com.xxdb.data

Class BasicTable

java.lang.Object

com.xxdb.data.AbstractEntity

com.xxdb.data.BasicTable

All Implemented Interfaces:

Entity, Table

public class BasicTable
extends AbstractEntity
implements Table

Corresponds to DolphinDB table object

Nested Class Summary

Nested classes/interfaces inherited from interface com.xxdb.data.Entity

Entity.DATA_CATEGORY, Entity.DATA_FORM, Entity.DATA_TYPE, Entity.DURATION, Entity.PARTITION_TYPE

Constructor Summary

Constructors

Constructor and Description
BasicTable(ExtendedDataInput in)
BasicTable(List<String> colNames, List<Vector> cols)

Method Summary

Modifier and Type	Method and Description
void	addColumn(String colName, Vector col)
int	columns()
BasicTable	combine(BasicTable table)
Vector	getColumn(int index)
Vector	getColumn(String name)
int[]	getColumnCompressTypes()
String	getColumnName(int index)
Entity.DATA_CATEGORY	getDataCategory()
Entity.DATA_FORM	getDataForm()
Entity.DATA_TYPE	getDataType()
String	getRowJson(int rowIndex)
String	getString()
Table	getSubTable(int[] indices)
Table	getSubTable(int startRow, int endRow)
void	replaceColName(String originalColName, String newColName) replace a specific colName.
void	replaceColumn(String colName, Vector col) Replace modifies the specified column.
int	rows()
void	setColName(List<String> colNames) set columns' names
void	setColumnCompressTypes(int[] colCompresses)
void	setColumns(List<Vector> cols)
void	write(ExtendedDataOutput out)
void	writeCompressed(ExtendedDataOutput output)

Methods inherited from class com.xxdb.data.AbstractEntity

getDataCategory, isChart, isChunk, isDictionary, isMatrix, isPair, isScalar, isTable, isVector

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.xxdb.data.Entity

isChart, isChunk, isDictionary, isMatrix, isPair, isScalar, isTable, isVector, typeToCategory

Constructor Detail

BasicTable

public BasicTable(ExtendedDataInput in)
           throws IOException

Throws:

IOException

BasicTable

public BasicTable(List<String> colNames,
                  List<Vector> cols)

Method Detail

setColumnCompressTypes

public void setColumnCompressTypes(int[] colCompresses)

Specified by:

setColumnCompressTypes in interface Table

getColumnCompressTypes

public int[] getColumnCompressTypes()

setColName

public void setColName(List<String> colNames)

set columns' names

Parameters:

colNames -

setColumns

public void setColumns(List<Vector> cols)

getDataCategory

public Entity.DATA_CATEGORY getDataCategory()

Specified by:

getDataCategory in interface Entity

getDataType

public Entity.DATA_TYPE getDataType()

Specified by:

getDataType in interface Entity

getDataForm

public Entity.DATA_FORM getDataForm()

Specified by:

getDataForm in interface Entity

Specified by:

getDataForm in class AbstractEntity

rows

public int rows()

Specified by:

rows in interface Entity

columns

public int columns()

Specified by:

columns in interface Entity

getColumn

public Vector getColumn(int index)

Specified by:

getColumn in interface Table

getColumn

public Vector getColumn(String name)

Specified by:

getColumn in interface Table

getColumnName

public String getColumnName(int index)

Specified by:

getColumnName in interface Table

getString

public String getString()

Specified by:

getString in interface Entity

getRowJson

public String getRowJson(int rowIndex)

write

public void write(ExtendedDataOutput out)
           throws IOException

Specified by:

write in interface Entity

Throws:

IOException

writeCompressed

public void writeCompressed(ExtendedDataOutput output)
                     throws IOException

Specified by:

writeCompressed in interface Entity

Throws:

IOException

combine

public BasicTable combine(BasicTable table)

getSubTable

public Table getSubTable(int[] indices)

Specified by:

getSubTable in interface Table

getSubTable

public Table getSubTable(int startRow,
                         int endRow)

addColumn

public void addColumn(String colName,
                      Vector col)

Specified by:

addColumn in interface Table

replaceColName

public void replaceColName(String originalColName,
                           String newColName)

replace a specific colName.

Parameters:

originalColName -

newColName -

replaceColumn

public void replaceColumn(String colName,
                          Vector col)

Replace modifies the specified column.

Specified by:

replaceColumn in interface Table

Parameters:

colName -

col -