com.alibaba.otter.canal.parse.inbound.AbstractEventParser Java Examples

The following examples show how to use com.alibaba.otter.canal.parse.inbound.AbstractEventParser. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: AbstractCanalInstance.java From canal-1.1.3 with Apache License 2.0

6 votes

@Override
public boolean subscribeChange(ClientIdentity identity) {
    if (StringUtils.isNotEmpty(identity.getFilter())) {
        logger.info("subscribe filter change to " + identity.getFilter());
        AviaterRegexFilter aviaterFilter = new AviaterRegexFilter(identity.getFilter());

        boolean isGroup = (eventParser instanceof GroupEventParser);
        if (isGroup) {
            // 处理group的模式
            List<CanalEventParser> eventParsers = ((GroupEventParser) eventParser).getEventParsers();
            for (CanalEventParser singleEventParser : eventParsers) {// 需要遍历启动
                ((AbstractEventParser) singleEventParser).setEventFilter(aviaterFilter);
            }
        } else {
            ((AbstractEventParser) eventParser).setEventFilter(aviaterFilter);
        }

    }

    // filter的处理规则
    // a. parser处理数据过滤处理
    // b. sink处理数据的路由&分发,一份parse数据经过sink后可以分发为多份，每份的数据可以根据自己的过滤规则不同而有不同的数据
    // 后续内存版的一对多分发，可以考虑
    return true;
}

Example #2

Source File: AbstractCanalInstance.java From canal-1.1.3 with Apache License 2.0

6 votes

/**
 * 初始化单个eventParser，不需要考虑group
 */
protected void startEventParserInternal(CanalEventParser eventParser, boolean isGroup) {
    if (eventParser instanceof AbstractEventParser) {
        AbstractEventParser abstractEventParser = (AbstractEventParser) eventParser;
        // 首先启动log position管理器
        CanalLogPositionManager logPositionManager = abstractEventParser.getLogPositionManager();
        if (!logPositionManager.isStart()) {
            logPositionManager.start();
        }
    }

    if (eventParser instanceof MysqlEventParser) {
        MysqlEventParser mysqlEventParser = (MysqlEventParser) eventParser;
        CanalHAController haController = mysqlEventParser.getHaController();

        if (haController instanceof HeartBeatHAController) {
            ((HeartBeatHAController) haController).setCanalHASwitchable(mysqlEventParser);
        }

        if (!haController.isStart()) {
            haController.start();
        }

    }
}

Example #3

Source File: AbstractCanalInstance.java From canal-1.1.3 with Apache License 2.0

6 votes

protected void stopEventParserInternal(CanalEventParser eventParser) {
    if (eventParser instanceof AbstractEventParser) {
        AbstractEventParser abstractEventParser = (AbstractEventParser) eventParser;
        // 首先启动log position管理器
        CanalLogPositionManager logPositionManager = abstractEventParser.getLogPositionManager();
        if (logPositionManager.isStart()) {
            logPositionManager.stop();
        }
    }

    if (eventParser instanceof MysqlEventParser) {
        MysqlEventParser mysqlEventParser = (MysqlEventParser) eventParser;
        CanalHAController haController = mysqlEventParser.getHaController();
        if (haController.isStart()) {
            haController.stop();
        }
    }
}

Example #4

Source File: AbstractCanalInstance.java From canal with Apache License 2.0

6 votes

/**
 * 初始化单个eventParser，不需要考虑group
 */
protected void startEventParserInternal(CanalEventParser eventParser, boolean isGroup) {
    if (eventParser instanceof AbstractEventParser) {
        AbstractEventParser abstractEventParser = (AbstractEventParser) eventParser;
        // 首先启动log position管理器
        CanalLogPositionManager logPositionManager = abstractEventParser.getLogPositionManager();
        if (!logPositionManager.isStart()) {
            logPositionManager.start();
        }
    }

    if (eventParser instanceof MysqlEventParser) {
        MysqlEventParser mysqlEventParser = (MysqlEventParser) eventParser;
        CanalHAController haController = mysqlEventParser.getHaController();

        if (haController instanceof HeartBeatHAController) {
            ((HeartBeatHAController) haController).setCanalHASwitchable(mysqlEventParser);
        }

        if (!haController.isStart()) {
            haController.start();
        }

    }
}

Example #5

Source File: AbstractCanalInstance.java From canal with Apache License 2.0

6 votes

protected void stopEventParserInternal(CanalEventParser eventParser) {
    if (eventParser instanceof AbstractEventParser) {
        AbstractEventParser abstractEventParser = (AbstractEventParser) eventParser;
        // 首先启动log position管理器
        CanalLogPositionManager logPositionManager = abstractEventParser.getLogPositionManager();
        if (logPositionManager.isStart()) {
            logPositionManager.stop();
        }
    }

    if (eventParser instanceof MysqlEventParser) {
        MysqlEventParser mysqlEventParser = (MysqlEventParser) eventParser;
        CanalHAController haController = mysqlEventParser.getHaController();
        if (haController.isStart()) {
            haController.stop();
        }
    }
}

Example #6

Source File: CanalInstanceWithManager.java From canal-1.1.3 with Apache License 2.0

5 votes

protected void startEventParserInternal(CanalEventParser eventParser, boolean isGroup) {
    if (eventParser instanceof AbstractEventParser) {
        AbstractEventParser abstractEventParser = (AbstractEventParser) eventParser;
        abstractEventParser.setAlarmHandler(getAlarmHandler());
    }

    super.startEventParserInternal(eventParser, isGroup);
}

Example #7

Source File: CanalInstanceWithManager.java From canal with Apache License 2.0

5 votes

protected void startEventParserInternal(CanalEventParser eventParser, boolean isGroup) {
    if (eventParser instanceof AbstractEventParser) {
        AbstractEventParser abstractEventParser = (AbstractEventParser) eventParser;
        abstractEventParser.setAlarmHandler(getAlarmHandler());
    }

    super.startEventParserInternal(eventParser, isGroup);
}

Example #8

Source File: AbstractCanalInstance.java From canal with Apache License 2.0

5 votes

@Override
public boolean subscribeChange(ClientIdentity identity) {
    if (StringUtils.isNotEmpty(identity.getFilter())) {
        logger.info("subscribe filter change to " + identity.getFilter());
        AviaterRegexFilter aviaterFilter = new AviaterRegexFilter(identity.getFilter());

        boolean isGroup = (eventParser instanceof GroupEventParser);
        if (isGroup) {
            // 处理group的模式
            List<CanalEventParser> eventParsers = ((GroupEventParser) eventParser).getEventParsers();
            for (CanalEventParser singleEventParser : eventParsers) {// 需要遍历启动
                if(singleEventParser instanceof AbstractEventParser) {
                    ((AbstractEventParser) singleEventParser).setEventFilter(aviaterFilter);
                }
            }
        } else {
            if(eventParser instanceof AbstractEventParser) {
                ((AbstractEventParser) eventParser).setEventFilter(aviaterFilter);
            }
        }

    }

    // filter的处理规则
    // a. parser处理数据过滤处理
    // b. sink处理数据的路由&分发,一份parse数据经过sink后可以分发为多份，每份的数据可以根据自己的过滤规则不同而有不同的数据
    // 后续内存版的一对多分发，可以考虑
    return true;
}