org.activiti.explorer.data

Class LazyLoadingContainer

java.lang.Object

org.activiti.explorer.data.LazyLoadingContainer

All Implemented Interfaces:

com.vaadin.data.Container, com.vaadin.data.Container.Indexed, com.vaadin.data.Container.Ordered, com.vaadin.data.Container.Sortable, Serializable

public class LazyLoadingContainer
extends Object
implements com.vaadin.data.Container.Indexed, com.vaadin.data.Container.Sortable

Inspired on the LazyQueryContainer add-on for Vaadin (https://github.com/tlaukkan/vaadin-lazyquerycontainer)

Author:

Joram Barrez

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.vaadin.data.Container

com.vaadin.data.Container.Editor, com.vaadin.data.Container.Filter, com.vaadin.data.Container.Filterable, com.vaadin.data.Container.Hierarchical, com.vaadin.data.Container.Indexed, com.vaadin.data.Container.ItemSetChangeEvent, com.vaadin.data.Container.ItemSetChangeListener, com.vaadin.data.Container.ItemSetChangeNotifier, com.vaadin.data.Container.Ordered, com.vaadin.data.Container.PropertySetChangeEvent, com.vaadin.data.Container.PropertySetChangeListener, com.vaadin.data.Container.PropertySetChangeNotifier, com.vaadin.data.Container.SimpleFilterable, com.vaadin.data.Container.Sortable, com.vaadin.data.Container.Viewer

Field Summary

Fields

Modifier and Type	Field and Description
protected int	batchSize
protected Map<Object,Object>	containerPropertyDefaultValues
protected List<Object>	containerPropertyIds
protected Map<Object,Class<?>>	containerPropertyTypes
protected Map<Integer,com.vaadin.data.Item>	itemCache
protected LazyLoadingQuery	lazyLoadingQuery
protected int	size

Constructor Summary

Constructors

Constructor and Description
LazyLoadingContainer(LazyLoadingQuery lazyLoadingQuery)
LazyLoadingContainer(LazyLoadingQuery lazyLoadingQuery, int batchSize)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	addContainerProperty(Object propertyId, Class<?> type, Object defaultValue)
Object	addItem()
com.vaadin.data.Item	addItem(Object itemId)
Object	addItemAfter(Object previousItemId)
com.vaadin.data.Item	addItemAfter(Object previousItemId, Object newItemId)
Object	addItemAt(int index)
com.vaadin.data.Item	addItemAt(int index, Object newItemId)
boolean	containsId(Object itemId)
Object	firstItemId()
com.vaadin.data.Property	getContainerProperty(Object itemId, Object propertyId)
Collection<?>	getContainerPropertyIds()
Object	getDefaultValue(Object propertyId)
Object	getIdByIndex(int index)
int	getIndexForObjectId(com.vaadin.data.Item searched, int low, int high)
int	getIndexForObjectId(String id)
com.vaadin.data.Item	getItem(Object itemId)
Collection<?>	getItemIds()
Collection<?>	getSortableContainerPropertyIds()
Class<?>	getType(Object propertyId)
int	indexOfId(Object itemId)
boolean	isFirstId(Object itemId)
boolean	isLastId(Object itemId)
Object	lastItemId()
Object	nextItemId(Object itemId)
Object	prevItemId(Object itemId)
boolean	removeAllItems()
boolean	removeContainerProperty(Object propertyId)
boolean	removeItem(Object itemId)
int	size()
void	sort(Object[] propertyIds, boolean[] ascending)

Methods inherited from class java.lang.Object

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

Field Detail

lazyLoadingQuery

protected LazyLoadingQuery lazyLoadingQuery

batchSize

protected int batchSize

size

protected int size

containerPropertyIds

protected List<Object> containerPropertyIds

containerPropertyTypes

protected Map<Object,Class<?>> containerPropertyTypes

containerPropertyDefaultValues

protected Map<Object,Object> containerPropertyDefaultValues

itemCache

protected Map<Integer,com.vaadin.data.Item> itemCache

Constructor Detail

LazyLoadingContainer

public LazyLoadingContainer(LazyLoadingQuery lazyLoadingQuery,
                    int batchSize)

LazyLoadingContainer

public LazyLoadingContainer(LazyLoadingQuery lazyLoadingQuery)

Method Detail

addContainerProperty

public boolean addContainerProperty(Object propertyId,
                           Class<?> type,
                           Object defaultValue)
                             throws UnsupportedOperationException

Specified by:

addContainerProperty in interface com.vaadin.data.Container

Throws:

