CollectionPropertyDatasourceImpl (CUBA 6.8 API)

java.lang.Object
- com.haulmont.cuba.gui.data.impl.AbstractDatasource<T>
- - com.haulmont.cuba.gui.data.impl.PropertyDatasourceImpl<T>
  - - com.haulmont.cuba.gui.data.impl.CollectionPropertyDatasourceImpl<T,K>

All Implemented Interfaces:

CollectionDatasource<T,K>, CollectionDatasource.Aggregatable<T,K>, CollectionDatasource.Indexed<T,K>, CollectionDatasource.Ordered<T,K>, CollectionDatasource.Sortable<T,K>, Datasource<T>, DatasourceImplementation<T>, NestedDatasource<T>, PropertyDatasource<T>

Direct Known Subclasses:

GroupPropertyDatasourceImpl, HierarchicalPropertyDatasourceImpl
```
public class CollectionPropertyDatasourceImpl<T extends Entity<K>,K>
extends PropertyDatasourceImpl<T>
implements CollectionDatasource<T,K>, CollectionDatasource.Indexed<T,K>, CollectionDatasource.Sortable<T,K>, CollectionDatasource.Aggregatable<T,K>
```

Nested Class Summary
- Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.data.CollectionDatasource.Sortable
  CollectionDatasource.Sortable.Order, CollectionDatasource.Sortable.SortInfo<P>
- 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.SupportsApplyToSelected<T extends Entity<K>,K>, CollectionDatasource.SupportsPaging<T extends Entity<K>,K>, CollectionDatasource.SupportsRefreshMode<T extends Entity<K>,K>, CollectionDatasource.Suspendable<T extends Entity<K>,K>
- 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>

Constructor Summary

Constructors
Constructor and Description

CollectionPropertyDatasourceImpl()

Constructors
Constructor and Description
`CollectionPropertyDatasourceImpl()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addCollectionChangeListener(CollectionDatasource.CollectionChangeListener<T,K> listener)`
`void`	`addItem(T item)` Add an item to the collection.
`void`	`addItemFirst(T item)` Add an item to the collection to the first position.
`void`	`addListener(DatasourceListener<T> listener)` Add listener to datasource events.
`java.util.Map<AggregationInfo,java.lang.String>`	`aggregate(AggregationInfo[] aggregationInfos, java.util.Collection<K> itemIds)` Perform aggregation
`void`	`clear()` Clear the underlying collection.
`void`	`committed(java.util.Set<Entity> entities)` Invoked after commit.
`boolean`	`containsItem(K itemId)`
`void`	`excludeItem(T item)` Exclude an item from the collection.
`K`	`firstItemId()`
`LoadContext`	`getCompiledLoadContext()`
`K`	`getIdByIndex(int index)`
`T`	`getItem()`
`T`	`getItem(K id)`
`java.util.Collection<K>`	`getItemIds()`
`java.util.List<K>`	`getItemIds(int startIndex, int numberOfItems)`
`T`	`getItemNN(K id)`
`java.util.Collection<T>`	`getItems()` In standard implementations this is a wrapper method around `CollectionDatasource.getItemIds()` and `CollectionDatasource.getItem(Object)`.
`java.util.Map<java.lang.String,java.lang.Object>`	`getLastRefreshParameters()` Returns the parameters last used in `CollectionDatasource.refresh(Map)` method or empty map if there was no refresh with parameters
`int`	`getMaxResults()`
`java.lang.String`	`getQuery()`
`QueryFilter`	`getQueryFilter()`
`boolean`	`getRefreshOnComponentValueChange()` Whether to refresh datasource on changing value of a component which it depends on (through `component$` parameter)
`void`	`includeItem(T item)` Include an item into the collection.
`void`	`includeItemFirst(T item)` Include an item into the collection to the first position.
`int`	`indexOfId(K itemId)`
`boolean`	`isCacheable()`
`boolean`	`isFirstId(K itemId)`
`boolean`	`isLastId(K itemId)`
`boolean`	`isSoftDeletion()`
`K`	`lastItemId()`
`void`	`modified(T item)` Invoked when the given instance is modified.
`void`	`modifyItem(T item)` Update an item in the collection if it is already there.
`K`	`nextItemId(K itemId)`
`K`	`prevItemId(K itemId)`
`void`	`refresh()` Refreshes the datasource moving it to the `Datasource.State.VALID` state
`void`	`refresh(java.util.Map<java.lang.String,java.lang.Object> parameters)` Refresh datasource passing specified parameters to the query.
`void`	`removeCollectionChangeListener(CollectionDatasource.CollectionChangeListener<T,K> listener)`
`void`	`removeItem(T item)` Remove an item from the collection.
`void`	`removeListener(DatasourceListener<T> listener)` Remove listener to datasource events
`void`	`replaceItem(T item)`
`void`	`resetSortOrder()` Remove sort infos
`void`	`resumeListeners()` Resume invocation of `collectionChanged` method of registered `CollectionDatasource.CollectionChangeListener`s after calling `CollectionDatasource.suspendListeners()`.
`void`	`revert()` Revert the datasource to its initial state before data modification.
`void`	`setCacheable(boolean cacheable)` Indicates that the datasource query results should be cached in the middleware query cache.
`void`	`setItem(T item)` Set current entity in the datasource.
`void`	`setMaxResults(int maxResults)` Set max number of rows.
`void`	`setQuery(java.lang.String query)` Set query string which is used to load data.
`void`	`setQuery(java.lang.String query, QueryFilter filter)` Set query string and associated filter which is used to load data.
`void`	`setQueryFilter(QueryFilter filter)` Set query filter which is used to load data.
`void`	`setRefreshOnComponentValueChange(boolean refresh)` Whether to refresh datasource on changing value of a component which it depends on (through `component$` parameter)
`void`	`setSoftDeletion(boolean softDeletion)` Switch on/off Soft Deletion.
`void`	`setup(java.lang.String id, Datasource masterDs, java.lang.String property)` Setup the datasource right after creation.
`int`	`size()`
`void`	`sort(CollectionDatasource.Sortable.SortInfo[] sortInfos)` Perform sorting
`void`	`suspendListeners()` Suspend invocation of `collectionChanged` method of registered `CollectionDatasource.CollectionChangeListener`s.
`void`	`updateItem(T item)` Update an item in the collection if it is already there.

