org.apache.iotdb.tsfile.read.query.dataset

Class DataSetWithoutTimeGenerator

java.lang.Object

org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

org.apache.iotdb.tsfile.read.query.dataset.DataSetWithoutTimeGenerator

public class DataSetWithoutTimeGenerator
extends QueryDataSet

multi-way merging data set, no need to use TimeGenerator.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

QueryDataSet.EndPoint

Field Summary

Fields inherited from class org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

alreadyReturnedRowNum, ascending, columnNum, dataTypes, endPoint, fetchSize, paths, rowLimit, rowOffset, withoutAllNull, withoutAnyNull, withoutNullColumnsIndex

Constructor Summary

Constructors

Constructor and Description
DataSetWithoutTimeGenerator(List<Path> paths, List<TSDataType> dataTypes, List<AbstractFileSeriesReader> readers) constructor of DataSetWithoutTimeGenerator.

Method Summary

Modifier and Type	Method and Description
boolean	hasNextWithoutConstraint()
RowRecord	nextWithoutConstraint()

Methods inherited from class org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet

decreaseAlreadyReturnedRowNum, getColumnNum, getDataTypes, getEndPoint, getPaths, getRowLimit, getRowOffset, getWithoutNullColumnsIndex, hasLimit, hasNext, initQueryDataSetFields, isWithoutAllNull, isWithoutAnyNull, next, setColumnNum, setDataTypes, setEndPoint, setFetchSize, setRowLimit, setRowOffset, setWithoutAllNull, setWithoutAnyNull, setWithoutNullColumnsIndex, withoutNullFilter

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSetWithoutTimeGenerator

public DataSetWithoutTimeGenerator(List<Path> paths,
                                   List<TSDataType> dataTypes,
                                   List<AbstractFileSeriesReader> readers)
                            throws IOException

constructor of DataSetWithoutTimeGenerator.

Parameters:

paths - paths in List structure

dataTypes - TSDataTypes in List structure

readers - readers in List(FileSeriesReaderByTimestamp) structure

Throws:

IOException - IOException

Method Detail

hasNextWithoutConstraint

public boolean hasNextWithoutConstraint()

Specified by:

hasNextWithoutConstraint in class QueryDataSet

nextWithoutConstraint

public RowRecord nextWithoutConstraint()
                                throws IOException

Specified by:

nextWithoutConstraint in class QueryDataSet

Throws:

IOException