Package org.apache.iotdb.db.metadata.idtable

Interface IDTable

    • Field Detail

      • logger

        static final org.slf4j.Logger logger
        logger

    • Method Detail

      • createAlignedTimeseries

        void createAlignedTimeseries​(CreateAlignedTimeSeriesPlan plan)
                      throws org.apache.iotdb.commons.exception.MetadataException
        create aligned timeseries
        Parameters:
        plan - create aligned timeseries plan
        Throws:
        org.apache.iotdb.commons.exception.MetadataException - if the device is not aligned, throw it

      • createTimeseries

        void createTimeseries​(CreateTimeSeriesPlan plan)
               throws org.apache.iotdb.commons.exception.MetadataException
        create timeseries
        Parameters:
        plan - create timeseries plan
        Throws:
        org.apache.iotdb.commons.exception.MetadataException - if the device is aligned, throw it

      • deleteTimeseries

        org.apache.iotdb.tsfile.utils.Pair<java.lang.Integer,​java.util.Set<java.lang.String>> deleteTimeseries​(java.util.List<org.apache.iotdb.commons.path.PartialPath> fullPaths)
                                                                                                      throws org.apache.iotdb.commons.exception.MetadataException
        Delete all timeseries matching the given paths
        Parameters:
        fullPaths - paths to be deleted
        Returns:
        deletion failed Timeseries
        Throws:
        org.apache.iotdb.commons.exception.MetadataException

      • getSeriesSchemas

        IDeviceID getSeriesSchemas​(InsertPlan plan)
                    throws org.apache.iotdb.commons.exception.MetadataException
        check inserting timeseries existence and fill their measurement mnode
        Parameters:
        plan - insert plan
        Returns:
        reusable device id
        Throws:
        org.apache.iotdb.commons.exception.MetadataException - if insert plan's aligned value is inconsistent with device

      • registerTrigger

        void registerTrigger​(org.apache.iotdb.commons.path.PartialPath fullPath,
                     IMeasurementMNode measurementMNode)
              throws org.apache.iotdb.commons.exception.MetadataException
        register trigger to the timeseries
        Parameters:
        fullPath - full path of the timeseries
        measurementMNode - the timeseries measurement mnode
        Throws:
        org.apache.iotdb.commons.exception.MetadataException - if the timeseries is not exits

      • deregisterTrigger

        void deregisterTrigger​(org.apache.iotdb.commons.path.PartialPath fullPath,
                       IMeasurementMNode measurementMNode)
                throws org.apache.iotdb.commons.exception.MetadataException
        deregister trigger to the timeseries
        Parameters:
        fullPath - full path of the timeseries
        measurementMNode - the timeseries measurement mnode
        Throws:
        org.apache.iotdb.commons.exception.MetadataException - if the timeseries is not exits

      • getLastCache

        org.apache.iotdb.tsfile.read.TimeValuePair getLastCache​(TimeseriesID timeseriesID)
                                                 throws org.apache.iotdb.commons.exception.MetadataException
        get last cache of the timeseies
        Parameters:
        timeseriesID - timeseries ID of the timeseries
        Throws:
        org.apache.iotdb.commons.exception.MetadataException - if the timeseries is not exits

      • updateLastCache

        void updateLastCache​(TimeseriesID timeseriesID,
                     org.apache.iotdb.tsfile.read.TimeValuePair pair,
                     boolean highPriorityUpdate,
                     java.lang.Long latestFlushedTime)
              throws org.apache.iotdb.commons.exception.MetadataException
        update last cache of the timeseies
        Parameters:
        timeseriesID - timeseries ID of the timeseries
        pair - last time value pair
        highPriorityUpdate - is high priority update
        latestFlushedTime - last flushed time
        Throws:
        org.apache.iotdb.commons.exception.MetadataException - if the timeseries is not exits

      • clear

        void clear()
    throws java.io.IOException
        clear id table and close file
        Throws:
        java.io.IOException

      • getDeviceEntry

        DeviceEntry getDeviceEntry​(java.lang.String deviceName)
        get device entry from device path
        Parameters:
        deviceName - device name of the time series
        Returns:
        device entry of the timeseries

      • getSeriesSchema

        org.apache.iotdb.tsfile.write.schema.IMeasurementSchema getSeriesSchema​(java.lang.String deviceName,
                                                                        java.lang.String measurementName)
        get schema from device and measurements
        Parameters:
        deviceName - device name of the time series
        measurementName - measurement name of the time series
        Returns:
        schema entry of the timeseries

      • getAllDeviceEntry

        java.util.List<DeviceEntry> getAllDeviceEntry()
        get all device entries
        Returns:
        all device entries

      • putSchemaEntry

        void putSchemaEntry​(java.lang.String devicePath,
                    java.lang.String measurement,
                    SchemaEntry schemaEntry,
                    boolean isAligned)
             throws org.apache.iotdb.commons.exception.MetadataException
        put schema entry to id table, currently used in recover
        Parameters:
        devicePath - device path (can be device id formed path)
        measurement - measurement name
        schemaEntry - schema entry to put
        isAligned - is the device aligned
        Throws:
        org.apache.iotdb.commons.exception.MetadataException

      • translateQueryPath

        static org.apache.iotdb.commons.path.PartialPath translateQueryPath​(org.apache.iotdb.commons.path.PartialPath fullPath)
        translate query path's device path to device id
        Parameters:
        fullPath - full query path
        Returns:
        translated query path

      • getDiskSchemaEntries

        java.util.List<DiskSchemaEntry> getDiskSchemaEntries​(java.util.List<SchemaEntry> schemaEntries)
        get DiskSchemaEntries from disk file
        Parameters:
        schemaEntries - get the disk pointers from schemaEntries
        Returns:
        DiskSchemaEntries