kafka ListConsumerGroupsOptions 源码
kafka ListConsumerGroupsOptions 代码
文件路径：/clients/src/main/java/org/apache/kafka/clients/admin/ListConsumerGroupsOptions.java
/*
* 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 java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.apache.kafka.common.ConsumerGroupState;
import org.apache.kafka.common.annotation.InterfaceStability;
/**
* Options for {@link Admin#listConsumerGroups()}.
*
* The API of this class is evolving, see {@link Admin} for details.
*/
@InterfaceStability.Evolving
public class ListConsumerGroupsOptions extends AbstractOptions<ListConsumerGroupsOptions> {
private Set<ConsumerGroupState> states = Collections.emptySet();
/**
* If states is set, only groups in these states will be returned by listConsumerGroups()
* Otherwise, all groups are returned.
* This operation is supported by brokers with version 2.6.0 or later.
*/
public ListConsumerGroupsOptions inStates(Set<ConsumerGroupState> states) {
this.states = (states == null) ? Collections.emptySet() : new HashSet<>(states);
return this;
}
/**
* Returns the list of States that are requested or empty if no states have been specified
*/
public Set<ConsumerGroupState> states() {
return states;
}
}
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