Methods inherited from class com.haulmont.cuba.gui.data.impl.PropertyDatasourceImpl
commit, getDataSupplier, getDsContext, getItemIfValid, getMaster, getMetaClass, getProperty, getState, getView, initialized, invalidate, valid

Methods inherited from class com.haulmont.cuba.gui.data.impl.AbstractDatasource
addItemChangeListener, addItemPropertyChangeListener, addStateChangeListener, clearCommitLists, deleted, enableListeners, getCommitMode, getId, getItemsToCreate, getItemsToDelete, getItemsToUpdate, getLoadDynamicAttributes, getParent, isAllowCommit, isModified, removeItemChangeListener, removeItemPropertyChangeListener, removeStateChangeListener, setAllowCommit, setCommitMode, setLoadDynamicAttributes, setModified, setParent, setup, toString

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.haulmont.cuba.gui.data.Datasource
addItemChangeListener, addItemPropertyChangeListener, addStateChangeListener, commit, getCommitMode, getDataSupplier, getDsContext, getId, getItemIfValid, getLoadDynamicAttributes, getMetaClass, getState, getView, invalidate, isAllowCommit, isModified, removeItemChangeListener, removeItemPropertyChangeListener, removeStateChangeListener, setAllowCommit, setLoadDynamicAttributes, setup

Methods inherited from interface com.haulmont.cuba.gui.data.impl.DatasourceImplementation
clearCommitLists, deleted, enableListeners, getItemsToCreate, getItemsToDelete, getItemsToUpdate, getParent, setCommitMode, setModified, setParent

- Constructor Detail
  - CollectionPropertyDatasourceImpl
```
public CollectionPropertyDatasourceImpl()
```
- Method Detail
  - setup
```
public void setup(java.lang.String id,
                  Datasource masterDs,
                  java.lang.String property)
```
    Description copied from interface: NestedDatasource
    
    Setup the datasource right after creation. This method should be called only once.
    
