| /* |
| * 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.common.requests; |
| |
| import org.apache.kafka.common.protocol.ApiKeys; |
| import org.apache.kafka.common.protocol.Errors; |
| import org.apache.kafka.common.protocol.types.Schema; |
| import org.apache.kafka.common.protocol.types.Struct; |
| |
| import java.nio.ByteBuffer; |
| import java.util.Collections; |
| |
| public class ListGroupsRequest extends AbstractRequest { |
| |
| /* List groups api */ |
| private static final Schema LIST_GROUPS_REQUEST_V0 = new Schema(); |
| |
| /* v1 request is the same as v0. Throttle time has been added to response */ |
| private static final Schema LIST_GROUPS_REQUEST_V1 = LIST_GROUPS_REQUEST_V0; |
| |
| /** |
| * The version number is bumped to indicate that on quota violation brokers send out responses before throttling. |
| */ |
| private static final Schema LIST_GROUPS_REQUEST_V2 = LIST_GROUPS_REQUEST_V1; |
| |
| public static Schema[] schemaVersions() { |
| return new Schema[] {LIST_GROUPS_REQUEST_V0, LIST_GROUPS_REQUEST_V1, |
| LIST_GROUPS_REQUEST_V2}; |
| } |
| |
| public static class Builder extends AbstractRequest.Builder<ListGroupsRequest> { |
| public Builder() { |
| super(ApiKeys.LIST_GROUPS); |
| } |
| |
| @Override |
| public ListGroupsRequest build(short version) { |
| return new ListGroupsRequest(version); |
| } |
| |
| @Override |
| public String toString() { |
| return "(type=ListGroupsRequest)"; |
| } |
| } |
| |
| public ListGroupsRequest(short version) { |
| super(ApiKeys.LIST_GROUPS, version); |
| } |
| |
| public ListGroupsRequest(Struct struct, short versionId) { |
| super(ApiKeys.LIST_GROUPS, versionId); |
| } |
| |
| @Override |
| public ListGroupsResponse getErrorResponse(int throttleTimeMs, Throwable e) { |
| short versionId = version(); |
| switch (versionId) { |
| case 0: |
| return new ListGroupsResponse(Errors.forException(e), Collections.emptyList()); |
| case 1: |
| case 2: |
| return new ListGroupsResponse(throttleTimeMs, Errors.forException(e), Collections.emptyList()); |
| default: |
| throw new IllegalArgumentException(String.format("Version %d is not valid. Valid versions for %s are 0 to %d", |
| versionId, this.getClass().getSimpleName(), ApiKeys.LIST_GROUPS.latestVersion())); |
| } |
| } |
| |
| public static ListGroupsRequest parse(ByteBuffer buffer, short version) { |
| return new ListGroupsRequest(ApiKeys.LIST_GROUPS.parseRequest(version, buffer), version); |
| } |
| |
| @Override |
| protected Struct toStruct() { |
| return new Struct(ApiKeys.LIST_GROUPS.requestSchema(version())); |
| } |
| } |