| org.apache.openjpa.util.ProxyManager
All known Subclasses: org.apache.openjpa.util.ProxyManagerImpl,
| ProxyManager | | public interface ProxyManager (Code) | | Manager for copying and proxying second class objects. Second class
objects are those that are often used as fields of persistent or
transactional instances, and which can themselves be modified without
resetting the owning class' field. Because these types can change without
an explicit call to the owning persistence capable instance, special care
must be taken to ensure that their state is managed correctly.
Specifically, they must be copied when saving state for rollback, and they
must be proxied for any instance whose state is managed by a state manager,
where proxying involves creating a second class object that automaticlly
notifies its owning instance whenever it is modified. Generally, this
factory is only used by the implementation; second class object handling
is transparent to client code.
author:
Abe White |
| copyArray | | public Object copyArray(Object orig)(Code) | | Return a new array of the same component type as the given array
and containing the same elements. Works for both primitive and
object array types.
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| copyCalendar | | public Calendar copyCalendar(Calendar orig)(Code) | | Return a copy of the given calendar with the same information.
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| copyCollection | | public Collection copyCollection(Collection orig)(Code) | | Return a new collection of the same type as the given one
with a copy of all contained elements.
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| copyCustom | | public Object copyCustom(Object orig)(Code) | | Return a copy of the given object with the same information, or null if
this manager cannot copy the object.
since:
0.2.5 |
| copyDate | | public Date copyDate(Date orig)(Code) | | Return a copy of the given date with the same information.
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| copyMap | | public Map copyMap(Map orig)(Code) | | Return a new map of the same type as the given one
with a copy of all contained key/value pairs.
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| newCollectionProxy | | public Proxy newCollectionProxy(Class type, Class elementType, Comparator compare)(Code) | | Return a proxy for the given collection type. The returned collection
will allow only addition of elements assignable from the given
element type and will use the given comparator, if it is not null.
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| newCustomProxy | | public Proxy newCustomProxy(Object obj)(Code) | | Return a proxy for the given object, or null if this manager cannot
proxy the object.
since:
0.2.5 |
| newDateProxy | | public Proxy newDateProxy(Class type)(Code) | | Return a new date proxy.
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| newMapProxy | | public Proxy newMapProxy(Class type, Class keyType, Class valueType, Comparator compare)(Code) | | Return a proxy for the given map type. The returned map will
allow only addition of keys/values assignable from the given
keyType/valueType, and will use the given comparator, if it is not null.
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