net.spy.db.savables
Class SavableHashSet

java.lang.Object
  java.util.AbstractCollection
      java.util.AbstractSet
          java.util.HashSet
              net.spy.db.savables.SavableHashSet

All Implemented Interfaces:

Cloneable, Collection, Savable, SavableNode, Serializable, Set

public class SavableHashSet

extends HashSet

implements SavableNode

A subclass of HashSet that implements SavableNode. The save() method does nothing (and should not be called), but all of the objects in the Set will be returned from getPostSavables().

Author:

Dustin Sallings

See Also:

Serialized Form

Constructor Summary

SavableHashSet()
Get an instance of SavableHashSet.

SavableHashSet(Collection col)
Get an instance of SavableHashSet populated with the given Collection of objects.

SavableHashSet(int initCap)
Get an instance of SavableHashSet with the given initial capacity.

SavableHashSet(int initialCapacity, float loadFactor)
Get an instance of SavableHashSet with the given initial capacity and load factors.

Method Summary

Collection	getPostSavables(SaveContext context) Get a Collection of all of the SavableNodes this SavableNode is holding that will need to be saved after this Savable.
Collection	getPreSavables(SaveContext context) Get a Collection of all of the SavableNodes this SavableNode is holding that will need to be saved before this Savable.
Collection	getSavables(SaveContext context) This method is deprecated and should return the same value as getPostSavables.
boolean	isModified() Has this object been modified?
boolean	isNew() Is this a new object?
void	save(Connection conn, SaveContext context) Do nothing.

Methods inherited from class java.util.HashSet

add, clear, clone, contains, isEmpty, iterator, remove, size

Methods inherited from class java.util.AbstractSet

equals, hashCode, removeAll

Methods inherited from class java.util.AbstractCollection

addAll, containsAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Set

addAll, containsAll, equals, hashCode, removeAll, retainAll, toArray, toArray

Constructor Detail

SavableHashSet

public SavableHashSet()

Get an instance of SavableHashSet.

SavableHashSet

public SavableHashSet(Collection col)

Get an instance of SavableHashSet populated with the given Collection of objects.

SavableHashSet

public SavableHashSet(int initCap)

Get an instance of SavableHashSet with the given initial capacity.

SavableHashSet

public SavableHashSet(int initialCapacity,
                      float loadFactor)

Get an instance of SavableHashSet with the given initial capacity and load factors.

Method Detail

isNew

public boolean isNew()

Description copied from interface: Savable

Is this a new object?

Specified by:

isNew in interface Savable

Returns:

false

isModified

public boolean isModified()

Description copied from interface: Savable

Has this object been modified?

Specified by:

isModified in interface Savable

Returns:

false

save

public void save(Connection conn,
                 SaveContext context)
          throws SaveException,
                 SQLException

Do nothing.

Specified by:

save in interface Savable

Parameters:

conn - the connection to use for saving

context - SaveContext being used in this Saver session

Throws:

SaveException

SQLException

getPreSavables

public Collection getPreSavables(SaveContext context)

Description copied from interface: SavableNode

Get a Collection of all of the SavableNodes this SavableNode is holding that will need to be saved before this Savable.

Specified by:

getPreSavables in interface SavableNode

Parameters:

context - SaveContext being used in this Saver session

Returns:

null

getPostSavables

public Collection getPostSavables(SaveContext context)

Description copied from interface: SavableNode

Get a Collection of all of the SavableNodes this SavableNode is holding that will need to be saved after this Savable.

Specified by:

getPostSavables in interface SavableNode

Parameters:

context - SaveContext being used in this Saver session

Returns:

this

getSavables

public Collection getSavables(SaveContext context)

Description copied from interface: SavableNode

This method is deprecated and should return the same value as getPostSavables.

Specified by:

getSavables in interface SavableNode

Returns:

this