uba.db.sql.language
Class ColumnConstraintDeclaration

java.lang.Object
  uba.db.sql.language.ColumnConstraintDeclaration

public class ColumnConstraintDeclaration
extends java.lang.Object

Contiene los constraints que puede poseer una columna de forma individual. (por ejemplo si puede o no ser null, si es un primary key, etc).

Version:

$Revision: 1.4 $

Field Summary

static ColumnConstraintDeclaration	DEFAULT Instancia que representa el constraint por DEFAUL (es decir no hay constraints por nulos y de primary key).
static ColumnConstraintDeclaration	NOT_NULL Instancia que representa el constraint NOT NULL
static ColumnConstraintDeclaration	PRIMARY_KEY Instancia que representa el constraint PRIMARY KEY

Constructor Summary

ColumnConstraintDeclaration(boolean notNull, boolean unique, boolean primaryKey)

Method Summary

boolean	equals(java.lang.Object obj)
int	hashCode()
boolean	notNull() Retorna true si la columna no puede contener valores nulos.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

NOT_NULL

public static final ColumnConstraintDeclaration NOT_NULL

Instancia que representa el constraint NOT NULL

DEFAULT

public static final ColumnConstraintDeclaration DEFAULT

Instancia que representa el constraint por DEFAUL (es decir no hay constraints por nulos y de primary key).

PRIMARY_KEY

public static final ColumnConstraintDeclaration PRIMARY_KEY

Instancia que representa el constraint PRIMARY KEY

Constructor Detail

ColumnConstraintDeclaration

public ColumnConstraintDeclaration(boolean notNull,
                                   boolean unique,
                                   boolean primaryKey)

Method Detail

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

See Also:

Object.equals(java.lang.Object)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

See Also:

Object.hashCode()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

See Also:

Object.toString()

notNull

public boolean notNull()

Retorna true si la columna no puede contener valores nulos.