    Specified by:
    
    setup in interface NestedDatasource<T extends Entity<K>>
    
    Overrides:
    
    setup in class PropertyDatasourceImpl<T extends Entity<K>>
    
    Parameters:
    
    id - datasource ID
    
    masterDs - master datasource
    
    property - property of the master datasource to bound this datasource to
  - getItem
```
public T getItem(K id)
```
    Specified by:
    
    getItem in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    item by ID, can be null
  - getItemNN
```
public T getItemNN(K id)
```
    Specified by:
    
    getItemNN in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    item by ID. Throws exception if not found.
  - getItemIds
```
public java.util.Collection<K> getItemIds()
```
    Specified by:
    
    getItemIds in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    all item IDs
  - getItems
```
public java.util.Collection<T> getItems()
```
    Description copied from interface: CollectionDatasource
    
    In standard implementations this is a wrapper method around CollectionDatasource.getItemIds() and CollectionDatasource.getItem(Object). Use it only if you really need the collection of items. Otherwise use CollectionDatasource.getItemIds() or CollectionDatasource.size() directly.
    
    Specified by:
    
    getItems in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    collection of all items
  - getItem
```
public T getItem()
```
    Specified by:
    
    getItem in interface Datasource<T extends Entity<K>>
    
    Overrides:
    
    getItem in class PropertyDatasourceImpl<T extends Entity<K>>
    
    Returns:
    
    current entity contained in the datasource
  - setItem
```
public void setItem(T item)
```
    Description copied from interface: Datasource
    
    Set current entity in the datasource.
    
    Specified by:
    
    setItem in interface Datasource<T extends Entity<K>>
    
    Overrides:
    
    setItem in class PropertyDatasourceImpl<T extends Entity<K>>
    
    Parameters:
    
    item - entity instance
  - refresh
```
public void refresh()
```
    Description copied from interface: Datasource
    
    Refreshes the datasource moving it to the Datasource.State.VALID state
    
    Specified by:
    
    refresh in interface Datasource<T extends Entity<K>>
    
    Overrides:
    
    refresh in class PropertyDatasourceImpl<T extends Entity<K>>
  - size
```
public int size()
```
    Specified by:
    
    size in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    size of the underlying collection.
  - addItem
```
public void addItem(T item)
```
    Description copied from interface: CollectionDatasource
    
    Add an item to the collection. The datasource becomes modified.
    
    Specified by:
    
    addItem in interface CollectionDatasource<T extends Entity<K>,K>
  - addItemFirst
```
public void addItemFirst(T item)
```
    Description copied from interface: CollectionDatasource.Ordered
    
    Add an item to the collection to the first position. The datasource becomes modified.
    
    Specified by:
    
    addItemFirst in interface CollectionDatasource.Ordered<T extends Entity<K>,K>
  - removeItem
```
public void removeItem(T item)
```
    Description copied from interface: CollectionDatasource
    
    Remove an item from the collection. The datasource becomes modified.
    
    Specified by:
    
    removeItem in interface CollectionDatasource<T extends Entity<K>,K>
  - excludeItem
```
public void excludeItem(T item)
```
    Description copied from interface: CollectionDatasource
    
    Exclude an item from the collection. The datasource "modified" state doesn't change.
    
    Specified by:
    
    excludeItem in interface CollectionDatasource<T extends Entity<K>,K>
  - includeItem
```
public void includeItem(T item)
```
    Description copied from interface: CollectionDatasource
    
    Include an item into the collection. The datasource "modified" state doesn't change.
    
    Specified by:
    
    includeItem in interface CollectionDatasource<T extends Entity<K>,K>
  - includeItemFirst
```
public void includeItemFirst(T item)
```
    Description copied from interface: CollectionDatasource.Ordered
    
    Include an item into the collection to the first position. The datasource "modified" state doesn't change.
    
    Specified by:
    
    includeItemFirst in interface CollectionDatasource.Ordered<T extends Entity<K>,K>
  - clear
```
public void clear()
```
    Description copied from interface: CollectionDatasource
    
    Clear the underlying collection. The datasource "modified" state doesn't change.
    
    Specified by:
    
    clear in interface CollectionDatasource<T extends Entity<K>,K>
  - revert
```
public void revert()
```
    Description copied from interface: CollectionDatasource
    
    Revert the datasource to its initial state before data modification.
    
    Specified by:
    
    revert in interface CollectionDatasource<T extends Entity<K>,K>
  - modifyItem
```
public void modifyItem(T item)
```
    Description copied from interface: CollectionDatasource
    
    Update an item in the collection if it is already there. The datasource becomes modified.
    
