org.cruxframework.crux.core.client.dataprovider
Class SyncPagedDataProvider<T>

java.lang.Object
  org.cruxframework.crux.core.client.dataprovider.SyncPagedDataProvider<T>

All Implemented Interfaces:

DataProvider<T>, MeasurableDataProvider<T>, MeasurablePagedDataProvider<T>, PagedDataProvider<T>, SyncDataProvider<T>

public abstract class SyncPagedDataProvider<T>
extends Object
implements SyncDataProvider<T>

Author:

Thiago da Rosa de Bustamante

Field Summary

protected int	currentPage
protected int	currentRecord
protected DataProviderRecord<T>[]	data
protected boolean	loaded
protected org.cruxframework.crux.core.client.dataprovider.DataProviderOperations<T>	operations
protected int	pageSize
protected SyncDataProviderCallback	synchronousCallback

Constructor Summary

SyncPagedDataProvider()

Method Summary

void	clearChanges() Undo all changes
protected SynchronousDataProviderEvent<T>	createSynchronousDataProviderEvent()
protected void	ensureLoaded()
protected void	fireLoadEvent()
protected void	firePageFetchEvent()
void	firstRecord() Points DataProvider to first record
T	getBoundObject() Return a copy of the current record object.
int	getCurrentPage()
int	getCurrentPageSize()
int	getIndex(T boundObject) Retrieve the index of the given object
DataProviderRecord<T>[]	getNewRecords() Return all records inserted on DataProvider
int	getPageCount()
protected int	getPageEndRecord()
int	getPageSize()
protected int	getPageStartRecord()
DataProviderRecord<T>	getRecord() Return the DataProviderRecord object, representing the current record
int	getRecordCount()
DataProviderRecord<T>[]	getRemovedRecords() Return all records removed from DataProvider
DataProviderRecord<T>[]	getSelectedRecords() Return all records selected on DataProvider
DataProviderRecord<T>[]	getUpdatedRecords() Return all records modified on DataProvider
boolean	hasNextPage()
boolean	hasNextRecord() Verify if DataProvider has more records.
boolean	hasPreviousPage()
boolean	hasPreviousRecord() Verify if DataProvider has previous records.
DataProviderRecord<T>	insertRecord(int index) Insert a new record on DataProvider
protected boolean	isRecordOnPage(int record)
void	lastRecord()
boolean	nextPage()
void	nextRecord() Points DataProvider to next record
boolean	previousPage()
void	previousRecord() Points DataProvider to previous record
DataProviderRecord<T>	removeRecord(int index) Remove a record from DataProvider
void	reset() Reset DataProvider, as if it was never loaded before.
void	selectRecord(int index, boolean selected) Mark the given record as selected
void	setCallback(PagedDataProviderCallback callback)
void	setCallback(SyncDataProviderCallback callback)
boolean	setCurrentPage(int pageNumber)
void	setPageSize(int pageSize)
void	sort(Comparator<T> comparator) Sort DataProvider records, based on column informed
protected void	sortArray(DataProviderRecord<T>[] array, Comparator<T> comparator)
protected void	update(DataProviderRecord<T>[] records)
protected void	updateCurrentRecord()
void	updateData(Array<T> data) Method called to bind some data to the DataProvider
void	updateData(List<T> data) Method called to bind some data to the DataProvider
void	updateData(T[] data) Method called to bind some data to the DataProvider
void	updateState(DataProviderRecord<T> record, DataProviderRecord.DataProviderRecordState previousState) Update a record on DataProvider

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.cruxframework.crux.core.client.dataprovider.SyncDataProvider

load

Methods inherited from interface org.cruxframework.crux.core.client.dataprovider.DataProvider

firstRecord, getBoundObject, getRecord, hasNextRecord, hasPreviousRecord, nextRecord, previousRecord, sort, updateData, updateData, updateData

Field Detail

synchronousCallback

protected SyncDataProviderCallback synchronousCallback

operations

protected org.cruxframework.crux.core.client.dataprovider.DataProviderOperations<T> operations

pageSize

protected int pageSize

currentPage

protected int currentPage

data

protected DataProviderRecord<T>[] data

currentRecord

protected int currentRecord

loaded

protected boolean loaded

Constructor Detail

SyncPagedDataProvider

public SyncPagedDataProvider()

Method Detail

clearChanges

public void clearChanges()

Description copied from interface: DataProvider

Undo all changes

Specified by:

clearChanges in interface DataProvider<T>

getNewRecords

public DataProviderRecord<T>[] getNewRecords()

Description copied from interface: DataProvider

Return all records inserted on DataProvider

Specified by:

getNewRecords in interface DataProvider<T>

Returns:

all new records

getRemovedRecords

public DataProviderRecord<T>[] getRemovedRecords()

Description copied from interface: DataProvider

Return all records removed from DataProvider

Specified by:

getRemovedRecords in interface DataProvider<T>

Returns:

all removed records

getSelectedRecords

public DataProviderRecord<T>[] getSelectedRecords()

Description copied from interface: DataProvider

Return all records selected on DataProvider

Specified by:

getSelectedRecords in interface DataProvider<T>

Returns:

all selected records

See Also:

org.cruxframework.crux.core.client.DataProvider.DataProvider#getSelectedRecords()

getUpdatedRecords

public DataProviderRecord<T>[] getUpdatedRecords()

Description copied from interface: DataProvider

Return all records modified on DataProvider

Specified by:

getUpdatedRecords in interface DataProvider<T>

Returns:

all modified records

insertRecord

public DataProviderRecord<T> insertRecord(int index)

Description copied from interface: DataProvider

Insert a new record on DataProvider

Specified by:

insertRecord in interface DataProvider<T>

Returns:

removeRecord

public DataProviderRecord<T> removeRecord(int index)

Description copied from interface: DataProvider

Remove a record from DataProvider

Specified by:

removeRecord in interface DataProvider<T>

Returns:

reset

public void reset()

Description copied from interface: DataProvider

Reset DataProvider, as if it was never loaded before.

