proper.relaggs
Class RelaggsAttribute

java.lang.Object
  proper.relaggs.RelaggsAttribute

All Implemented Interfaces:

java.lang.Comparable

public class RelaggsAttribute
extends java.lang.Object
implements java.lang.Comparable

Title: RelaggsAttribute Description: Represents a table attribute. Copyright: 2002 Susanne Streuer
ChangeLog:

• FracPete (2004-05-28):
  • changed MySQL specific type-names to JDBC-types
  • getTypeCreate changed to ANSI-SQL types

Version:

$Revision: 1.1 $

Author:

Susanne Streuer

Field Summary

static int	TYPE_CHAR Constant representing a short text (less than 256 digits) [char, varchar, tinyblob, tinytext].
static int	TYPE_DATE Constant representing a date [date].
static int	TYPE_DATETIME Constant representing a date and a time [timestamp, datetime].
static int	TYPE_ENUM Constant representing an enumeration [enum].
static int	TYPE_INT Constant representing an integer [tinyint, smallint, mediumint, int, integer, bigint, year].
static int	TYPE_REAL Constant representing a real [float, double, real, decimal, numeric].
static int	TYPE_SET Constant representing a set [set].
static int	TYPE_TEXT Constant representing a long text (more than 255 digits) [blob, mediumblob, longblob, text, mediumtext, longtext].
static int	TYPE_TIME Constant representing a time [time].
static int	TYPE_UNKNOWN Constant representing an unknown data type.

Constructor Summary

RelaggsAttribute(java.lang.String name, java.lang.String jdbc_type, java.lang.String type_name, int type_size)
Creates a new RelaggsAttribute.

Method Summary

int	compareTo(java.lang.Object o) Compares this attribute to the given object.
boolean	equals(java.lang.Object obj) Returns true if the given object is a RelaggsAttribute and its name equals the name of this attribute.
java.lang.String	getAggregateFunctions(java.lang.String table_name, java.lang.String table_short_name, boolean is_primary_key) Returns a SQL statement containing the standard aggregate functions of the attribute according to its type.
java.lang.String	getName() Returns the name of the attribute.
int	getType() Returns the type constant of the attribute.
java.lang.String	getTypeCreate() Returns the SQL create description of the attribute type (type_name and type_size). FracPete: changed to ANSI types
java.lang.String	getTypeName() Returns the name of the attribute's type.
java.lang.String	toString() Returns the name of the attribute.

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

TYPE_UNKNOWN

public static final int TYPE_UNKNOWN

Constant representing an unknown data type.

See Also:

Constant Field Values

TYPE_INT

public static final int TYPE_INT

Constant representing an integer [tinyint, smallint, mediumint, int, integer, bigint, year].

See Also:

Constant Field Values

TYPE_REAL

public static final int TYPE_REAL

Constant representing a real [float, double, real, decimal, numeric].

See Also:

Constant Field Values

TYPE_CHAR

public static final int TYPE_CHAR

Constant representing a short text (less than 256 digits) [char, varchar, tinyblob, tinytext].

See Also:

Constant Field Values

TYPE_TEXT

public static final int TYPE_TEXT

Constant representing a long text (more than 255 digits) [blob, mediumblob, longblob, text, mediumtext, longtext].

See Also:

Constant Field Values

TYPE_DATE

public static final int TYPE_DATE

Constant representing a date [date].

See Also:

Constant Field Values

TYPE_DATETIME

public static final int TYPE_DATETIME

Constant representing a date and a time [timestamp, datetime].

See Also:

Constant Field Values

TYPE_TIME

public static final int TYPE_TIME

Constant representing a time [time].

See Also:

Constant Field Values

TYPE_ENUM

public static final int TYPE_ENUM

Constant representing an enumeration [enum].

See Also:

Constant Field Values

TYPE_SET

public static final int TYPE_SET

Constant representing a set [set].

See Also:

Constant Field Values

Constructor Detail

RelaggsAttribute

public RelaggsAttribute(java.lang.String name,
                        java.lang.String jdbc_type,
                        java.lang.String type_name,
                        int type_size)

Creates a new RelaggsAttribute.

Parameters:

name - the name of the attribute

jdbc_type - the JDBC type of the attribute

type_name - the type name of the attribute

type_size - the size of the attribute, e.g., 20 for VARCHAR(20)

Method Detail

getTypeName

public java.lang.String getTypeName()

Returns the name of the attribute's type.

Returns:

type of the attribute

getTypeCreate

public java.lang.String getTypeCreate()

Returns the SQL create description of the attribute type (type_name and type_size).
FracPete: changed to ANSI types

toString

public java.lang.String toString()

Returns the name of the attribute.

Overrides:

toString in class java.lang.Object

getName

public java.lang.String getName()

Returns the name of the attribute.

Returns:

name of the attribute

getType

public int getType()

Returns the type constant of the attribute.

Returns:

type constant

getAggregateFunctions

public java.lang.String getAggregateFunctions(java.lang.String table_name,
                                              java.lang.String table_short_name,
                                              boolean is_primary_key)

Returns a SQL statement containing the standard aggregate functions of the attribute according to its type.

Parameters:

table_name - the name of the table which includes this attribute

table_short_name - the short name of the table which includes this attribute

is_primary_key - true if the attribute is the primary key of the table; else false

compareTo

public int compareTo(java.lang.Object o)

Compares this attribute to the given object. If the object is a RelaggsAttribute compares the names of both attributes.

Specified by:

compareTo in interface java.lang.Comparable

equals

public boolean equals(java.lang.Object obj)

Returns true if the given object is a RelaggsAttribute and its name equals the name of this attribute.

Overrides:

equals in class java.lang.Object