iot.jcypher.graph

Class PersistableItemsContainer<T extends PersistableItem>

java.lang.Object

iot.jcypher.graph.PersistableItemsContainer<T>

public abstract class PersistableItemsContainer<T extends PersistableItem>
extends Object

Constructor Summary

Constructors

Constructor and Description
PersistableItemsContainer()

Method Summary

Methods

Modifier and Type	Method and Description
T	addElement(T element) add a new element, throw a RuntimeException if the element already exists
protected abstract boolean	checkContainerForSyncState() calculate the container's state, check if it is sync
boolean	checkForSyncState()
protected abstract boolean	containsElement(List<T> elems, T elem)
protected abstract void	fireContainerChanged(SyncState oldState, SyncState newState)
List<T>	getElements()
protected abstract List<T>	resolveElements() Resolve and initialize the appropriate elements from the underlying QueryResult JsonObject.

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistableItemsContainer

public PersistableItemsContainer()

Method Detail

fireContainerChanged

protected abstract void fireContainerChanged(SyncState oldState,
                        SyncState newState)

checkContainerForSyncState

protected abstract boolean checkContainerForSyncState()

calculate the container's state, check if it is sync

Returns:

true, if the container's calculated state is sync

resolveElements

protected abstract List<T> resolveElements()

Resolve and initialize the appropriate elements from the underlying QueryResult JsonObject.

Returns:

containsElement

protected abstract boolean containsElement(List<T> elems,
                      T elem)

Parameters:

elems -

elem -

Returns:

true, if list 'elems' contains 'elem'

getElements

public List<T> getElements()

Returns:

an unmodifiable list of elements

addElement

public T addElement(T element)

add a new element, throw a RuntimeException if the element already exists

Parameters:

element -

Returns:

the added element

checkForSyncState

public boolean checkForSyncState()