Package org.yamcs.yarch

Class TupleDefinition

java.lang.Object

org.yamcs.yarch.TupleDefinition

public class TupleDefinition
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static int	MAX_COLS

Constructor Summary

Constructors

Constructor	Description
TupleDefinition()

Method Summary

Modifier and Type	Method	Description
void	addColumn(String name, DataType type)
void	addColumn(ColumnDefinition c)
TupleDefinition	copy()
ColumnDefinition	getColumn(int index)
ColumnDefinition	getColumn(String name)	Get a column definition by name
List<ColumnDefinition>	getColumnDefinitions()
int	getColumnIndex(String name)	returns the index of the column with name or -1 if there is no such column
String	getStringDefinition()	Returns a string "(col1 type, col2 type2, ....)"
String	getStringDefinition1()	Returns a string "col1 type, col2 type2, ...."
boolean	hasColumn(String name)
int	size()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

MAX_COLS

public static final int MAX_COLS

See Also:

Constant Field Values

Constructor Detail

TupleDefinition

public TupleDefinition()

Method Detail

getColumnDefinitions

public List<ColumnDefinition> getColumnDefinitions()

addColumn

public void addColumn(String name,
                      DataType type)

addColumn

public void addColumn(ColumnDefinition c)

getColumnIndex

public int getColumnIndex(String name)

returns the index of the column with name or -1 if there is no such column

Parameters:

name -

Returns:

the index of the column with name or -1 if there is no such column

hasColumn

public boolean hasColumn(String name)

getColumn

public ColumnDefinition getColumn(String name)

Get a column definition by name

Parameters:

name -

Returns:

the column definition of the named column or null if the table does not have a column by that name

getColumn

public ColumnDefinition getColumn(int index)

getStringDefinition

public String getStringDefinition()

Returns a string "(col1 type, col2 type2, ....)" suitable to be used in create stream

getStringDefinition1

public String getStringDefinition1()

Returns a string "col1 type, col2 type2, ...." (without parenthesis) suitable to be used in create table

size

public int size()

Returns:

number of columns part of the tuple

copy

public TupleDefinition copy()

Returns:

a copy of the tuple definition that can be used to add columns

toString

public String toString()

Overrides:

toString in class Object