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222 lines (192 loc) · 8.55 KB
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//-----------------------------------------------------------------------------
// Copyright 2016, 2017, Oracle and/or its affiliates. All rights reserved.
//
// Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
//
// Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
// Canada. All rights reserved.
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// EnqOptions.c
// Implements the enqueue options objects used in Advanced Queuing.
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// structure used for implementing enqueue options
//-----------------------------------------------------------------------------
typedef struct {
PyObject_HEAD
dpiEnqOptions *handle;
const char *encoding;
} udt_EnqOptions;
//-----------------------------------------------------------------------------
// Declaration of methods used for enqueue options
//-----------------------------------------------------------------------------
static udt_EnqOptions *EnqOptions_New(udt_Connection*);
static void EnqOptions_Free(udt_EnqOptions*);
static PyObject *EnqOptions_GetTransformation(udt_EnqOptions*, void*);
static PyObject *EnqOptions_GetVisibility(udt_EnqOptions*, void*);
static int EnqOptions_SetDeliveryMode(udt_EnqOptions*, PyObject*, void*);
static int EnqOptions_SetTransformation(udt_EnqOptions*, PyObject*, void*);
static int EnqOptions_SetVisibility(udt_EnqOptions*, PyObject*, void*);
//-----------------------------------------------------------------------------
// declaration of calculated members for Python type "EnqOptions"
//-----------------------------------------------------------------------------
static PyGetSetDef g_EnqOptionsCalcMembers[] = {
{ "deliverymode", 0, (setter) EnqOptions_SetDeliveryMode, 0, 0 },
{ "transformation", (getter) EnqOptions_GetTransformation,
(setter) EnqOptions_SetTransformation, 0, 0 },
{ "visibility", (getter) EnqOptions_GetVisibility,
(setter) EnqOptions_SetVisibility, 0, 0 },
{ NULL }
};
//-----------------------------------------------------------------------------
// Python type declarations
//-----------------------------------------------------------------------------
static PyTypeObject g_EnqOptionsType = {
PyVarObject_HEAD_INIT(NULL, 0)
"cx_Oracle.EnqOptions", // tp_name
sizeof(udt_EnqOptions), // tp_basicsize
0, // tp_itemsize
(destructor) EnqOptions_Free, // tp_dealloc
0, // tp_print
0, // tp_getattr
0, // tp_setattr
0, // tp_compare
0, // tp_repr
0, // tp_as_number
0, // tp_as_sequence
0, // tp_as_mapping
0, // tp_hash
0, // tp_call
0, // tp_str
0, // tp_getattro
0, // tp_setattro
0, // tp_as_buffer
Py_TPFLAGS_DEFAULT, // tp_flags
0, // tp_doc
0, // tp_traverse
0, // tp_clear
0, // tp_richcompare
0, // tp_weaklistoffset
0, // tp_iter
0, // tp_iternext
0, // tp_methods
0, // tp_members
g_EnqOptionsCalcMembers, // tp_getset
0, // tp_base
0, // tp_dict
0, // tp_descr_get
0, // tp_descr_set
0, // tp_dictoffset
0, // tp_init
0, // tp_alloc
0, // tp_new
0, // tp_free
0, // tp_is_gc
0 // tp_bases
};
//-----------------------------------------------------------------------------
// EnqOptions_New()
// Create a new enqueue options object.
//-----------------------------------------------------------------------------
static udt_EnqOptions *EnqOptions_New(udt_Connection *connection)
{
udt_EnqOptions *self;
self = (udt_EnqOptions*) g_EnqOptionsType.tp_alloc(&g_EnqOptionsType, 0);
if (!self)
return NULL;
if (dpiConn_newEnqOptions(connection->handle, &self->handle) < 0) {
Py_DECREF(self);
Error_RaiseAndReturnNull();
return NULL;
}
self->encoding = connection->encodingInfo.encoding;
return self;
}
//-----------------------------------------------------------------------------
// EnqOptions_Free()
// Free the memory associated with the enqueue options object.
//-----------------------------------------------------------------------------
static void EnqOptions_Free(udt_EnqOptions *self)
{
if (self->handle) {
dpiEnqOptions_release(self->handle);
self->handle = NULL;
}
Py_TYPE(self)->tp_free((PyObject*) self);
}
//-----------------------------------------------------------------------------
// EnqOptions_GetTransformation()
// Get the value of the transformation option.
//-----------------------------------------------------------------------------
static PyObject *EnqOptions_GetTransformation(udt_EnqOptions *self,
void *unused)
{
uint32_t valueLength;
const char *value;
if (dpiEnqOptions_getTransformation(self->handle, &value,
&valueLength) < 0)
return Error_RaiseAndReturnNull();
if (!value)
Py_RETURN_NONE;
return cxString_FromEncodedString(value, valueLength, self->encoding);
}
//-----------------------------------------------------------------------------
// EnqOptions_GetVisibility()
// Get the value of the visibility option.
//-----------------------------------------------------------------------------
static PyObject *EnqOptions_GetVisibility(udt_EnqOptions *self, void *unused)
{
dpiVisibility value;
if (dpiEnqOptions_getVisibility(self->handle, &value) < 0)
return Error_RaiseAndReturnNull();
return PyInt_FromLong(value);
}
//-----------------------------------------------------------------------------
// EnqOptions_SetDeliveryMode()
// Set the value of the delivery mode option.
//-----------------------------------------------------------------------------
static int EnqOptions_SetDeliveryMode(udt_EnqOptions *self, PyObject *valueObj,
void *unused)
{
dpiMessageDeliveryMode value;
value = PyInt_AsLong(valueObj);
if (PyErr_Occurred())
return -1;
if (dpiEnqOptions_setDeliveryMode(self->handle, value) < 0)
return Error_RaiseAndReturnInt();
return 0;
}
//-----------------------------------------------------------------------------
// EnqOptions_SetTransformation()
// Set the value of the transformation option.
//-----------------------------------------------------------------------------
static int EnqOptions_SetTransformation(udt_EnqOptions *self,
PyObject *valueObj, void *unused)
{
udt_Buffer buffer;
int status;
if (cxBuffer_FromObject(&buffer, valueObj, self->encoding) < 0)
return -1;
status = dpiEnqOptions_setTransformation(self->handle, buffer.ptr,
buffer.size);
cxBuffer_Clear(&buffer);
if (status < 0)
return Error_RaiseAndReturnInt();
return 0;
}
//-----------------------------------------------------------------------------
// EnqOptions_SetVisibility()
// Set the value of the visibility option.
//-----------------------------------------------------------------------------
static int EnqOptions_SetVisibility(udt_EnqOptions *self,
PyObject *valueObj, void *unused)
{
dpiVisibility value;
value = PyInt_AsLong(valueObj);
if (PyErr_Occurred())
return -1;
if (dpiEnqOptions_setVisibility(self->handle, value) < 0)
return Error_RaiseAndReturnInt();
return 0;
}
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