TopicConfig.java

/**
 * Copyright (C) 2010-2013 Alibaba Group Holding Limited
 *
 * 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.alibaba.rocketmq.common;

import com.alibaba.rocketmq.common.constant.PermName;


/**
 * Topic配置
 * 
 * @author shijia.wxr<vintage.wang@gmail.com>
 */
public class TopicConfig {
    public static int DefaultReadQueueNums = 16;
    public static int DefaultWriteQueueNums = 16;

    private static final String SEPARATOR = " ";

    private String topicName;
    private int readQueueNums = DefaultReadQueueNums;
    private int writeQueueNums = DefaultWriteQueueNums;
    private int perm = PermName.PERM_READ | PermName.PERM_WRITE;
    private TopicFilterType topicFilterType = TopicFilterType.SINGLE_TAG;


    public TopicConfig() {
    }


    public TopicConfig(String topicName) {
        this.topicName = topicName;
    }


    public TopicConfig(String topicName, int readQueueNums, int writeQueueNums, int perm) {
        this.topicName = topicName;
        this.readQueueNums = readQueueNums;
        this.writeQueueNums = writeQueueNums;
        this.perm = perm;
    }


    public String encode() {
        StringBuilder sb = new StringBuilder();

        // 1
        sb.append(this.topicName);
        sb.append(SEPARATOR);

        // 2
        sb.append(this.readQueueNums);
        sb.append(SEPARATOR);

        // 3
        sb.append(this.writeQueueNums);
        sb.append(SEPARATOR);

        // 4
        sb.append(this.perm);
        sb.append(SEPARATOR);

        // 5
        sb.append(this.topicFilterType);

        return sb.toString();
    }


    public boolean decode(final String in) {
        String[] strs = in.split(SEPARATOR);
        if (strs != null && strs.length == 5) {
            this.topicName = strs[0];

            this.readQueueNums = Integer.parseInt(strs[1]);

            this.writeQueueNums = Integer.parseInt(strs[2]);

            this.perm = Integer.parseInt(strs[3]);

            this.topicFilterType = TopicFilterType.valueOf(strs[4]);

            return true;
        }

        return false;
    }


    public String getTopicName() {
        return topicName;
    }


    public void setTopicName(String topicName) {
        this.topicName = topicName;
    }


    public int getReadQueueNums() {
        return readQueueNums;
    }


    public void setReadQueueNums(int readQueueNums) {
        this.readQueueNums = readQueueNums;
    }


    public int getWriteQueueNums() {
        return writeQueueNums;
    }


    public void setWriteQueueNums(int writeQueueNums) {
        this.writeQueueNums = writeQueueNums;
    }


    public int getPerm() {
        return perm;
    }


    public void setPerm(int perm) {
        this.perm = perm;
    }


    public TopicFilterType getTopicFilterType() {
        return topicFilterType;
    }


    public void setTopicFilterType(TopicFilterType topicFilterType) {
        this.topicFilterType = topicFilterType;
    }


    @Override
    public boolean equals(Object obj) {
        TopicConfig other = (TopicConfig) obj;
        if (other != null) {
            return this.topicName.equals(other.topicName) && this.readQueueNums == other.readQueueNums
                    && this.writeQueueNums == other.writeQueueNums && this.perm == other.perm
                    && this.topicFilterType == other.topicFilterType;
        }

        return false;
    }


    @Override
    public String toString() {
        return "TopicConfig [topicName=" + topicName + ", readQueueNums=" + readQueueNums
                + ", writeQueueNums=" + writeQueueNums + ", perm=" + PermName.perm2String(perm)
                + ", topicFilterType=" + topicFilterType + "]";
    }
}