Java AnalyticsException類代碼示例

import org.wso2.carbon.analytics.datasource.commons.exception.AnalyticsException; //導入依賴的package包/類
private static EventRecords getAllEventsForDevice(String tableName, String query, List<SortByField> sortByFields
        , int offset, int limit) throws AnalyticsException {
    int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
    AnalyticsDataAPI analyticsDataAPI = getAnalyticsDataAPI();
    EventRecords eventRecords = new EventRecords();
    int eventCount = analyticsDataAPI.searchCount(tenantId, tableName, query);
    if (eventCount == 0) {
        eventRecords.setCount(0);
    }
    List<SearchResultEntry> resultEntries = analyticsDataAPI.search(tenantId, tableName, query, offset, limit,
                                                                    sortByFields);
    List<String> recordIds = getRecordIds(resultEntries);
    AnalyticsDataResponse response = analyticsDataAPI.get(tenantId, tableName, 1, null, recordIds);
    eventRecords.setCount(eventCount);
    eventRecords.setList(AnalyticsDataAPIUtil.listRecords(analyticsDataAPI, response));
    return eventRecords;
}
 

import org.wso2.carbon.analytics.datasource.commons.exception.AnalyticsException; //導入依賴的package包/類
public static JavaRDD<String> getLinesFromDASTable(String tableName, int tenantId, JavaSparkContext sparkContext)
        throws AnalyticsTableNotAvailableException, AnalyticsException {
    JavaRDD<String> lines;
    String tableSchema = extractTableSchema(tableName, tenantId);
    SQLContext sqlCtx = new SQLContext(sparkContext);
    sqlCtx.sql("CREATE TEMPORARY TABLE ML_REF USING org.wso2.carbon.analytics.spark.core.sources.AnalyticsRelationProvider "
            + "OPTIONS ("
            + "tenantId \""
            + tenantId
            + "\", "
            + "tableName \""
            + tableName
            + "\", "
            + "schema \""
            + tableSchema + "\"" + ")");

    DataFrame dataFrame = sqlCtx.sql("select * from ML_REF");
    // Additional auto-generated column "_timestamp" needs to be dropped because it is not in the schema.
    JavaRDD<Row> rows = dataFrame.drop("_timestamp").javaRDD();
    lines = rows.map(new RowsToLines.Builder().separator(CSVFormat.RFC4180.getDelimiter() + "").build());
    return lines;
}
 

import org.wso2.carbon.analytics.datasource.commons.exception.AnalyticsException; //導入依賴的package包/類
public static String extractTableSchema(String path, int tenantId) throws AnalyticsTableNotAvailableException,
        AnalyticsException {
    if (path == null) {
        return null;
    }
    AnalyticsDataAPI analyticsDataApi = (AnalyticsDataAPI) PrivilegedCarbonContext.getThreadLocalCarbonContext()
            .getOSGiService(AnalyticsDataAPI.class, null);
    // table schema will be something like; <col1_name> <col1_type>,<col2_name> <col2_type>
    StringBuilder sb = new StringBuilder();
    AnalyticsSchema analyticsSchema = analyticsDataApi.getTableSchema(tenantId, path);
    Map<String, ColumnDefinition> columnsMap = analyticsSchema.getColumns();
    for (Iterator<Map.Entry<String, ColumnDefinition>> iterator = columnsMap.entrySet().iterator(); iterator
            .hasNext();) {
        Map.Entry<String, ColumnDefinition> column = iterator.next();
        sb.append(column.getKey() + " " + column.getValue().getType().name() + ",");
    }

    return sb.substring(0, sb.length() - 1);
}
 

import org.wso2.carbon.analytics.datasource.commons.exception.AnalyticsException; //導入依賴的package包/類
public static String extractHeaderLine(String path, int tenantId) throws AnalyticsTableNotAvailableException,
        AnalyticsException {
    if (path == null) {
        return null;
    }

    AnalyticsDataAPI analyticsDataApi = (AnalyticsDataAPI) PrivilegedCarbonContext.getThreadLocalCarbonContext()
            .getOSGiService(AnalyticsDataAPI.class, null);
    // header line will be something like; <col1_name>,<col2_name>
    StringBuilder sb = new StringBuilder();
    AnalyticsSchema analyticsSchema = analyticsDataApi.getTableSchema(tenantId, path);
    Map<String, ColumnDefinition> columnsMap = analyticsSchema.getColumns();
    for (String columnName : columnsMap.keySet()) {
        sb.append(columnName + ",");
    }

    return sb.substring(0, sb.length() - 1);
}
 

import org.wso2.carbon.analytics.datasource.commons.exception.AnalyticsException; //導入依賴的package包/類
public static List<SensorRecord> getAllEventsForDevice(String tableName, String query,
                                                       List<SortByField> sortByFields) throws AnalyticsException {
    int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
    AnalyticsDataAPI analyticsDataAPI = getAnalyticsDataAPI();
    int eventCount = analyticsDataAPI.searchCount(tenantId, tableName, query);
    // limiting the data read from the server
    int start = 0;
    int dataCount = 100;
    if (eventCount == 0) {
        return null;
    } else if (eventCount >= dataCount){
        start = eventCount - dataCount;
    }

