| /* |
| * 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.errors.UnsupportedVersionException; |
| import org.apache.kafka.common.requests.AbstractResponse; |
| import org.apache.kafka.common.requests.RequestHeader; |
| |
| /** |
| * A response from the server. Contains both the body of the response as well as the correlated request |
| * metadata that was originally sent. |
| */ |
| public class ClientResponse { |
| |
| private final RequestHeader requestHeader; |
| private final RequestCompletionHandler callback; |
| private final String destination; |
| private final long receivedTimeMs; |
| private final long latencyMs; |
| private final boolean disconnected; |
| private final UnsupportedVersionException versionMismatch; |
| private final AbstractResponse responseBody; |
| |
| /** |
| * @param requestHeader The header of the corresponding request |
| * @param callback The callback to be invoked |
| * @param createdTimeMs The unix timestamp when the corresponding request was created |
| * @param destination The node the corresponding request was sent to |
| * @param receivedTimeMs The unix timestamp when this response was received |
| * @param disconnected Whether the client disconnected before fully reading a response |
| * @param versionMismatch Whether there was a version mismatch that prevented sending the request. |
| * @param responseBody The response contents (or null) if we disconnected, no response was expected, |
| * or if there was a version mismatch. |
| */ |
| public ClientResponse(RequestHeader requestHeader, |
| RequestCompletionHandler callback, |
| String destination, |
| long createdTimeMs, |
| long receivedTimeMs, |
| boolean disconnected, |
| UnsupportedVersionException versionMismatch, |
| AbstractResponse responseBody) { |
| this.requestHeader = requestHeader; |
| this.callback = callback; |
| this.destination = destination; |
| this.receivedTimeMs = receivedTimeMs; |
| this.latencyMs = receivedTimeMs - createdTimeMs; |
| this.disconnected = disconnected; |
| this.versionMismatch = versionMismatch; |
| this.responseBody = responseBody; |
| } |
| |
| public long receivedTimeMs() { |
| return receivedTimeMs; |
| } |
| |
| public boolean wasDisconnected() { |
| return disconnected; |
| } |
| |
| public UnsupportedVersionException versionMismatch() { |
| return versionMismatch; |
| } |
| |
| public RequestHeader requestHeader() { |
| return requestHeader; |
| } |
| |
| public String destination() { |
| return destination; |
| } |
| |
| public AbstractResponse responseBody() { |
| return responseBody; |
| } |
| |
| public boolean hasResponse() { |
| return responseBody != null; |
| } |
| |
| public long requestLatencyMs() { |
| return latencyMs; |
| } |
| |
| public void onComplete() { |
| if (callback != null) |
| callback.onComplete(this); |
| } |
| |
| @Override |
| public String toString() { |
| return "ClientResponse(receivedTimeMs=" + receivedTimeMs + |
| ", latencyMs=" + |
| latencyMs + |
| ", disconnected=" + |
| disconnected + |
| ", requestHeader=" + |
| requestHeader + |
| ", responseBody=" + |
| responseBody + |
| ")"; |
| } |
| |
| } |