org.nuiton.web.tapestry5.data
Class AbstractMappedGridDataSource<K,E>

java.lang.Object
  org.nuiton.web.tapestry5.data.AbstractMappedGridDataSource<K,E>

Type Parameters:

K - Type of the map key

E - Type of the map value

All Implemented Interfaces:

org.apache.tapestry5.grid.GridDataSource

public abstract class AbstractMappedGridDataSource<K,E>
extends Object
implements org.apache.tapestry5.grid.GridDataSource

AbstractMappedGridDataSource TODO : javadoc Created: 18 janv. 2010

Author:

fdesbois

Constructor Summary

AbstractMappedGridDataSource()

Method Summary

boolean	contains(K key)
protected abstract int	count()
protected abstract Map<K,E>	execute(int startIndex, int endIndex, org.apache.tapestry5.grid.SortConstraint orderBy)
E	get(K key)
int	getAvailableRows()
abstract Class<?>	getRowType() Need to be provided by subclass, used by Grid component
Object	getRowValue(int index)
protected org.apache.tapestry5.grid.SortConstraint	getSortConstraint(List<org.apache.tapestry5.grid.SortConstraint> sortConstraints)
boolean	isPrepared() Detect if the data has already been prepared.
void	prepare(int startIndex, int endIndex, List<org.apache.tapestry5.grid.SortConstraint> sortConstraints)
protected String	resolveOrderBy(org.apache.tapestry5.grid.SortConstraint orderBy)
List<E>	values()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractMappedGridDataSource

public AbstractMappedGridDataSource()

Method Detail

getRowType

public abstract Class<?> getRowType()

Need to be provided by subclass, used by Grid component

Specified by:

getRowType in interface org.apache.tapestry5.grid.GridDataSource

count

protected abstract int count()

execute

protected abstract Map<K,E> execute(int startIndex,
                                    int endIndex,
                                    org.apache.tapestry5.grid.SortConstraint orderBy)

getAvailableRows

public int getAvailableRows()

Specified by:

getAvailableRows in interface org.apache.tapestry5.grid.GridDataSource

prepare

public void prepare(int startIndex,
                    int endIndex,
                    List<org.apache.tapestry5.grid.SortConstraint> sortConstraints)

Specified by:

prepare in interface org.apache.tapestry5.grid.GridDataSource

getRowValue

public Object getRowValue(int index)

Specified by:

getRowValue in interface org.apache.tapestry5.grid.GridDataSource

isPrepared

public boolean isPrepared()

Detect if the data has already been prepared. This will prevent errors on calling get(Object), values() and contains(Object) methods.

Returns:

true if data is ready, false otherwise.

get

public E get(K key)

values

public List<E> values()

contains

public boolean contains(K key)

getSortConstraint

protected org.apache.tapestry5.grid.SortConstraint getSortConstraint(List<org.apache.tapestry5.grid.SortConstraint> sortConstraints)

resolveOrderBy

protected String resolveOrderBy(org.apache.tapestry5.grid.SortConstraint orderBy)