    Specified by:
    
    modifyItem in interface CollectionDatasource<T extends Entity<K>,K>
  - updateItem
```
public void updateItem(T item)
```
    Description copied from interface: CollectionDatasource
    
    Update an item in the collection if it is already there. Does not affect the "modified" state.
    
    Specified by:
    
    updateItem in interface CollectionDatasource<T extends Entity<K>,K>
  - modified
```
public void modified(T item)
```
    Description copied from interface: DatasourceImplementation
    
    Invoked when the given instance is modified.
    
    Specified by:
    
    modified in interface DatasourceImplementation<T extends Entity<K>>
    
    Overrides:
    
    modified in class PropertyDatasourceImpl<T extends Entity<K>>
  - replaceItem
```
public void replaceItem(T item)
```
  - containsItem
```
public boolean containsItem(K itemId)
```
    Specified by:
    
    containsItem in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    true if the underlying collection contains an item with the specified ID
  - getQuery
```
public java.lang.String getQuery()
```
    Specified by:
    
    getQuery in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    Query string which is used to load data. Implementation-dependent (JPQL, Groovy, etc.). Can be null.
  - getCompiledLoadContext
```
public LoadContext getCompiledLoadContext()
```
    Specified by:
    
    getCompiledLoadContext in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    load context that can be used to load the same data as contained in the datasource. Can be null.
  - getQueryFilter
```
public QueryFilter getQueryFilter()
```
    Specified by:
    
    getQueryFilter in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    Current query filter. Can be null.
  - setQuery
```
public void setQuery(java.lang.String query)
```
    Description copied from interface: CollectionDatasource
    Set query string which is used to load data. Implementation-dependent (JPQL, Groovy, etc.).
    The query may use the following parameters, distinguished by prefix:
    - ds$ - current item in the specified datasource
    - component$ - value of the specified UI component
    - param$ - value of parameter passed to the window when opening it
    - session$ - userId represents current or substituted user ID, userLogin represents current or substituted user login in lower case, any other string represents a user session attribute with this name
    - custom$ - value of parameter passed to the CollectionDatasource.refresh(java.util.Map) method
    Specified by:
    
    setQuery in interface CollectionDatasource<T extends Entity<K>,K>
  - setQuery
```
public void setQuery(java.lang.String query,
                     QueryFilter filter)
```
    Description copied from interface: CollectionDatasource
    
    Set query string and associated filter which is used to load data. Query is implementation-dependent (JPQL, Groovy, etc.).
    See CollectionDatasource.setQuery(String) for the list of supported query parameters.
    
    Specified by:
    
    setQuery in interface CollectionDatasource<T extends Entity<K>,K>
  - setQueryFilter
```
public void setQueryFilter(QueryFilter filter)
```
    Description copied from interface: CollectionDatasource
    
    Set query filter which is used to load data. Query remains the same. Query is implementation-dependent (JPQL, Groovy, etc.).
    See CollectionDatasource.setQuery(String) for the list of supported query parameters.
    
    Specified by:
    
    setQueryFilter in interface CollectionDatasource<T extends Entity<K>,K>
  - getMaxResults
```
public int getMaxResults()
```
    Specified by:
    
    getMaxResults in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    Max number of rows. 0 in case of no limits.
  - setMaxResults
```
public void setMaxResults(int maxResults)
```
    Description copied from interface: CollectionDatasource
    
    Set max number of rows. 0 in case of no limits.
    Implementations may or may not take this parameter into account.
    
    Specified by:
    
    setMaxResults in interface CollectionDatasource<T extends Entity<K>,K>
  - refresh
```
public void refresh(java.util.Map<java.lang.String,java.lang.Object> parameters)
```
    Description copied from interface: CollectionDatasource
    
    Refresh datasource passing specified parameters to the query.
    These parameters may be referenced in the query text by "custom$" prefix.
    
