Java ConfigDataHandlerFactory类代码示例

import com.taobao.tddl.config.ConfigDataHandlerFactory; //导入依赖的package包/类
@Override
public void doInit() {
    String dataId = null;
    ConfigDataHandlerFactory factory = null;
    // 优先从文件获取
    if (sequenceFile == null) {
        dataId = TDDL5_SEQUENCE_DATA_ID.format(new Object[] { appName });
        factory = ConfigDataHandlerCity.getFactory(appName, unitName);
    } else {
        factory = ConfigDataHandlerCity.getFileFactory(appName);
        dataId = sequenceFile;
    }

    sequenceCdh = factory.getConfigDataHandler(dataId, new SequenceConfigDataListener());
    String data = sequenceCdh.getData();

    if (TStringUtil.isEmpty(data)) {
        logger.warn("sequence is null, dataId is " + dataId);
        return;
    }

    parseSequence(data);
}
 

import com.taobao.tddl.config.ConfigDataHandlerFactory; //导入依赖的package包/类
/**
 * @param appName
 * @param unitName
 * @param localValues 从本地配置文件里读出来的值，优先使用这里面的
 * @return
 */
public static ConfigDataHandlerFactory getFactory(String appName, String unitName, Map<String, String> localValues) {
    if (localValues == null) {
        return getFactory(appName, unitName);
    }
    return new LocalFirstConfigDataHandlerFactory(getFactory(appName, unitName), localValues);

}
 

import com.taobao.tddl.config.ConfigDataHandlerFactory; //导入依赖的package包/类
public LocalFirstConfigDataHandlerFactory(ConfigDataHandlerFactory delegateFactory, Map<String, String> localValues){
    this.delegateFactory = delegateFactory;
    this.localValues = localValues;
}
 

import com.taobao.tddl.config.ConfigDataHandlerFactory; //导入依赖的package包/类
public static ConfigDataHandlerFactory getSimpleFactory() {
    return new UnitConfigDataHandlerFactory();
}
 

import com.taobao.tddl.config.ConfigDataHandlerFactory; //导入依赖的package包/类
public static ConfigDataHandlerFactory getPreHeatFactory(String appName, String unitName) {
    return new UnitConfigDataHandlerFactory(appName, unitName);
}
 

import com.taobao.tddl.config.ConfigDataHandlerFactory; //导入依赖的package包/类
public static ConfigDataHandlerFactory getFileFactory(String appName) {
    return new FileConfigDataHandlerFactory("", appName);
}
 

import com.taobao.tddl.config.ConfigDataHandlerFactory; //导入依赖的package包/类
protected void doInit() throws TddlException {
    super.doInit();
    ss = new ConcurrentHashMap<String, TableMeta>();

    if (this.appName == null) {
        logger.warn("schema appname is not assigned");
    }

    if (this.schemaFilePath == null) {
        logger.warn("schema file is not assigned");
    }

    if (appName == null && schemaFilePath == null) {
        return;
    }

    ConfigDataHandlerFactory factory = null;
    String dataId = null;

    // 优先从文件获取
    if (schemaFilePath == null) {
        dataId = TDDL5_SCHEMA_DATA_ID.format(new Object[] { appName });
        factory = ConfigDataHandlerCity.getFactory(appName, unitName);
    } else {
        factory = ConfigDataHandlerCity.getFileFactory(appName);
        dataId = schemaFilePath;
    }

    schemaCdh = factory.getConfigDataHandler(dataId, new SchemaConfigDataListener(this));

    String data = schemaCdh.getData(ConfigDataHandler.GET_DATA_TIMEOUT,
        ConfigDataHandler.FIRST_CACHE_THEN_SERVER_STRATEGY);

    if (data == null) {
        schemaCdh.destory();
        // 尝试找一下andor的版本配置
        dataId = ANDOR_SCHEMA_DATA_ID.format(new Object[] { appName });
        schemaCdh = factory.getConfigDataHandler(dataId, new SchemaConfigDataListener(this));
        data = schemaCdh.getData(ConfigDataHandler.GET_DATA_TIMEOUT,
            ConfigDataHandler.FIRST_CACHE_THEN_SERVER_STRATEGY);

    }

    if (data == null) {
        logger.warn(schemaNullError.format(new Object[] { appName, unitName, schemaFilePath, dataId }));
        return;
    }

    InputStream sis = null;
    try {
        sis = new ByteArrayInputStream(data.getBytes());
        List<TableMeta> schemaList = TableMetaParser.parse(sis);

        this.ss.clear();

        for (TableMeta table : schemaList) {
            this.putTable(table.getTableName(), table);
        }

        logger.warn("table fetched:");
        logger.warn(this.ss.keySet().toString());
    } catch (Exception e) {
        logger.error("table parser error, schema file is:\n" + data, e);
        throw new TddlRuntimeException(e);
    } finally {
        IOUtils.closeQuietly(sis);
    }

}
 

import com.taobao.tddl.config.ConfigDataHandlerFactory; //导入依赖的package包/类
public static ConfigDataHandlerFactory getPreHeatFactory(String appName, String unitName) {
    return new UnitConfigDataHandlerFactory(unitName, appName);
}
 

import com.taobao.tddl.config.ConfigDataHandlerFactory; //导入依赖的package包/类
public static ConfigDataHandlerFactory getFileFactory(String appName) {
    return new FileConfigDataHandlerFactory("", appName, null);
}