Specified by:

reset in interface DataProvider<T>

setCallback

public void setCallback(SyncDataProviderCallback callback)

Specified by:

setCallback in interface SyncDataProvider<T>

setCallback

public void setCallback(PagedDataProviderCallback callback)

Specified by:

setCallback in interface PagedDataProvider<T>

nextPage

public boolean nextPage()

Specified by:

nextPage in interface PagedDataProvider<T>

previousPage

public boolean previousPage()

Specified by:

previousPage in interface PagedDataProvider<T>

setCurrentPage

public boolean setCurrentPage(int pageNumber)

Specified by:

setCurrentPage in interface MeasurablePagedDataProvider<T>

getIndex

public int getIndex(T boundObject)

Description copied from interface: DataProvider

Retrieve the index of the given object

Specified by:

getIndex in interface DataProvider<T>

Returns:

selectRecord

public void selectRecord(int index,
                         boolean selected)

Description copied from interface: DataProvider

Mark the given record as selected

Specified by:

selectRecord in interface DataProvider<T>

updateState

public void updateState(DataProviderRecord<T> record,
                        DataProviderRecord.DataProviderRecordState previousState)

Description copied from interface: DataProvider

Update a record on DataProvider

Specified by:

updateState in interface DataProvider<T>

fireLoadEvent

protected void fireLoadEvent()

firePageFetchEvent

protected void firePageFetchEvent()

update

protected void update(DataProviderRecord<T>[] records)

createSynchronousDataProviderEvent

protected SynchronousDataProviderEvent<T> createSynchronousDataProviderEvent()

getCurrentPage

public int getCurrentPage()

Specified by:

getCurrentPage in interface PagedDataProvider<E>

getPageCount

public int getPageCount()

Specified by:

getPageCount in interface MeasurablePagedDataProvider<E>

getPageSize

public int getPageSize()

Specified by:

getPageSize in interface PagedDataProvider<E>

getCurrentPageSize

public int getCurrentPageSize()

Specified by:

getCurrentPageSize in interface PagedDataProvider<E>

hasNextPage

public boolean hasNextPage()

Specified by:

hasNextPage in interface PagedDataProvider<E>

hasPreviousPage

public boolean hasPreviousPage()

Specified by:

hasPreviousPage in interface PagedDataProvider<E>

setPageSize

public void setPageSize(int pageSize)

Specified by:

setPageSize in interface PagedDataProvider<E>

hasNextRecord

public boolean hasNextRecord()

Description copied from interface: DataProvider

Verify if DataProvider has more records.

Specified by:

hasNextRecord in interface DataProvider<E>

Returns:

true if more records exist.

hasPreviousRecord

public boolean hasPreviousRecord()

Description copied from interface: DataProvider

Verify if DataProvider has previous records.

Specified by:

hasPreviousRecord in interface DataProvider<E>

Returns:

true if previous records exist.

firstRecord

public void firstRecord()

Description copied from interface: DataProvider

Points DataProvider to first record

Specified by:

firstRecord in interface DataProvider<E>

lastRecord

public void lastRecord()

Specified by:

lastRecord in interface MeasurableDataProvider<E>

isRecordOnPage

protected boolean isRecordOnPage(int record)

getPageEndRecord

protected int getPageEndRecord()

getPageStartRecord

protected int getPageStartRecord()

updateCurrentRecord

protected void updateCurrentRecord()

nextRecord

public void nextRecord()

Description copied from interface: DataProvider

Points DataProvider to next record

Specified by:

nextRecord in interface DataProvider<T>

getRecord

public DataProviderRecord<T> getRecord()

Description copied from interface: DataProvider

Return the DataProviderRecord object, representing the current record

Specified by:

getRecord in interface DataProvider<T>

Returns:

current DataProviderRecord object.

previousRecord

public void previousRecord()

Description copied from interface: DataProvider

Points DataProvider to previous record

Specified by:

previousRecord in interface DataProvider<T>

sort

public void sort(Comparator<T> comparator)

Description copied from interface: DataProvider

Sort DataProvider records, based on column informed

Specified by:

sort in interface DataProvider<T>

Parameters:

comparator - Comparator used for sorting.

getRecordCount

public int getRecordCount()

Specified by:

getRecordCount in interface MeasurableDataProvider<T>

getBoundObject

public T getBoundObject()

Description copied from interface: DataProvider

Return a copy of the current record object.

Specified by:

getBoundObject in interface DataProvider<T>

Returns:

updateData

public void updateData(T[] data)

Description copied from interface: DataProvider

Method called to bind some data to the DataProvider

Specified by:

updateData in interface DataProvider<T>

updateData

public void updateData(List<T> data)

Description copied from interface: DataProvider

Method called to bind some data to the DataProvider

Specified by:

updateData in interface DataProvider<T>

updateData

public void updateData(Array<T> data)

Description copied from interface: DataProvider

Method called to bind some data to the DataProvider

Specified by:

updateData in interface DataProvider<T>

ensureLoaded

protected void ensureLoaded()

sortArray

protected void sortArray(DataProviderRecord<T>[] array,
                         Comparator<T> comparator)