ch.elexis.actions
Class ReadOnceTreeLoader

java.lang.Object
  ch.elexis.actions.PersistentObjectLoader
      ch.elexis.actions.ReadOnceTreeLoader

All Implemented Interfaces:

DelayableJob.IWorker, ViewerConfigurer.ControlFieldListener, ViewerConfigurer.ICommonViewerContentProvider

public class ReadOnceTreeLoader
extends PersistentObjectLoader

A TreeLoader designed to read only once (for immutable data)

Author:

gerry

Nested Class Summary

Nested classes/interfaces inherited from class ch.elexis.actions.PersistentObjectLoader

PersistentObjectLoader.QueryFilter

Field Summary

Fields inherited from class ch.elexis.actions.PersistentObjectLoader

PARAM_FIELDNAMES, PARAM_VALUES

Constructor Summary

ReadOnceTreeLoader(CommonViewer cv, Query<? extends PersistentObject> qbe, java.lang.String parentField, java.lang.String orderBy)

Method Summary

java.lang.Object[]	getChildren(java.lang.Object parent)
java.lang.Object[]	getElements(java.lang.Object inputElement)
java.lang.Object	getParent(java.lang.Object element)
boolean	hasChildren(java.lang.Object element)
void	init() Called after all elements of the CommonViewer are created but before setting input
IStatus	work(IProgressMonitor monitor, java.util.HashMap<java.lang.String,java.lang.Object> params)

Methods inherited from class ch.elexis.actions.PersistentObjectLoader

addQueryFilter, applyQueryFilters, changed, dispose, getQuery, inputChanged, isSuspended, removeQueryFilter, reorder, selected, setOrderFields, setSuspended, startListening, stopListening

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadOnceTreeLoader

public ReadOnceTreeLoader(CommonViewer cv,
                          Query<? extends PersistentObject> qbe,
                          java.lang.String parentField,
                          java.lang.String orderBy)

Method Detail

work

public IStatus work(IProgressMonitor monitor,
                    java.util.HashMap<java.lang.String,java.lang.Object> params)

getElements

public java.lang.Object[] getElements(java.lang.Object inputElement)

Overrides:

getElements in class PersistentObjectLoader

getParent

public java.lang.Object getParent(java.lang.Object element)

getChildren

public java.lang.Object[] getChildren(java.lang.Object parent)

init

public void init()

Description copied from interface: ViewerConfigurer.ICommonViewerContentProvider

Called after all elements of the CommonViewer are created but before setting input

Specified by:

init in interface ViewerConfigurer.ICommonViewerContentProvider

Overrides:

init in class PersistentObjectLoader

hasChildren

public boolean hasChildren(java.lang.Object element)