Package org.apache.iotdb.db.query.executor.fill

Class LastPointReader

java.lang.Object

org.apache.iotdb.db.query.executor.fill.LastPointReader

Direct Known Subclasses:

AlignedLastPointReader

public class LastPointReader
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
LastPointReader(org.apache.iotdb.commons.path.PartialPath seriesPath, org.apache.iotdb.tsfile.file.metadata.enums.TSDataType dataType, java.util.Set<java.lang.String> measurements, QueryContext context, QueryDataSource dataSource, long queryTime, org.apache.iotdb.tsfile.read.filter.basic.Filter timeFilter)

Method Summary

Modifier and Type	Method	Description
protected org.apache.iotdb.tsfile.file.metadata.ITimeSeriesMetadata	loadTimeSeriesMetadata(TsFileResource resource, org.apache.iotdb.commons.path.PartialPath seriesPath, QueryContext context, org.apache.iotdb.tsfile.read.filter.basic.Filter filter, java.util.Set<java.lang.String> allSensors)
org.apache.iotdb.tsfile.read.TimeValuePair	readLastPoint()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LastPointReader

public LastPointReader(org.apache.iotdb.commons.path.PartialPath seriesPath,
                       org.apache.iotdb.tsfile.file.metadata.enums.TSDataType dataType,
                       java.util.Set<java.lang.String> measurements,
                       QueryContext context,
                       QueryDataSource dataSource,
                       long queryTime,
                       org.apache.iotdb.tsfile.read.filter.basic.Filter timeFilter)

Method Detail

readLastPoint

public org.apache.iotdb.tsfile.read.TimeValuePair readLastPoint()
                                                         throws java.io.IOException

Throws:

java.io.IOException

loadTimeSeriesMetadata

protected org.apache.iotdb.tsfile.file.metadata.ITimeSeriesMetadata loadTimeSeriesMetadata(TsFileResource resource,
                                                                                           org.apache.iotdb.commons.path.PartialPath seriesPath,
                                                                                           QueryContext context,
                                                                                           org.apache.iotdb.tsfile.read.filter.basic.Filter filter,
                                                                                           java.util.Set<java.lang.String> allSensors)
                                                                                    throws java.io.IOException

Throws:

java.io.IOException