se.kmr.scam.client.http.util
Class Sorter

java.lang.Object
  se.kmr.scam.client.http.util.Sorter

public abstract class Sorter

extends Object

This object sorts a set of key objects and a set of value objects with respect to the key value. The key objects is associated to the value objects by index.

NOTE: The given sets are both kept unaltered. The sorted set key objects is retrived with getKeys() and the sorted value object is retrived with getValues()

Version:

$Revision: 1.8 $

Author:

Jöran

Created:

den 16 juli 2002

Field Summary

static Sorter	ASCENDINGORDER
static String	ASCENDINGORDER_NAME
static Sorter	DESCENDINGORDER
static String	DESCENDINGORDER_NAME
static Sorter	UNORDERD
static String	UNORDERD_NAME

Method Summary

List	getKeys() Gets the keys attribute of the Sorter object
String	getName() Gets the name attribute of the Sorter object
static Sorter	getSorterByName(String aSortOrder) Gets a Sorter object associated to a name
List	getValues() Gets the values attribute of the Sorter object
abstract boolean	needsSwap(Object first, Object scnd)
void	setKeys(Collection keys) Sets a collection key objects.
void	setValues(Collection values) Sets a collection of value objects
boolean	sort() Sorts value- and key-objects.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

UNORDERD_NAME

public static final String UNORDERD_NAME

See Also:

Constant Field Values

ASCENDINGORDER_NAME

public static final String ASCENDINGORDER_NAME

See Also:

Constant Field Values

DESCENDINGORDER_NAME

public static final String DESCENDINGORDER_NAME

See Also:

Constant Field Values

UNORDERD

public static final Sorter UNORDERD

DESCENDINGORDER

public static final Sorter DESCENDINGORDER

ASCENDINGORDER

public static final Sorter ASCENDINGORDER

Method Detail

getSorterByName

public static Sorter getSorterByName(String aSortOrder)

Gets a Sorter object associated to a name

Parameters:

aSortOrder - name of the Sorter

Returns:

the Sorter object

setKeys

public void setKeys(Collection keys)

Sets a collection key objects.

Parameters:

keys - The new keys value

setValues

public void setValues(Collection values)

Sets a collection of value objects

Parameters:

values - The new values value

getKeys

public List getKeys()

Gets the keys attribute of the Sorter object

Returns:

The keys value

getValues

public List getValues()

Gets the values attribute of the Sorter object

Returns:

The values value

getName

public String getName()

Gets the name attribute of the Sorter object

Returns:

the name

sort

public boolean sort()

Sorts value- and key-objects.

Returns:

TRUE iff the sorting algorithm succeeds in ordering all elements, else FALSE.

toString

public String toString()

needsSwap

public abstract boolean needsSwap(Object first,
                                  Object scnd)