org.objectweb.cjdbc.common.sql.schema
Class DatabaseColumn

java.lang.Object
  org.objectweb.cjdbc.common.sql.schema.DatabaseColumn

All Implemented Interfaces:

java.io.Serializable

public class DatabaseColumn

extends java.lang.Object

implements java.io.Serializable

A DatabaseColumn represents a column of a database table. It is composed of a name, type (not used yet) and a boolean indicated whether or not rows are unique or not (like primary keys or columns created explicitely with the UNIQUE keyword).

Version:

1.0

Author:

Emmanuel Cecchet, Julie Marguerite

See Also:

Serialized Form

Field Summary

private boolean	isUnique true if this column has a UNIQUE constraint (like primary keys for example).
private java.lang.String	name Column name.
private int	type Type of the column (VARCHAR,TEXT, ...).

Constructor Summary

DatabaseColumn(java.lang.String name, boolean isUnique)
Creates a new DatabaseColumn instance.

DatabaseColumn(java.lang.String name, boolean isUnique, int type)
Creates a new DatabaseColumn instance.

Method Summary

boolean	equals(java.lang.Object other) Two DatabaseColumn are considered equal if they have the same name and type and if they are both unique or both non unique.
boolean	equalsIgnoreType(java.lang.Object other) This function is the same as equal but ignores the column type.
java.lang.String	getName() Gets the column name.
int	getType() Returns the column type according to java.sql.Types.
java.lang.String	getXml() Get xml information about this column.
boolean	isUnique() Tests if the column has a UNIQUE constraint (like primary keys for example).
void	setIsUnique(boolean bool) Sets the value of isUnique.

Methods inherited from class java.lang.Object

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

Field Detail

name

private java.lang.String name

Column name.

isUnique

private boolean isUnique

true if this column has a UNIQUE constraint (like primary keys for example).

type

private int type

Type of the column (VARCHAR,TEXT, ...).

Constructor Detail

DatabaseColumn

public DatabaseColumn(java.lang.String name,
                      boolean isUnique)

Creates a new DatabaseColumn instance.

Parameters:

name - name of the column

isUnique - true if this column has a UNIQUE constraint

DatabaseColumn

public DatabaseColumn(java.lang.String name,
                      boolean isUnique,
                      int type)

Creates a new DatabaseColumn instance.

Parameters:

name - name of the column

isUnique - true if this column has a UNIQUE constraint

type - type of the column (VARCHAR,TEXT, ...)

Method Detail

getName

public java.lang.String getName()

Gets the column name.

Returns:

a String value.

isUnique

public boolean isUnique()

Tests if the column has a UNIQUE constraint (like primary keys for example).

Returns:

true if the column has a UNIQUE constraint

setIsUnique

public void setIsUnique(boolean bool)

Sets the value of isUnique.

Parameters:

bool - true if the column has a UNIQUE constraint (like primary keys for example).

getType

public int getType()

Returns the column type according to java.sql.Types.

Returns:

the column type. Returns Types.NULL if the type is not set.

See Also:

Types

equals

public boolean equals(java.lang.Object other)

Two DatabaseColumn are considered equal if they have the same name and type and if they are both unique or both non unique.

Parameters:

other - the object to compare with

Returns:

true if the columns are equal

equalsIgnoreType

public boolean equalsIgnoreType(java.lang.Object other)

This function is the same as equal but ignores the column type.

Parameters:

other - the object to compare with

Returns:

true if the columns are equal ignoring their type.

See Also:

equals(Object)

getXml

public java.lang.String getXml()

Get xml information about this column.

Returns:

xml formatted information on this database column.