com.github.quintans.ezSQL.db

Class Column<T>

java.lang.Object

com.github.quintans.ezSQL.Base<T>

com.github.quintans.ezSQL.db.Column<T>

Type Parameters:

T -

public class Column<T>
extends Base<T>

Definição das colunas a usar numa tabela. ou na obtenção de uma nova(NEW) coluna

Field Summary

Fields

Modifier and Type	Field and Description
protected String	alias construtor
protected String	name nome da coluna
protected Table	table referencia para a tabela
protected NullSql	type

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Column()
	Column(String column, NullSql type) Creates a column of a table

Method Summary

Modifier and Type	Method and Description
<C> Column<C>	AS(String alias)
<C> Column<C>	deletion() set this as a deletion column
boolean	equals(Object o)
String	getAlias()
String	getName() obtem o nome da coluna
Table	getTable() obtem a referencia para a tabela a que pertence esta coluna
NullSql	getType()
int	hashCode()
Condition	is()
boolean	isDeletion()
boolean	isKey() indica se é uma coluna chave
boolean	isMandatory()
boolean	isVersion()
<C> Column<C>	key() set this as a key column
Column<T>	mandatory() set this as a mandatory column
ColumnHolder	of(String tableAlias)
Function	param()
String	toString() devolve a representação em String desta coluna.
<C> Column<C>	version() set this as a version column
Column<T>	WITH(T... values)

Methods inherited from class com.github.quintans.ezSQL.Base

different, different, gt, gt, gtoe, gtoe, iLike, iLike, iMatches, iMatches, in, in, in, is, is, isNotNull, isNull, like, like, lt, lt, ltoe, ltoe, not, range, range

Methods inherited from class java.lang.Object

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

Field Detail

table

protected Table table

referencia para a tabela

name

protected String name

nome da coluna

alias

protected String alias

construtor

type

protected NullSql type

Constructor Detail

Column

protected Column()

Column

public Column(String column,
              NullSql type)

Creates a column of a table

Parameters:

column - The name of the column

type - column type

Method Detail

getType

public NullSql getType()

AS

public <C> Column<C> AS(String alias)

Parameters:

alias - The alias of the column

Returns:

of

public ColumnHolder of(String tableAlias)

key

public <C> Column<C> key()

set this as a key column

Returns:

mandatory

public Column<T> mandatory()

set this as a mandatory column

Returns:

version

public <C> Column<C> version()

set this as a version column

Returns:

deletion

public <C> Column<C> deletion()

set this as a deletion column

Returns:

WITH

public Column<T> WITH(T... values)

getTable

public Table getTable()

obtem a referencia para a tabela a que pertence esta coluna

Returns:

a tabela

getAlias

public String getAlias()

getName

public String getName()

obtem o nome da coluna

Returns:

nome da coluna

isKey

public boolean isKey()

indica se é uma coluna chave

Returns:

se é coluna chave

isMandatory

public boolean isMandatory()

isVersion

public boolean isVersion()

isDeletion

public boolean isDeletion()

is

public Condition is()

param

public Function param()

toString

public String toString()

devolve a representação em String desta coluna.

Overrides:

toString in class Object

Returns:

devolve string com o formato 'table.coluna'

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object