pl.kernelpanic.dbmonster.generator
Class StringKeyGenerator

java.lang.Object
  pl.kernelpanic.dbmonster.generator.StringKeyGenerator

All Implemented Interfaces:

Initializable, KeyGenerator

public class StringKeyGenerator
extends Object
implements KeyGenerator, Initializable

The string key generator uses sort of string magic known from Perl. in short it starts from i.e. "aaaaa" and increment it by one: "aaaab", "aaaac"....

Version:

$Id: StringKeyGenerator.java,v 1.4 2006/01/05 16:29:37 majek Exp $

Author:

Piotr Maj <pm@jcake.com>

Field Summary

static char[]	CHARS Chars.
static String	DEFAULT_VALUE Default value.

Constructor Summary

StringKeyGenerator()

Method Summary

List	generate() Generates a primary key.
String	getColumnName() Returns a column name.
List	getColumns() Returns columns.
Key	getKey() Returns the key
String	getStartValue() Returns the start value.
void	initialize(DBMonsterContext ctx) Initializes a class with DBMonsterContext.
void	setColumnName(String name) Sets the column name and sets up the column.
void	setKey(Key k) Sets the key.
void	setStartValue(String sv) Sets the start value

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_VALUE

public static final String DEFAULT_VALUE

Default value.

See Also:

Constant Field Values

CHARS

public static final char[] CHARS

Chars.

Constructor Detail

StringKeyGenerator

public StringKeyGenerator()

Method Detail

setKey

public void setKey(Key k)

Sets the key.

Specified by:

setKey in interface KeyGenerator

Parameters:

k - the key.

getKey

public Key getKey()

Description copied from interface: KeyGenerator

Returns the key

Specified by:

getKey in interface KeyGenerator

getColumns

public List getColumns()

Returns columns.

Specified by:

getColumns in interface KeyGenerator

Returns:

a list of columns

generate

public List generate()
              throws Exception

Generates a primary key.

Specified by:

generate in interface KeyGenerator

Returns:

a list of generated Columns.

Throws:

Exception - if generation fails

initialize

public void initialize(DBMonsterContext ctx)
                throws Exception

Description copied from interface: Initializable

Initializes a class with DBMonsterContext.

Specified by:

initialize in interface Initializable

Parameters:

ctx - context

Throws:

Exception - if initialization fails

See Also:

Initializable.initialize(DBMonsterContext)

getColumnName

public String getColumnName()

Returns a column name.

Returns:

the name of the column.

setColumnName

public void setColumnName(String name)

Sets the column name and sets up the column.

Parameters:

name - the name of the column.

getStartValue

public String getStartValue()

Returns the start value.

Returns:

start value.

setStartValue

public void setStartValue(String sv)

Sets the start value

Parameters:

sv - The startValue to set.