Panda3D

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CopyOnWriteObj< Base > Class Template Reference

This is similar to RefCountObj, but it implements a CopyOnWriteObject inheritance instead of a ReferenceCount inheritance. More...

`#include "copyOnWriteObject.h"`

Inheritance diagram for CopyOnWriteObj< Base >:

## Public Member Functions
| CopyOnWriteObj (const Base &copy)
| CopyOnWriteObj (const CopyOnWriteObj< Base > &copy)
virtual TypeHandle | force_init_type ()
virtual TypeHandle | get_type () const
Public Member Functions inherited from CopyOnWriteObject
| CopyOnWriteObject (const CopyOnWriteObject &copy)
void | operator= (const CopyOnWriteObject &copy)
Public Member Functions inherited from CachedTypedWritableReferenceCount
void | cache_ref () const
| Explicitly increments the cache reference count and the normal reference count simultaneously. More...
void | cache_ref_only () const
| Decrements the cache reference count without affecting the normal reference count. More...
bool | cache_unref () const
| Explicitly decrements the cache reference count and the normal reference count simultaneously. More...
int | get_cache_ref_count () const
bool | test_ref_count_integrity () const
| Does some easy checks to make sure that the reference count isn't completely bogus. More...
Public Member Functions inherited from TypedWritableReferenceCount
| TypedWritableReferenceCount (const TypedWritableReferenceCount &copy)
virtual ReferenceCount * | as_reference_count ()
| Returns the pointer cast to a ReferenceCount pointer, if it is in fact of that type. More...
void | operator= (const TypedWritableReferenceCount &copy)
Public Member Functions inherited from TypedWritable
| TypedWritable (const TypedWritable &copy)
virtual int | complete_pointers (TypedWritable **p_list, BamReader *manager)
| Receives an array of pointers, one for each time manager->read_pointer() was called in fillin(). More...
vector_uchar | encode_to_bam_stream () const
| Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a bytes object. More...
bool | encode_to_bam_stream (vector_uchar &data, BamWriter *writer=nullptr) const
| Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string. More...
virtual void | fillin (DatagramIterator &scan, BamReader *manager)
| This internal function is intended to be called by each class's make_from_bam() method to read in all of the relevant data from the BamFile for the new object. More...
virtual void | finalize (BamReader *manager)
| Called by the BamReader to perform any final actions needed for setting up the object after all objects have been read and all pointers have been completed. More...
UpdateSeq | get_bam_modified () const
| Returns the current bam_modified counter. More...
void | mark_bam_modified ()
| Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams. More...
void | operator= (const TypedWritable &copy)
virtual bool | require_fully_complete () const
| Some objects require all of their nested pointers to have been completed before the objects themselves can be completed. More...
virtual void | update_bam_nested (BamWriter *manager)
| Called by the BamWriter when this object has not itself been modified recently, but it should check its nested objects for updates. More...
virtual void | write_datagram (BamWriter *manager, Datagram &dg)
| Writes the contents of this object to the datagram for shipping out to a Bam file. More...
Public Member Functions inherited from TypedObject
| TypedObject (const TypedObject &copy)=default
TypedObject * | as_typed_object ()
| Returns the object, upcast (if necessary) to a TypedObject pointer. More...
const TypedObject * | as_typed_object () const
| Returns the object, upcast (if necessary) to a TypedObject pointer. More...
int | get_best_parent_from_Set (const std::set< int > &) const
int | get_type_index () const
| Returns the internal index number associated with this object's TypeHandle, a unique number for each different type. More...
bool | is_exact_type (TypeHandle handle) const
| Returns true if the current object is the indicated type exactly. More...
bool | is_of_type (TypeHandle handle) const
| Returns true if the current object is or derives from the indicated type. More...
TypedObject & | operator= (const TypedObject &copy)=default
Public Member Functions inherited from MemoryBase
void | operator delete (void *, void *)
void | operator delete (void *ptr)
void | operator delete[] (void *, void *)
void | operator delete[] (void *ptr)
void * | operator new (size_t size)
void * | operator new (size_t size, void *ptr)
void * | operator new[] (size_t size)
void * | operator new[] (size_t size, void *ptr)
Public Member Functions inherited from ReferenceCount
int | get_ref_count () const
WeakReferenceList * | get_weak_list () const
| Returns the WeakReferenceList associated with this ReferenceCount object. More...
bool | has_weak_list () const
| Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise. More...
void | local_object ()
| This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack. More...
void | ref () const
| Explicitly increments the reference count. More...
bool | ref_if_nonzero () const
| Atomically increases the reference count of this object if it is not zero. More...
bool | test_ref_count_integrity () const
| Does some easy checks to make sure that the reference count isn't completely bogus. More...
bool | test_ref_count_nonzero () const
| Does some easy checks to make sure that the reference count isn't zero, or completely bogus. More...
virtual bool | unref () const
| Explicitly decrements the reference count. More...
bool | unref_if_one () const
| Atomically decreases the reference count of this object if it is one. More...
WeakReferenceList * | weak_ref ()
| Adds the indicated PointerToVoid as a weak reference to this object. More...
void | weak_unref ()
| Removes the indicated PointerToVoid as a weak reference to this object. More...

## Static Public Member Functions
static TypeHandle | get_class_type ()
static void | init_type ()
Static Public Member Functions inherited from CopyOnWriteObject
static TypeHandle | get_class_type ()
static void | init_type ()
Static Public Member Functions inherited from CachedTypedWritableReferenceCount
static TypeHandle | get_class_type ()
static void | init_type ()
Static Public Member Functions inherited from TypedWritableReferenceCount
static TypeHandle | get_class_type ()
static void | init_type ()
static | PT (TypedWritableReferenceCount) decode_from_bam_stream(vector_uchar data
Static Public Member Functions inherited from TypedWritable
static bool | decode_raw_from_bam_stream (TypedWritable *&ptr, ReferenceCount *&ref_ptr, vector_uchar data, BamReader *reader=nullptr)
| Reads the bytes created by a previous call to encode_to_bam_stream(), and extracts the single object on those bytes. More...
static TypeHandle | get_class_type ()
static void | init_type ()
Static Public Member Functions inherited from TypedObject
static TypeHandle | get_class_type ()
static void | init_type ()
| This function is declared non-inline to work around a compiler bug in g++ 2.96. More...
Static Public Member Functions inherited from ReferenceCount
static TypeHandle | get_class_type ()
static void | init_type ()

## Additional Inherited Members
Public Attributes inherited from CachedTypedWritableReferenceCount
| get_cache_ref_count
| Returns the current reference count. More...
Public Attributes inherited from TypedWritableReferenceCount
static BamReader * | reader = nullptr)
Public Attributes inherited from TypedObject
| get_type
Public Attributes inherited from ReferenceCount
| get_ref_count
| Returns the current reference count. More...
Static Public Attributes inherited from TypedWritable
static TypedWritable *const | Null = nullptr

## Detailed Description

### template<class Base>
class CopyOnWriteObj< Base >

This is similar to RefCountObj, but it implements a CopyOnWriteObject inheritance instead of a ReferenceCount inheritance.

Definition at line 102 of file copyOnWriteObject.h.

The documentation for this class was generated from the following files:

- panda/src/putil/copyOnWriteObject.h
- panda/src/putil/copyOnWriteObject.I