    Specified by:
    
    refresh in interface CollectionDatasource<T extends Entity<K>,K>
    
    Parameters:
    
    parameters - parameters map
  - getLastRefreshParameters
```
public java.util.Map<java.lang.String,java.lang.Object> getLastRefreshParameters()
```
    Description copied from interface: CollectionDatasource
    
    Returns the parameters last used in CollectionDatasource.refresh(Map) method or empty map if there was no refresh with parameters
    
    Specified by:
    
    getLastRefreshParameters in interface CollectionDatasource<T extends Entity<K>,K>
  - getRefreshOnComponentValueChange
```
public boolean getRefreshOnComponentValueChange()
```
    Description copied from interface: CollectionDatasource
    
    Whether to refresh datasource on changing value of a component which it depends on (through component$ parameter)
    
    Specified by:
    
    getRefreshOnComponentValueChange in interface CollectionDatasource<T extends Entity<K>,K>
  - setRefreshOnComponentValueChange
```
public void setRefreshOnComponentValueChange(boolean refresh)
```
    Description copied from interface: CollectionDatasource
    
    Whether to refresh datasource on changing value of a component which it depends on (through component$ parameter)
    
    Specified by:
    
    setRefreshOnComponentValueChange in interface CollectionDatasource<T extends Entity<K>,K>
  - addCollectionChangeListener
```
public void addCollectionChangeListener(CollectionDatasource.CollectionChangeListener<T,K> listener)
```
    Specified by:
    
    addCollectionChangeListener in interface CollectionDatasource<T extends Entity<K>,K>
  - removeCollectionChangeListener
```
public void removeCollectionChangeListener(CollectionDatasource.CollectionChangeListener<T,K> listener)
```
    Specified by:
    
    removeCollectionChangeListener in interface CollectionDatasource<T extends Entity<K>,K>
  - addListener
```
public void addListener(DatasourceListener<T> listener)
```
    Description copied from interface: Datasource
    
    Add listener to datasource events.
    
    Specified by:
    
    addListener in interface Datasource<T extends Entity<K>>
    
    Overrides:
    
    addListener in class AbstractDatasource<T extends Entity<K>>
  - removeListener
```
public void removeListener(DatasourceListener<T> listener)
```
    Description copied from interface: Datasource
    
    Remove listener to datasource events
    
    Specified by:
    
    removeListener in interface Datasource<T extends Entity<K>>
    
    Overrides:
    
    removeListener in class AbstractDatasource<T extends Entity<K>>
  - committed
```
public void committed(java.util.Set<Entity> entities)
```
    Description copied from interface: DatasourceImplementation
    
    Invoked after commit.
    
    Specified by:
    
    committed in interface DatasourceImplementation<T extends Entity<K>>
    
    Overrides:
    
    committed in class PropertyDatasourceImpl<T extends Entity<K>>
    
    Parameters:
    
    entities - committed entities returned from middleware
  - suspendListeners
```
public void suspendListeners()
```
    Description copied from interface: CollectionDatasource
    Suspend invocation of collectionChanged method of registered CollectionDatasource.CollectionChangeListeners. It makes sense in case of massive updates of the datasource by CollectionDatasource.addItem(com.haulmont.cuba.core.entity.Entity) or similar methods. After that, collectionChanged will be invoked once on CollectionDatasource.resumeListeners() call.
    Usage example:
```
 ds.suspendListeners();
       try {
           for (Object item : items) {
               ds.addItem(item);
           }
       } finally {
           ds.resumeListeners();
       }
 
```
    Specified by:
    
    suspendListeners in interface CollectionDatasource<T extends Entity<K>,K>
  - resumeListeners
```
public void resumeListeners()
```
    Description copied from interface: CollectionDatasource
    
    Resume invocation of collectionChanged method of registered CollectionDatasource.CollectionChangeListeners after calling CollectionDatasource.suspendListeners(). It will call collectionChanged just once, doesn't matter how many updates were issued since the previous CollectionDatasource.suspendListeners() call.
    This method should be called in finally section.
    
    Specified by:
    
    resumeListeners in interface CollectionDatasource<T extends Entity<K>,K>
  - isSoftDeletion
```
public boolean isSoftDeletion()
```
    Specified by:
    
    isSoftDeletion in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    true if this datasource is in Soft Delete mode.
  - setSoftDeletion
```
public void setSoftDeletion(boolean softDeletion)
```
    Description copied from interface: CollectionDatasource
    
    Switch on/off Soft Deletion.
    
    Specified by:
    
    setSoftDeletion in interface CollectionDatasource<T extends Entity<K>,K>
  - isCacheable
```
public boolean isCacheable()
```
    Specified by:
    
    isCacheable in interface CollectionDatasource<T extends Entity<K>,K>
    
    Returns:
    
    true if this datasource results is cacheable.
  - setCacheable
```
public void setCacheable(boolean cacheable)
```
    Description copied from interface: CollectionDatasource
    
    Indicates that the datasource query results should be cached in the middleware query cache.
    
