com.haulmont.cuba.gui.data

Interface CollectionDatasource.Ordered<T extends Entity<K>,K>

Type Parameters:

T - type of entity

K - type of entity ID

All Superinterfaces:

CollectionDatasource<T,K>, Datasource<T>

All Known Subinterfaces:

CollectionDatasource.Indexed<T,K>, CollectionDatasource.Sortable<T,K>

All Known Implementing Classes:

AbstractTreeDatasource, AbstractTreeTableDatasource, AppPropertiesDatasource, BasicPermissionTreeDatasource, CollectionDatasourceImpl, CollectionPropertyDatasourceImpl, ConditionDescriptorsDs, ConditionsDs, CustomCollectionDatasource, CustomGroupDatasource, CustomHierarchicalDatasource, CustomValueCollectionDatasource, CustomValueGroupDatasource, CustomValueHierarchicalDatasource, DiffTreeDatasource, EntityParamsDatasource, EntityPermissionTargetsDatasource, EntitySnapshotsDatasource, GroupDatasourceImpl, GroupPropertyDatasourceImpl, HierarchicalDatasourceImpl, HierarchicalPropertyDatasourceImpl, JmxInstancesDatasource, ManagedBeanAttributeDatasource, ManagedBeanInfoDatasource, MultiplePermissionTargetsDatasource, RestorablePermissionDatasource, ScreenComponentsTreeDatasource, ScreenHistoryDatasource, ScreenPermissionTreeDatasource, SpecificPermissionTreeDatasource, StatisticsDatasource, ThreadsDatasource, UiPermissionsDatasource, UserSessionsDatasource, ValueCollectionDatasourceImpl, ValueGroupDatasourceImpl, ValueHierarchicalDatasourceImpl

Enclosing interface:

CollectionDatasource<T extends Entity<K>,K>

public static interface CollectionDatasource.Ordered<T extends Entity<K>,K>
extends CollectionDatasource<T,K>

CollectionDatasource which underlying collection is ordered. Supports predictable navigation between items.

Nested Class Summary

Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.data.CollectionDatasource

CollectionDatasource.Aggregatable<T extends Entity<K>,K>, CollectionDatasource.CollectionChangeEvent<T extends Entity<K>,K>, CollectionDatasource.CollectionChangeListener<T extends Entity<K>,K>, CollectionDatasource.Indexed<T extends Entity<K>,K>, CollectionDatasource.Lazy<T extends Entity<K>,K>, CollectionDatasource.Operation, CollectionDatasource.Ordered<T extends Entity<K>,K>, CollectionDatasource.RefreshMode, CollectionDatasource.Sortable<T extends Entity<K>,K>, CollectionDatasource.SortDelegate<T extends Entity<K>,K>, CollectionDatasource.SupportsApplyToSelected<T extends Entity<K>,K>, CollectionDatasource.SupportsPaging<T extends Entity<K>,K>, CollectionDatasource.SupportsRefreshMode<T extends Entity<K>,K>, CollectionDatasource.SupportsSortDelegate<T extends Entity<K>,K>, CollectionDatasource.Suspendable<T extends Entity<K>,K>, CollectionDatasource.UnmuteEventsMode

Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.data.Datasource

Datasource.CommitMode, Datasource.ItemChangeEvent<T extends Entity>, Datasource.ItemChangeListener<T extends Entity>, Datasource.ItemPropertyChangeEvent<T extends Entity>, Datasource.ItemPropertyChangeListener<T extends Entity>, Datasource.State, Datasource.StateChangeEvent<T extends Entity>, Datasource.StateChangeListener<T extends Entity>

Method Summary

Modifier and Type	Method and Description
void	addItemFirst(T item) Add an item to the collection to the first position.
K	firstItemId()
void	includeItemFirst(T item) Include an item into the collection to the first position.
boolean	isFirstId(K itemId)
boolean	isLastId(K itemId)
K	lastItemId()
K	nextItemId(K itemId)
K	prevItemId(K itemId)

Methods inherited from interface com.haulmont.cuba.gui.data.CollectionDatasource

addCollectionChangeListener, addItem, clear, containsItem, excludeItem, getCompiledLoadContext, getItem, getItemIds, getItemNN, getItems, getLastRefreshParameters, getMaxResults, getQuery, getQueryFilter, getRefreshOnComponentValueChange, includeItem, isCacheable, isSoftDeletion, modifyItem, mute, refresh, removeCollectionChangeListener, removeItem, resumeListeners, revert, setCacheable, setMaxResults, setQuery, setQuery, setQueryFilter, setRefreshOnComponentValueChange, setSoftDeletion, size, suspendListeners, unmute, updateItem

Methods inherited from interface com.haulmont.cuba.gui.data.Datasource

addItemChangeListener, addItemPropertyChangeListener, addStateChangeListener, commit, getCommitMode, getDataSupplier, getDsContext, getId, getItem, getItemIfValid, getLoadDynamicAttributes, getMetaClass, getState, getView, invalidate, isAllowCommit, isModified, refresh, removeItemChangeListener, removeItemPropertyChangeListener, removeStateChangeListener, setAllowCommit, setItem, setLoadDynamicAttributes, setup

Method Detail

firstItemId

@Nullable
K firstItemId()

lastItemId

@Nullable
K lastItemId()

nextItemId

@Nullable
K nextItemId(K itemId)

prevItemId

@Nullable
K prevItemId(K itemId)

isFirstId

boolean isFirstId(K itemId)

isLastId

boolean isLastId(K itemId)

addItemFirst

void addItemFirst(T item)

Add an item to the collection to the first position. The datasource becomes modified.

includeItemFirst

void includeItemFirst(T item)

Include an item into the collection to the first position. The datasource "modified" state doesn't change.