResponse, |
| RequestCompletionHandler callback) { |
| this.destination = destination; |
| this.requestBuilder = requestBuilder; |
| this.correlationId = correlationId; |
| this.clientId = clientId; |
| this.createdTimeMs = createdTimeMs; |
| this.expectResponse = expectResponse; |
| this.callback = callback; |
| } |
| |
| @Override |
| public String toString() { |
| return "ClientRequest(expectResponse=" + expectResponse + |
| ", callback=" + callback + |
| ", destination=" + destination + |
| ", correlationId=" + correlationId + |
| ", clientId=" + clientId + |
| ", createdTimeMs=" + createdTimeMs + |
| ", requestBuilder=" + requestBuilder + |
| ")"; |
| } |
| |
| public boolean expectResponse() { |
| return expectResponse; |
| } |
| |
| public ApiKeys apiKey() { |
| return requestBuilder.apiKey(); |
| } |
| |
| public RequestHeader makeHeader(short version) { |
| return new RequestHeader(apiKey().id, version, clientId, correlationId); |
| } |
| |
| public AbstractRequest.Builder<?> requestBuilder() { |
| return requestBuilder; |
| } |
| |
| public String destination() { |
| return destination; |
| } |
| |
| public RequestCompletionHandler callback() { |
| return callback; |
| } |
| |
| public long createdTimeMs() { |
| return createdTimeMs; |
| } |
| |
| public int correlationId() { |
| return correlationId; |
| } |
| } |