Package tech.tablesaw.io.saw

Class TableMetadata

java.lang.Object

tech.tablesaw.io.saw.TableMetadata

@Beta
public class TableMetadata
extends Object

Data about a specific physical table used in its persistence

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TableMetadata()	Default constructor for Jackson json serialization

Method Summary

Modifier and Type	Method	Description
int	columnCount()	Returns the number of columns in the table
List<String>	columnNames()	Returns a List of the names of all the columns in this table
boolean	equals(Object o)
String	getName()	Returns the name of the table
int	getRowCount()	Returns the number of rows in the table
int	hashCode()
String	shape()	Returns a string describing the number of rows and columns in the table.
tech.tablesaw.api.Table	structure()	Returns a table that describes the columns in this table

Methods inherited from class java.lang.Object

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

Constructor Detail

TableMetadata

protected TableMetadata()

Default constructor for Jackson json serialization

Method Detail

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getName

public String getName()

Returns the name of the table

getRowCount

public int getRowCount()

Returns the number of rows in the table

columnCount

public int columnCount()

Returns the number of columns in the table

shape

public String shape()

Returns a string describing the number of rows and columns in the table. This is analogous to the shape() method defined on Relation.

columnNames

public List<String> columnNames()

Returns a List of the names of all the columns in this table

structure

public tech.tablesaw.api.Table structure()

Returns a table that describes the columns in this table