com.homeadvisor.kafdrop.model.ConsumerVO.java Source code

Introduction

Here is the source code for com.homeadvisor.kafdrop.model.ConsumerVO.java

Source

/*
 * Copyright 2016 HomeAdvisor, Inc.
 *
 * Licensed 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 com.homeadvisor.kafdrop.model;

import org.apache.commons.lang.Validate;

import java.util.*;
import java.util.stream.Collectors;

public class ConsumerVO implements Comparable<ConsumerVO> {
    private String groupId;
    private Map<String, ConsumerTopicVO> topics = new TreeMap<>();
    private List<ConsumerRegistrationVO> activeInstances = new ArrayList<>();

    public ConsumerVO(String groupId) {
        Validate.notEmpty("groupId is required");
        this.groupId = groupId;
    }

    public String getGroupId() {
        return groupId;
    }

    public void setGroupId(String groupId) {
        this.groupId = groupId;
    }

    public void addActiveInstance(ConsumerRegistrationVO id) {
        activeInstances.add(id);
    }

    public List<ConsumerRegistrationVO> getActiveInstances() {
        return activeInstances;
    }

    public List<ConsumerRegistrationVO> getActiveInstancesForTopic(String topic) {
        return activeInstances.stream().filter(reg -> reg.getSubscriptions().containsKey(topic))
                .collect(Collectors.toList());
    }

    public void addTopic(ConsumerTopicVO topic) {
        topics.put(topic.getTopic(), topic);
    }

    public ConsumerTopicVO getTopic(String topic) {
        return topics.get(topic);
    }

    public Collection<ConsumerTopicVO> getTopics() {
        return topics.values();
    }

    public int getActiveTopicCount() {
        return topics.values().stream().map(t -> t.getAssignedPartitionCount() > 0 ? 1 : 0).reduce(0, Integer::sum);
    }

    @Override
    public int compareTo(ConsumerVO that) {
        return this.groupId.compareTo(that.groupId);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;

        ConsumerVO vo = (ConsumerVO) o;

        if (!groupId.equals(vo.groupId))
            return false;

        return true;
    }

    @Override
    public int hashCode() {
        return groupId.hashCode();
    }

}