    List<SearchResultEntry> resultEntries = analyticsDataAPI.search(tenantId, tableName, query, start, eventCount,
                                                                    sortByFields);
    List<String> recordIds = getRecordIds(resultEntries);
    AnalyticsDataResponse response = analyticsDataAPI.get(tenantId, tableName, 1, null, recordIds);
    Map<String, SensorRecord> sensorDatas = createSensorData(AnalyticsDataAPIUtil.listRecords(
            analyticsDataAPI, response));
    List<SensorRecord> sortedSensorData = getSortedSensorData(sensorDatas, resultEntries);
    return sortedSensorData;
}
 

import org.wso2.carbon.analytics.datasource.commons.exception.AnalyticsException; //導入依賴的package包/類
/**
 * Get sensor data for a device.
 *
 * @param tableName    table name of the data source
 * @param query        query for the table
 * @param sortByFields list of fields to sort the data by
 * @return List of SensorRecords that is sorted by the fields provided
 * @throws AnalyticsException
 */
public static List<SensorRecord> getAllEventsForDevice(String tableName, String query,
                                                       List<SortByField> sortByFields) throws AnalyticsException {
    int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
    AnalyticsDataAPI analyticsDataAPI = getAnalyticsDataAPI();
    int eventCount = analyticsDataAPI.searchCount(tenantId, tableName, query);
    if (eventCount == 0) {
        return null;
    }
    List<SearchResultEntry> resultEntries = analyticsDataAPI.search(tenantId, tableName, query, 0, eventCount,
            sortByFields);
    List<String> recordIds = getRecordIds(resultEntries);
    AnalyticsDataResponse response = analyticsDataAPI.get(tenantId, tableName, 1, null, recordIds);
    Map<String, SensorRecord> sensorDatas = createSensorData(AnalyticsDataAPIUtil.listRecords(
            analyticsDataAPI, response));
    List<SensorRecord> sortedSensorData = getSortedSensorData(sensorDatas, resultEntries);
    return sortedSensorData;
}
 

import org.wso2.carbon.analytics.datasource.commons.exception.AnalyticsException; //導入依賴的package包/類
public static List<SensorRecord> getAllEventsForDevice(String tableName, String query,
                                                       List<SortByField> sortByFields) throws AnalyticsException {
    int tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
    AnalyticsDataAPI analyticsDataAPI = getAnalyticsDataAPI();
    int eventCount = analyticsDataAPI.searchCount(tenantId, tableName, query);
    if (eventCount == 0) {
        return null;
    }
    List<SearchResultEntry> resultEntries = analyticsDataAPI.search(tenantId, tableName, query, 0, eventCount,
            sortByFields);
    List<String> recordIds = getRecordIds(resultEntries);
    AnalyticsDataResponse response = analyticsDataAPI.get(tenantId, tableName, 1, null, recordIds);
    Map<String, SensorRecord> sensorDatas = createSensorData(AnalyticsDataServiceUtils.listRecords(
            analyticsDataAPI, response));
    List<SensorRecord> sortedSensorData = getSortedSensorData(sensorDatas, resultEntries);
    return sortedSensorData;
}
 

import org.wso2.carbon.analytics.datasource.commons.exception.AnalyticsException; //導入依賴的package包/類
private List<Event> getEventBeans(AnalyticsDataAPI analyticsDataAPI, int tenantId, String tableName,
                                  List<String> columns,
                                  List<SearchResultEntry> searchResults) throws AnalyticsException {
    List<String> ids = getIds(searchResults);
    List<String> requiredColumns = (columns == null || columns.isEmpty()) ? null : columns;
    AnalyticsDataResponse response = analyticsDataAPI.get(tenantId, tableName, 1, requiredColumns, ids);
    List<Record> records = AnalyticsDataAPIUtil.listRecords(analyticsDataAPI, response);
    Map<String, Event> eventBeanMap = getEventBeanKeyedWithIds(records);
    return getSortedEventBeans(eventBeanMap, searchResults);
}
 

import org.wso2.carbon.analytics.datasource.commons.exception.AnalyticsException; //導入依賴的package包/類
public void process() throws MLDataProcessingException {
    MLDataset dataset = getDataset();
    setTargetPath(dataset.getSourcePath());
    try {
        setFirstLine(MLUtils.extractHeaderLine(dataset.getSourcePath(), dataset.getTenantId()));
    } catch (AnalyticsException e) {
        throw new MLDataProcessingException(e.getMessage(), e);
    }
}