UnsupportedOperationException

removeContainerProperty

public boolean removeContainerProperty(Object propertyId)
                                throws UnsupportedOperationException

Specified by:

removeContainerProperty in interface com.vaadin.data.Container

Throws:

UnsupportedOperationException

getContainerPropertyIds

public Collection<?> getContainerPropertyIds()

Specified by:

getContainerPropertyIds in interface com.vaadin.data.Container

getType

public Class<?> getType(Object propertyId)

Specified by:

getType in interface com.vaadin.data.Container

getDefaultValue

public Object getDefaultValue(Object propertyId)

getContainerProperty

public com.vaadin.data.Property getContainerProperty(Object itemId,
                                            Object propertyId)

Specified by:

getContainerProperty in interface com.vaadin.data.Container

containsId

public boolean containsId(Object itemId)

Specified by:

containsId in interface com.vaadin.data.Container

getItem

public com.vaadin.data.Item getItem(Object itemId)

Specified by:

getItem in interface com.vaadin.data.Container

size

public int size()

Specified by:

size in interface com.vaadin.data.Container

getItemIds

public Collection<?> getItemIds()

Specified by:

getItemIds in interface com.vaadin.data.Container

firstItemId

public Object firstItemId()

Specified by:

firstItemId in interface com.vaadin.data.Container.Ordered

lastItemId

public Object lastItemId()

Specified by:

lastItemId in interface com.vaadin.data.Container.Ordered

isFirstId

public boolean isFirstId(Object itemId)

Specified by:

isFirstId in interface com.vaadin.data.Container.Ordered

isLastId

public boolean isLastId(Object itemId)

Specified by:

isLastId in interface com.vaadin.data.Container.Ordered

nextItemId

public Object nextItemId(Object itemId)

Specified by:

nextItemId in interface com.vaadin.data.Container.Ordered

prevItemId

public Object prevItemId(Object itemId)

Specified by:

prevItemId in interface com.vaadin.data.Container.Ordered

indexOfId

public int indexOfId(Object itemId)

Specified by:

indexOfId in interface com.vaadin.data.Container.Indexed

getIdByIndex

public Object getIdByIndex(int index)

Specified by:

getIdByIndex in interface com.vaadin.data.Container.Indexed

getSortableContainerPropertyIds

public Collection<?> getSortableContainerPropertyIds()

Specified by:

getSortableContainerPropertyIds in interface com.vaadin.data.Container.Sortable

sort

public void sort(Object[] propertyIds,
        boolean[] ascending)

Specified by:

sort in interface com.vaadin.data.Container.Sortable

removeAllItems

public boolean removeAllItems()
                       throws UnsupportedOperationException

Specified by:

removeAllItems in interface com.vaadin.data.Container

Throws:

UnsupportedOperationException

getIndexForObjectId

public int getIndexForObjectId(String id)

getIndexForObjectId

public int getIndexForObjectId(com.vaadin.data.Item searched,
                      int low,
                      int high)

addItem

public Object addItem()
               throws UnsupportedOperationException

Specified by:

addItem in interface com.vaadin.data.Container

Throws:

UnsupportedOperationException

addItemAfter

public Object addItemAfter(Object previousItemId)
                    throws UnsupportedOperationException

Specified by:

addItemAfter in interface com.vaadin.data.Container.Ordered

Throws:

UnsupportedOperationException

addItemAfter

public com.vaadin.data.Item addItemAfter(Object previousItemId,
                                Object newItemId)
                                  throws UnsupportedOperationException

Specified by:

addItemAfter in interface com.vaadin.data.Container.Ordered

Throws:

UnsupportedOperationException

addItemAt

public Object addItemAt(int index)
                 throws UnsupportedOperationException

Specified by:

addItemAt in interface com.vaadin.data.Container.Indexed

Throws:

UnsupportedOperationException

addItemAt

public com.vaadin.data.Item addItemAt(int index,
                             Object newItemId)
                               throws UnsupportedOperationException

Specified by:

addItemAt in interface com.vaadin.data.Container.Indexed

Throws:

UnsupportedOperationException

removeItem

public boolean removeItem(Object itemId)
                   throws UnsupportedOperationException

Specified by:

removeItem in interface com.vaadin.data.Container

Throws:

UnsupportedOperationException

addItem

public com.vaadin.data.Item addItem(Object itemId)
                             throws UnsupportedOperationException

Specified by:

addItem in interface com.vaadin.data.Container

Throws:

UnsupportedOperationException