org.nakedobjects.object.collection
Class InstanceCollection

java.lang.Object
  java.util.Observable
      org.nakedobjects.object.AbstractNakedObject
          org.nakedobjects.object.collection.AbstractNakedCollection
              org.nakedobjects.object.collection.TypedCollection
                  org.nakedobjects.object.collection.InstanceCollection

All Implemented Interfaces:

java.io.Externalizable, Naked, NakedCollection, NakedObject, java.io.Serializable

public class InstanceCollection

extends TypedCollection

See Also:

Serialized Form

Constructor Summary

InstanceCollection(java.lang.Class type)

InstanceCollection(NakedObject pattern)

Method Summary

Permission	canAdd(NakedObject object) Returns a veto.
Permission	canRemove(NakedObject object) Returns a veto.
boolean	isPersistent() The instances collections are always shown as persistent as they are based on the ObjectStore, which is used to persist objects, although the collection does not exist in its own right on the store.
void	resolve() Resolves the current object ensuring all its attributes are available in memory.
Title	title() by default returns the collections name and its number of elements

Methods inherited from class org.nakedobjects.object.collection.TypedCollection

getType, type

Methods inherited from class org.nakedobjects.object.collection.AbstractNakedCollection

add, addAll, added, contains, displayElements, elements, extract, first, getDisplaySize, getMaxCacheSize, hasNext, hasPrevious, isEmpty, last, next, position, previous, remove, removeAll, removed, reset, search, setDisplaySize, setMaxCacheSize, size

Methods inherited from class org.nakedobjects.object.AbstractNakedObject

about, aboutExplorationActionClass, aboutExplorationActionClone, aboutExplorationActionMakePersistent, canClone, contextualTitle, copyObject, created, createInstance, createInstance, createTransientInstance, deleted, destroy, equals, explorationActionClass, explorationActionClone, explorationActionMakePersistent, getClassHelpText, getClassName, getCollectiveName, getFullClassName, getIconName, getIdString, getNakedClass, getObjectHelpText, getObjectStore, getOid, hashCode, iconImage, init, isFinder, isLookupElement, isResolved, isSameAs, isValid, makeFinder, makePersistent, objectChanged, readExternal, resolve, setChangedAndNotifyObservers, setOid, setResolved, summary, toString, writeExternal

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.nakedobjects.object.NakedCollection

copyObject

Methods inherited from interface org.nakedobjects.object.NakedObject

addObserver, contextualTitle, countObservers, created, deleted, deleteObserver, destroy, getCollectiveName, getIdString, getNakedClass, getObjectStore, getOid, hasChanged, iconImage, isFinder, isLookupElement, isResolved, makeFinder, makePersistent, objectChanged, setChangedAndNotifyObservers, setOid, setResolved

Methods inherited from interface org.nakedobjects.object.Naked

about, getClassName, getFullClassName, getObjectHelpText, isSameAs, isValid, summary

Constructor Detail

InstanceCollection

public InstanceCollection(java.lang.Class type)

InstanceCollection

public InstanceCollection(NakedObject pattern)

Method Detail

isPersistent

public boolean isPersistent()

The instances collections are always shown as persistent as they are based on the ObjectStore, which is used to persist objects, although the collection does not exist in its own right on the store.

Specified by:

isPersistent in interface NakedObject

Overrides:

isPersistent in class AbstractNakedObject

canAdd

public Permission canAdd(NakedObject object)

Returns a veto. The user should not be able to add instannces to the set of instances

Specified by:

canAdd in interface NakedCollection

Overrides:

canAdd in class TypedCollection

canRemove

public Permission canRemove(NakedObject object)

Returns a veto. The user should not be able to remove instannces to the set of instances

Specified by:

canRemove in interface NakedCollection

Overrides:

canRemove in class TypedCollection

resolve

public void resolve()

Description copied from interface: NakedObject

Resolves the current object ensuring all its attributes are available in memory.

Specified by:

resolve in interface NakedObject

Overrides:

resolve in class AbstractNakedObject

title

public Title title()

Description copied from interface: NakedCollection

by default returns the collections name and its number of elements

Specified by:

title in interface NakedCollection

Overrides:

title in class AbstractNakedCollection