org.python.modules.jffi

Class CData

java.lang.Object

org.python.core.PyObject

org.python.modules.jffi.CData

All Implemented Interfaces:

java.io.Serializable, Traverseproc

Direct Known Subclasses:

AbstractMemoryCData, ArrayCData, ScalarCData, Structure

public abstract class CData
extends PyObject
implements Traverseproc

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.python.core.PyObject

PyObject.ConversionException

Field Summary

Fields

Modifier and Type	Field and Description
static PyType	TYPE

Fields inherited from class org.python.core.PyObject

attributes, gcMonitorGlobal, objtype

Method Summary

Modifier and Type	Method and Description
PyObject	address()
protected DirectMemory	allocateReferenceMemory()
PyObject	byref(PyObject offset) Wraps up this object in a pointer that can be passed to native code.
protected static DirectMemory	findInDll(PyObject lib, PyObject name)
Memory	getContentMemory()
DirectMemory	getReferenceMemory() Returns the memory used when creating a reference to this instance.
protected abstract void	initReferenceMemory(Memory m)
PyObject	pointer(PyObject pytype)
boolean	refersDirectlyTo(PyObject ob) Optional operation.
int	traverse(Visitproc visit, java.lang.Object arg) Traverses all directly contained PyObjects.

Methods inherited from class org.python.core.PyObject

__abs__, __add__, __and__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __call__, __cmp__, __coerce__, __coerce_ex__, __complex__, __contains__, __delattr__, __delattr__, __delete__, __delitem__, __delitem__, __delslice__, __delslice__, __dir__, __div__, __divmod__, __ensure_finalizer__, __eq__, __findattr__, __findattr__, __findattr_ex__, __finditem__, __finditem__, __finditem__, __float__, __floordiv__, __format__, __ge__, __get__, __getattr__, __getattr__, __getitem__, __getitem__, __getnewargs__, __getslice__, __getslice__, __gt__, __hash__, __hex__, __iadd__, __iand__, __idiv__, __idivmod__, __ifloordiv__, __ilshift__, __imod__, __imul__, __index__, __int__, __invert__, __ior__, __ipow__, __irshift__, __isub__, __iter__, __iternext__, __itruediv__, __ixor__, __le__, __len__, __long__, __lshift__, __lt__, __mod__, __mul__, __ne__, __neg__, __nonzero__, __not__, __oct__, __or__, __pos__, __pow__, __pow__, __radd__, __rand__, __rawdir__, __rdiv__, __rdivmod__, __reduce__, __reduce_ex__, __reduce_ex__, __repr__, __rfloordiv__, __rlshift__, __rmod__, __rmul__, __ror__, __rpow__, __rrshift__, __rshift__, __rsub__, __rtruediv__, __rxor__, __set__, __setattr__, __setattr__, __setitem__, __setitem__, __setitem__, __setslice__, __setslice__, __str__, __sub__, __tojava__, __truediv__, __trunc__, __unicode__, __xor__, _add, _and, _callextra, _cmp, _div, _divmod, _doget, _doget, _doset, _eq, _floordiv, _ge, _gt, _iadd, _iand, _idiv, _idivmod, _ifloordiv, _ilshift, _imod, _imul, _in, _ior, _ipow, _irshift, _is, _isnot, _isub, _itruediv, _ixor, _jcall, _jcallexc, _jthrow, _le, _lshift, _lt, _mod, _mul, _ne, _notin, _or, _pow, _rshift, _sub, _truediv, _unsupportedop, _xor, adaptToCoerceTuple, asDouble, asIndex, asIndex, asInt, asInt, asIterable, asLong, asLong, asName, asName, asString, asString, asStringOrNull, asStringOrNull, bit_length, conjugate, delDict, delType, dispatch__init__, equals, fastGetClass, fastGetDict, finalize, getDict, getJavaProxy, getType, hashCode, impAttr, implementsDescrDelete, implementsDescrGet, implementsDescrSet, invoke, invoke, invoke, invoke, invoke, invoke, isCallable, isDataDescr, isIndex, isInteger, isMappingType, isNumberType, isSequenceType, mergeClassDict, mergeDictAttr, mergeListAttr, noAttributeError, object___subclasshook__, readonlyAttributeError, runsupportedopMessage, setDict, setType, toString, unsupportedopMessage

Methods inherited from class java.lang.Object

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

Field Detail

TYPE

public static final PyType TYPE

Method Detail

byref

public PyObject byref(PyObject offset)

Wraps up this object in a pointer that can be passed to native code. The byref() return value cannot be used as anything other than a parameter.

Returns:

A ByReference instance pointing to this object's native memory.

pointer

public PyObject pointer(PyObject pytype)

address

public PyObject address()

getReferenceMemory

public final DirectMemory getReferenceMemory()

Returns the memory used when creating a reference to this instance. e.g. via byref(obj)

Returns:

The reference memory for this object

allocateReferenceMemory

protected DirectMemory allocateReferenceMemory()

getContentMemory

public Memory getContentMemory()

initReferenceMemory

protected abstract void initReferenceMemory(Memory m)

findInDll

protected static final DirectMemory findInDll(PyObject lib,
                                              PyObject name)

traverse

public int traverse(Visitproc visit,
                    java.lang.Object arg)

Description copied from interface: Traverseproc

Traverses all directly contained PyObjects. Like in CPython, arg must be passed unmodified to visit as its second parameter. If Visitproc.visit(PyObject, Object) returns nonzero, this return value must be returned immediately by traverse. Visitproc.visit(PyObject, Object) must not be called with a null PyObject-argument.

Specified by:

traverse in interface Traverseproc

refersDirectlyTo

public boolean refersDirectlyTo(PyObject ob)

Description copied from interface: Traverseproc

Optional operation. Should only be implemented if it is more efficient than calling Traverseproc.traverse(Visitproc, Object) with a visitproc that just watches out for ob. Must return false if ob is null.

Specified by:

refersDirectlyTo in interface Traverseproc