T
- EntityK
- Keypublic abstract class AbstractTreeDatasource<T extends Entity<K>,K> extends CollectionDatasourceImpl<T,K> implements HierarchicalDatasource<T,K>
AbstractCollectionDatasource.ComponentValueListener
AbstractDatasource.ItemListener
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>, CollectionDatasource.UnmuteEventsMode
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>
CollectionDatasource.Sortable.Order, CollectionDatasource.Sortable.SortInfo<P>
Modifier and Type | Field and Description |
---|---|
protected java.util.Map<K,com.haulmont.bali.datastruct.Node<T>> |
nodes |
protected com.haulmont.bali.datastruct.Tree<T> |
tree |
aggregatableDelegate, data, firstResult, inRefresh, lastQuery, prevQueries, queryKey, refreshOnResumeRequired, sortOnDb, suspended
cacheable, componentValueListener, dataLoadError, filter, listenersSuspended, maxResults, query, queryParameters, refreshMode, refreshOnComponentValueChange, savedParameters, softDeletion, sortInfos, suspendedEvents, userSession
dataSupplier, dsContext, item, metaClass, state, view
allowCommit, backgroundWorker, commitMode, id, itemsToCreate, itemsToDelete, itemsToUpdate, listener, listenersEnabled, loadDynamicAttributes, metadata, modified, parentDs
Constructor and Description |
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AbstractTreeDatasource() |
Modifier and Type | Method and Description |
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void |
clear()
Clear the underlying collection.
|
java.util.Collection<K> |
getChildren(K itemId)
Get children IDs for item with the given ID
|
java.lang.String |
getHierarchyPropertyName()
Property of entity which forms the hierarchy
|
K |
getParent(K itemId)
Get parent ID for item with the given ID
|
java.util.Collection<K> |
getRootItemIds()
Identifiers of all root items
|
boolean |
hasChildren(K itemId)
True if item with the given ID has children
|
boolean |
isRoot(K itemId)
True if item with the given ID is a root item
|
protected void |
loadData(java.util.Map<java.lang.String,java.lang.Object> params)
Load data from middleware into
CollectionDatasourceImpl.data field. |
protected abstract com.haulmont.bali.datastruct.Tree<T> |
loadTree(java.util.Map<java.lang.String,java.lang.Object> params) |
void |
setHierarchyPropertyName(java.lang.String parentPropertyName)
Set property of entity which forms the hierarchy
|
addItem, addItemFirst, afterLoadData, afterRefresh, aggregate, aggregateValues, beforeLoadData, beforeRefresh, checkState, checkStateBeforeAdd, committed, containsAllDataFromDb, containsItem, detachListener, doSort, excludeItem, firstItemId, getCompiledLoadContext, getFirstResult, getIdByIndex, getItem, getItemIds, getItemIds, getItems, getItemValue, includeItem, includeItemFirst, incrementQueryKey, indexOfId, internalAddItem, internalIncludeItem, isFirstId, isLastId, isSuspended, lastItemId, modifyItem, needLoading, nextItemId, pinQuery, prepareLoadContext, prevItemId, refresh, refresh, refreshIfNotSuspended, refreshIfNotSuspended, removeItem, resetSortOrder, revert, setFirstResult, setSuspended, size, sort, unpinAllQuery, unpinLastQuery, updateItem
addCollectionChangeListener, checkDataLoadError, commit, createDataQuery, createEntityComparator, fireCollectionChanged, getCount, getItemNN, getJPQLQuery, getLastRefreshParameters, getLoggingTag, getMaxResults, getQuery, getQueryFilter, getQueryParameters, getRefreshMode, getRefreshOnComponentValueChange, getSortPropertiesForPersistentAttribute, getTemplateParams, isCacheable, isSoftDeletion, makeCaseInsensitive, mute, removeCollectionChangeListener, resumeListeners, setCacheable, setItem, setMaxResults, setQuery, setQuery, setQueryFilter, setRefreshMode, setRefreshOnComponentValueChange, setSoftDeletion, setSortDirection, suspendListeners, unmute
__setItem, getDataSupplier, getDsContext, getItem, getItemIfValid, getMetaClass, getState, getView, initialized, invalidate, setDataSupplier, setDsContext, setMetaClass, setup, setView, setView, valid
addItemChangeListener, addItemPropertyChangeListener, addParentsToNested, addStateChangeListener, attachListener, clearCommitLists, deleted, detachListener, enableListeners, fireItemChanged, fireStateChanged, getCommitMode, getEventRouter, getId, getItemsToCreate, getItemsToDelete, getItemsToUpdate, getLoadDynamicAttributes, getParent, isAllowCommit, isModified, modified, removeItemChangeListener, removeItemPropertyChangeListener, removeStateChangeListener, setAllowCommit, setCommitMode, setLoadDynamicAttributes, setModified, setParent, toString
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
addCollectionChangeListener, addItem, 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
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
getCount
clearCommitLists, deleted, enableListeners, getItemsToCreate, getItemsToDelete, getItemsToUpdate, getParent, modified, setCommitMode, setModified, setParent
protected void loadData(java.util.Map<java.lang.String,java.lang.Object> params)
CollectionDatasourceImpl
CollectionDatasourceImpl.data
field.
In case of error sets AbstractCollectionDatasource.dataLoadError
field to the exception object.
loadData
in class CollectionDatasourceImpl<T extends Entity<K>,K>
params
- datasource parameters, as described in CollectionDatasource.refresh(java.util.Map)
protected abstract com.haulmont.bali.datastruct.Tree<T> loadTree(java.util.Map<java.lang.String,java.lang.Object> params)
public java.lang.String getHierarchyPropertyName()
HierarchicalDatasource
getHierarchyPropertyName
in interface HierarchicalDatasource<T extends Entity<K>,K>
public void setHierarchyPropertyName(java.lang.String parentPropertyName)
HierarchicalDatasource
setHierarchyPropertyName
in interface HierarchicalDatasource<T extends Entity<K>,K>
public java.util.Collection<K> getRootItemIds()
HierarchicalDatasource
getRootItemIds
in interface HierarchicalDatasource<T extends Entity<K>,K>
public K getParent(K itemId)
HierarchicalDatasource
public java.util.Collection<K> getChildren(K itemId)
HierarchicalDatasource
getChildren
in interface HierarchicalDatasource<T extends Entity<K>,K>
public boolean isRoot(K itemId)
HierarchicalDatasource
public void clear()
CollectionDatasource
public boolean hasChildren(K itemId)
HierarchicalDatasource
hasChildren
in interface HierarchicalDatasource<T extends Entity<K>,K>