Package org.apache.cayenne.util

Class PersistentObjectMap

java.lang.Object

org.apache.cayenne.util.RelationshipFault

org.apache.cayenne.util.PersistentObjectMap

All Implemented Interfaces:

Serializable, Map, ValueHolder

public class PersistentObjectMap
extends RelationshipFault
implements Map, ValueHolder

Since:

3.0

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field	Description
protected Accessor	mapKeyAccessor
protected Map	objectMap

Fields inherited from class org.apache.cayenne.util.RelationshipFault

relationshipName, relationshipOwner

Constructor Summary

Constructors

Constructor	Description
PersistentObjectMap(Persistent relationshipOwner, String relationshipName, Accessor mapKeyAccessor)	Creates PersistentObjectList initializing it with list owner persistent object and relationship name that this list maps to.

Method Summary

Modifier and Type	Method	Description
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set	entrySet()
Object	get(Object key)
Object	getValue()	Returns an object stored by this ValueHolder.
Object	getValueDirectly()	Retrieves ValueHolder value without triggering fault resolution.
protected Map	indexCollection(Collection<Object> collection)	Converts a collection into a map indexed by map key.
void	invalidate()	Turns a ValueHolder into a fault.
boolean	isEmpty()
boolean	isFault()	Returns true if the internal value is not yet resolved.
Set	keySet()
protected void	mergeLocalChanges(List resolved)
protected void	postprocessAdd(Object addedObject)
protected void	postprocessAdd(Collection collection)
protected void	postprocessRemove(Object removedObject)
protected void	postprocessRemove(Collection collection)
Object	put(Object key, Object value)
void	putAll(Map map)
void	putDirectly(Object key, Object value)
Object	remove(Object key)
void	removeDirectly(Object key)
protected Map	resolvedObjectMap()	Returns internal objects list resolving it if needed.
void	setObjectMap(Map objectMap)
Object	setValue(Object value)	Sets an object stored by this ValueHolder.
Object	setValueDirectly(Object value)	Sets ValueHolder vaue without triggering fault resolution.
int	size()
String	toString()
Collection	values()

Methods inherited from class org.apache.cayenne.util.RelationshipFault

getRelationshipName, getRelationshipOwner, isTransientParent, isUncommittedParent, resolveFromDB, updateReverse

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, equals, forEach, getOrDefault, hashCode, merge, putIfAbsent, remove, replace, replace, replaceAll

Field Details

objectMap

protected Map objectMap

mapKeyAccessor

protected Accessor mapKeyAccessor

Constructor Details

PersistentObjectMap

public PersistentObjectMap(Persistent relationshipOwner,
 String relationshipName,
 Accessor mapKeyAccessor)

Creates PersistentObjectList initializing it with list owner persistent object and relationship name that this list maps to.

Parameters:

relationshipOwner - persistent object that owns this list.

relationshipName - a query used to resolve the list

mapKeyAccessor - an accessor that can read a map key from an object.

Method Details

getValue

public Object getValue()
                throws CayenneRuntimeException

Description copied from interface: ValueHolder

Returns an object stored by this ValueHolder.

Specified by:

getValue in interface ValueHolder

Throws:

CayenneRuntimeException

getValueDirectly

public Object getValueDirectly()
                        throws CayenneRuntimeException

Description copied from interface: ValueHolder

Retrieves ValueHolder value without triggering fault resolution.

Specified by:

getValueDirectly in interface ValueHolder

Throws:

CayenneRuntimeException

invalidate

public void invalidate()

Description copied from interface: ValueHolder

Turns a ValueHolder into a fault.

Specified by:

invalidate in interface ValueHolder

mergeLocalChanges

protected void mergeLocalChanges(List resolved)

Specified by:

mergeLocalChanges in class RelationshipFault

isFault

public boolean isFault()

Description copied from interface: ValueHolder

Returns true if the internal value is not yet resolved.

Specified by:

isFault in interface ValueHolder

setValue

public Object setValue(Object value)
                throws CayenneRuntimeException

Description copied from interface: ValueHolder

Sets an object stored by this ValueHolder.

Specified by:

setValue in interface ValueHolder

Parameters:

value - a new value of the ValueHolder.

Returns:

a previous value saved in the ValueHolder.

Throws:

CayenneRuntimeException

setValueDirectly

public Object setValueDirectly(Object value)
                        throws CayenneRuntimeException

Description copied from interface: ValueHolder

Sets ValueHolder vaue without triggering fault resolution.

Specified by:

setValueDirectly in interface ValueHolder

Throws:

CayenneRuntimeException

setObjectMap

public void setObjectMap(Map objectMap)

resolvedObjectMap

protected Map resolvedObjectMap()

Returns internal objects list resolving it if needed.

indexCollection

protected Map indexCollection(Collection<Object> collection)

Converts a collection into a map indexed by map key.

toString

public String toString()

Overrides:

toString in class Object

postprocessAdd

protected void postprocessAdd(Object addedObject)

postprocessAdd

protected void postprocessAdd(Collection collection)

postprocessRemove

protected void postprocessRemove(Object removedObject)

postprocessRemove

protected void postprocessRemove(Collection collection)

clear

public void clear()

Specified by:

clear in interface Map

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

get

public Object get(Object key)

Specified by:

get in interface Map

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map

keySet

public Set keySet()

Specified by:

keySet in interface Map

put

public Object put(Object key,
 Object value)

Specified by:

put in interface Map

putAll

public void putAll(Map map)

Specified by:

putAll in interface Map

remove

public Object remove(Object key)

Specified by:

remove in interface Map

size

public int size()

Specified by:

size in interface Map

values

public Collection values()

Specified by:

values in interface Map

putDirectly

public void putDirectly(Object key,
 Object value)

removeDirectly

public void removeDirectly(Object key)