com.vaadin.data.provider

Class SortOrderBuilder<T extends SortOrder<V>,V>

java.lang.Object

com.vaadin.data.provider.SortOrderBuilder<T,V>

Type Parameters:

T - the sort order type

V - the sorting type

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

GridSortOrderBuilder, QuerySortOrderBuilder

public abstract class SortOrderBuilder<T extends SortOrder<V>,V>
extends Object
implements Serializable

Base class for helper classes with fluent API for constructing sort order lists. When the sort order is ready to be passed on, calling build() will create the list of sort orders.

Since:

8.0

See Also:

thenAsc(Object), thenDesc(Object), build(), Serialized Form

Constructor Summary

Constructors

Constructor and Description
SortOrderBuilder()

Method Summary

Modifier and Type	Method and Description
List<T>	build() Returns an unmodifiable copy of the list of current sort orders in this sort builder.
protected abstract T	createSortOrder(V by, SortDirection direction) Creates a sort order object with the given parameters.
SortOrderBuilder<T,V>	thenAsc(V by) Appends sorting with ascending sort direction.
SortOrderBuilder<T,V>	thenDesc(V by) Appends sorting with descending sort direction.

Methods inherited from class java.lang.Object

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

Constructor Detail

SortOrderBuilder

public SortOrderBuilder()

Method Detail

thenAsc

public SortOrderBuilder<T,V> thenAsc(V by)

Appends sorting with ascending sort direction.

Parameters:

by - the object to sort by

Returns:

this sort builder

thenDesc

public SortOrderBuilder<T,V> thenDesc(V by)

Appends sorting with descending sort direction.

Parameters:

by - the object to sort by

Returns:

this sort builder

build

public final List<T> build()

Returns an unmodifiable copy of the list of current sort orders in this sort builder.

Returns:

an unmodifiable sort order list

createSortOrder

protected abstract T createSortOrder(V by,
                                     SortDirection direction)

Creates a sort order object with the given parameters.

Parameters:

by - the object to sort by

direction - the sort direction

Returns:

the sort order object