net.wotonomy.datastore
Class DefaultDataView

java.lang.Object
  java.util.Observable
      net.wotonomy.datastore.DefaultDataView

All Implemented Interfaces:

java.lang.Iterable, java.util.Collection, java.util.List, DataView

public class DefaultDataView
extends java.util.Observable
implements DataView

Nested Class Summary

protected class

DefaultDataView.DataViewIterator

Field Summary

protected java.util.List	addedKeyList
protected java.util.List	addedObjectList
protected DataSoup	backingSoup
protected boolean	fullyLoaded
protected java.util.List	keyList
protected java.util.List	objectList
protected java.util.List	removedKeyList
protected java.util.List	removedObjectList
protected java.util.Collection	updatedObjects

Method Summary

void	add(int index, java.lang.Object o)
boolean	add(java.lang.Object o)
boolean	addAll(java.util.Collection c)
boolean	addAll(int index, java.util.Collection c)
void	clear()
boolean	commit() This method is called commit all changes to the DataView to its data store.
boolean	contains(java.lang.Object o)
boolean	containsAll(java.util.Collection c)
boolean	equals(java.lang.Object o)
java.lang.Object	get(int i)
DataKey	getKeyForObject(java.lang.Object anObject) Returns the key for the specified object.
java.lang.Object	getObject()
java.lang.Object	getObjectForKey(DataKey aKey) Returns the object for the specified key.
int	hashCode()
int	indexOf(java.lang.Object o)
boolean	isEmpty()
java.util.Iterator	iterator()
int	lastIndexOf(java.lang.Object o)
java.util.ListIterator	listIterator()
java.util.ListIterator	listIterator(int index)
protected void	loadAllObjects()
DataView	query(java.lang.String aProperty, java.lang.Object beginKey, java.lang.Object endKey)
java.lang.Object	remove(int index)
boolean	remove(java.lang.Object o)
boolean	removeAll(java.util.Collection c)
boolean	retainAll(java.util.Collection c)
java.lang.Object	set(int index, java.lang.Object element) Set completely replaces the object at the specified index with the specified object.
int	size()
java.util.List	subList(int fromIndex, int toIndex)
java.lang.Object[]	toArray()
java.lang.Object[]	toArray(java.lang.Object[] array)
void	update(java.lang.Object anObject) This method is called to notify the DataView that one of its objects has been modified and should be updated when the view is committed.

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.wotonomy.datastore.DataView

addObserver, deleteObserver, deleteObservers

Field Detail

backingSoup

protected DataSoup backingSoup

objectList

protected java.util.List objectList

keyList

protected java.util.List keyList

addedObjectList

protected java.util.List addedObjectList

removedObjectList

protected java.util.List removedObjectList

addedKeyList

protected java.util.List addedKeyList

removedKeyList

protected java.util.List removedKeyList

updatedObjects

protected java.util.Collection updatedObjects

fullyLoaded

protected boolean fullyLoaded

Method Detail

get

public java.lang.Object get(int i)

Specified by:

get in interface java.util.List

indexOf

public int indexOf(java.lang.Object o)

Specified by:

indexOf in interface java.util.List

lastIndexOf

public int lastIndexOf(java.lang.Object o)

Specified by:

lastIndexOf in interface java.util.List

loadAllObjects

protected void loadAllObjects()

getObject

public java.lang.Object getObject()

update

public void update(java.lang.Object anObject)

Description copied from interface: DataView

This method is called to notify the DataView that one of its objects has been modified and should be updated when the view is committed.

Specified by:

update in interface DataView

query

public DataView query(java.lang.String aProperty,
                      java.lang.Object beginKey,
                      java.lang.Object endKey)

commit

public boolean commit()

Description copied from interface: DataView

This method is called commit all changes to the DataView to its data store. The list elements may be refreshed from the datastore, although the list itself should remain unchanged.

Specified by:

commit in interface DataView

Returns:

True if the commit was successful, otherwise false.

getKeyForObject

public DataKey getKeyForObject(java.lang.Object anObject)

Description copied from interface: DataView

Returns the key for the specified object. If the object is not in the view, returns null.

Specified by:

getKeyForObject in interface DataView

getObjectForKey

public java.lang.Object getObjectForKey(DataKey aKey)

Description copied from interface: DataView

Returns the object for the specified key. If the key is not in the view, returns null.

Specified by:

getObjectForKey in interface DataView

size

public int size()

Specified by:

size in interface java.util.Collection

Specified by:

size in interface java.util.List

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection

Specified by:

isEmpty in interface java.util.List

clear

public void clear()

Specified by:

clear in interface java.util.Collection

Specified by:

clear in interface java.util.List

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Collection

Specified by:

hashCode in interface java.util.List

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface java.util.Collection

Specified by:

equals in interface java.util.List

Overrides:

equals in class java.lang.Object

contains

public boolean contains(java.lang.Object o)

Specified by:

contains in interface java.util.Collection

Specified by:

contains in interface java.util.List

containsAll

public boolean containsAll(java.util.Collection c)

Specified by:

containsAll in interface java.util.Collection

Specified by:

containsAll in interface java.util.List

add

public boolean add(java.lang.Object o)

Specified by:

add in interface java.util.Collection

Specified by:

add in interface java.util.List

remove

public java.lang.Object remove(int index)

Specified by:

remove in interface java.util.List

remove

public boolean remove(java.lang.Object o)

Specified by:

remove in interface java.util.Collection

Specified by:

remove in interface java.util.List

set

public java.lang.Object set(int index,
                            java.lang.Object element)

Set completely replaces the object at the specified index with the specified object. The new object is not marked as inserted, and the old object is not marked as deleted: the new object will be stored in the soup with the same key. The old object is returned.

Specified by:

set in interface java.util.List

add

public void add(int index,
                java.lang.Object o)

Specified by:

add in interface java.util.List

addAll

public boolean addAll(java.util.Collection c)

Specified by:

addAll in interface java.util.Collection

Specified by:

addAll in interface java.util.List

addAll

public boolean addAll(int index,
                      java.util.Collection c)

Specified by:

addAll in interface java.util.List

removeAll

public boolean removeAll(java.util.Collection c)

Specified by:

removeAll in interface java.util.Collection

Specified by:

removeAll in interface java.util.List

retainAll

public boolean retainAll(java.util.Collection c)

Specified by:

retainAll in interface java.util.Collection

Specified by:

retainAll in interface java.util.List

subList

public java.util.List subList(int fromIndex,
                              int toIndex)

Specified by:

subList in interface java.util.List

iterator

public java.util.Iterator iterator()

Specified by:

iterator in interface java.lang.Iterable

Specified by:

iterator in interface java.util.Collection

Specified by:

iterator in interface java.util.List

listIterator

public java.util.ListIterator listIterator()

Specified by:

listIterator in interface java.util.List

listIterator

public java.util.ListIterator listIterator(int index)

Specified by:

listIterator in interface java.util.List

toArray

public java.lang.Object[] toArray()

Specified by:

toArray in interface java.util.Collection

Specified by:

toArray in interface java.util.List

toArray

public java.lang.Object[] toArray(java.lang.Object[] array)

Specified by:

toArray in interface java.util.Collection

Specified by:

toArray in interface java.util.List