/*
* 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.admin;
import org.apache.kafka.common.requests.CreateTopicsRequest.TopicDetails;
import java.util.List;
import java.util.Map;
/**
* A request to create a new topic through the AdminClient API.
*/
public class NewTopic {
private final String name;
private final int numPartitions;
private final short replicationFactor;
private final Map<Integer, List<Integer>> replicasAssignments;
private Map<String, String> configs = null;
/**
* Create a new topic with a fixed replication factor and number of partitions.
*/
public NewTopic(String name, int numPartitions, short replicationFactor) {
this.name = name;
this.numPartitions = numPartitions;
this.replicationFactor = replicationFactor;
this.replicasAssignments = null;
}
/**
* A request to create a new topic with a specific replica assignment configuration.
*/
public NewTopic(String name, Map<Integer, List<Integer>> replicasAssignments) {
this.name = name;
this.numPartitions = -1;
this.replicationFactor = -1;
this.replicasAssignments = replicasAssignments;
}
public String name() {
return name;
}
/**
* Set the configuration to use on the new topic.
*
* @param configs The configuration map.
* @return This NewTopic object.
*/
public NewTopic configs(Map<String, String> configs) {
this.configs = configs;
return this;
}
TopicDetails convertToTopicDetails() {
if (replicasAssignments != null) {
if (configs != null) {
return new TopicDetails(replicasAssignments, configs);
} else {
return new TopicDetails(replicasAssignments);
}
} else {
if (configs != null) {
return new TopicDetails(numPartitions, replicationFactor, configs);
} else {
return new TopicDetails(numPartitions, replicationFactor);
}
}
}
}