    Specified by:
    
    setCacheable in interface CollectionDatasource<T extends Entity<K>,K>
  - sort
```
public void sort(CollectionDatasource.Sortable.SortInfo[] sortInfos)
```
    Description copied from interface: CollectionDatasource.Sortable
    
    Perform sorting
    
    Specified by:
    
    sort in interface CollectionDatasource.Sortable<T extends Entity<K>,K>
  - resetSortOrder
```
public void resetSortOrder()
```
    Description copied from interface: CollectionDatasource.Sortable
    
    Remove sort infos
    
    Specified by:
    
    resetSortOrder in interface CollectionDatasource.Sortable<T extends Entity<K>,K>
  - indexOfId
```
public int indexOfId(K itemId)
```
    Specified by:
    
    indexOfId in interface CollectionDatasource.Indexed<T extends Entity<K>,K>
  - getIdByIndex
```
public K getIdByIndex(int index)
```
    Specified by:
    
    getIdByIndex in interface CollectionDatasource.Indexed<T extends Entity<K>,K>
  - getItemIds
```
public java.util.List<K> getItemIds(int startIndex,
                                    int numberOfItems)
```
    Specified by:
    
    getItemIds in interface CollectionDatasource.Indexed<T extends Entity<K>,K>
  - firstItemId
```
public K firstItemId()
```
    Specified by:
    
    firstItemId in interface CollectionDatasource.Ordered<T extends Entity<K>,K>
  - lastItemId
```
public K lastItemId()
```
    Specified by:
    
    lastItemId in interface CollectionDatasource.Ordered<T extends Entity<K>,K>
  - nextItemId
```
public K nextItemId(K itemId)
```
    Specified by:
    
    nextItemId in interface CollectionDatasource.Ordered<T extends Entity<K>,K>
  - prevItemId
```
public K prevItemId(K itemId)
```
    Specified by:
    
    prevItemId in interface CollectionDatasource.Ordered<T extends Entity<K>,K>
  - isFirstId
```
public boolean isFirstId(K itemId)
```
    Specified by:
    
    isFirstId in interface CollectionDatasource.Ordered<T extends Entity<K>,K>
  - isLastId
```
public boolean isLastId(K itemId)
```
    Specified by:
    
    isLastId in interface CollectionDatasource.Ordered<T extends Entity<K>,K>
  - aggregate
```
public java.util.Map<AggregationInfo,java.lang.String> aggregate(AggregationInfo[] aggregationInfos,
                                                                 java.util.Collection<K> itemIds)
```
    Description copied from interface: CollectionDatasource.Aggregatable
    
    Perform aggregation
    
    Specified by:
    
    aggregate in interface CollectionDatasource.Aggregatable<T extends Entity<K>,K>

Class CollectionPropertyDatasourceImpl<T extends Entity<K>,K>

Nested Class Summary

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

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

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

Constructor Summary

Method Summary

Methods inherited from class com.haulmont.cuba.gui.data.impl.PropertyDatasourceImpl

Methods inherited from class com.haulmont.cuba.gui.data.impl.AbstractDatasource

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.haulmont.cuba.gui.data.impl.DatasourceImplementation

Constructor Detail

CollectionPropertyDatasourceImpl

Method Detail

setup

getItem

getItemNN

getItemIds

getItems

getItem

setItem

refresh

size

addItem

addItemFirst

removeItem

excludeItem

includeItem

includeItemFirst

clear

revert

modifyItem

updateItem

modified

replaceItem

containsItem

getQuery

getCompiledLoadContext

getQueryFilter

setQuery

setQuery

setQueryFilter

getMaxResults

setMaxResults

refresh

getLastRefreshParameters

getRefreshOnComponentValueChange

setRefreshOnComponentValueChange

addCollectionChangeListener

removeCollectionChangeListener

addListener

removeListener

committed

suspendListeners

resumeListeners

isSoftDeletion

setSoftDeletion

isCacheable

setCacheable

sort

resetSortOrder

indexOfId

getIdByIndex

getItemIds

firstItemId

lastItemId

nextItemId

prevItemId

isFirstId

isLastId

aggregate