kafka ConsumerGroupListing 源码
kafka ConsumerGroupListing 代码
文件路径:/clients/src/main/java/org/apache/kafka/clients/admin/ConsumerGroupListing.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.Objects;
import java.util.Optional;
import org.apache.kafka.common.ConsumerGroupState;
/**
* A listing of a consumer group in the cluster.
*/
public class ConsumerGroupListing {
private final String groupId;
private final boolean isSimpleConsumerGroup;
private final Optional<ConsumerGroupState> state;
/**
* Create an instance with the specified parameters.
*
* @param groupId Group Id
* @param isSimpleConsumerGroup If consumer group is simple or not.
*/
public ConsumerGroupListing(String groupId, boolean isSimpleConsumerGroup) {
this(groupId, isSimpleConsumerGroup, Optional.empty());
}
/**
* Create an instance with the specified parameters.
*
* @param groupId Group Id
* @param isSimpleConsumerGroup If consumer group is simple or not.
* @param state The state of the consumer group
*/
public ConsumerGroupListing(String groupId, boolean isSimpleConsumerGroup, Optional<ConsumerGroupState> state) {
this.groupId = groupId;
this.isSimpleConsumerGroup = isSimpleConsumerGroup;
this.state = Objects.requireNonNull(state);
}
/**
* Consumer Group Id
*/
public String groupId() {
return groupId;
}
/**
* If Consumer Group is simple or not.
*/
public boolean isSimpleConsumerGroup() {
return isSimpleConsumerGroup;
}
/**
* Consumer Group state
*/
public Optional<ConsumerGroupState> state() {
return state;
}
@Override
public String toString() {
return "(" +
"groupId='" + groupId + '\'' +
", isSimpleConsumerGroup=" + isSimpleConsumerGroup +
", state=" + state +
')';
}
@Override
public int hashCode() {
return Objects.hash(groupId, isSimpleConsumerGroup, state);
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
ConsumerGroupListing other = (ConsumerGroupListing) obj;
if (groupId == null) {
if (other.groupId != null)
return false;
} else if (!groupId.equals(other.groupId))
return false;
if (isSimpleConsumerGroup != other.isSimpleConsumerGroup)
return false;
if (state == null) {
if (other.state != null)
return false;
} else if (!state.equals(other.state))
return false;
return true;
}
}
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