/* ReadCondition
* create_readcondition(
* in SampleStateMask sample_states,
* in ViewStateMask view_states,
* in InstanceStateMask instance_states);
*/
gapi_readCondition
gapi_dataReaderView_create_readcondition (
gapi_dataReaderView _this,
const gapi_sampleStateMask sample_states,
const gapi_viewStateMask view_states,
const gapi_instanceStateMask instance_states)
{
_DataReaderView datareaderview;
_ReadCondition readCondition = NULL;
datareaderview = gapi_dataReaderViewClaim(_this, NULL);
if ( datareaderview && _EntityEnabled(datareaderview) &&
gapi_stateMasksValid(sample_states, view_states, instance_states) ) {
_DataReader datareader;
datareader = _DataReaderViewDataReader(datareaderview);
readCondition = _ReadConditionNew ( sample_states,
view_states,
instance_states,
datareader,
datareaderview);
_EntityRelease(datareader);
if ( readCondition != NULL ) {
gapi_deleteEntityAction deleteAction;
void *actionArg;
if ( _ObjectGetDeleteAction(_Object(readCondition),
&deleteAction, &actionArg) ) {
_ObjectSetDeleteAction(_Object(readCondition),
deleteAction,
actionArg);
}
_ENTITY_REGISTER_OBJECT(_Entity(datareaderview),
(_Object)readCondition);
}
}
_EntityRelease(datareaderview);
return (gapi_readCondition)_EntityRelease(readCondition);
}
/* QueryCondition
* create_querycondition(
* in SampleStateMask sample_states,
* in ViewStateMask view_states,
* in InstanceStateMask instance_states,
* in string query_expression,
* in StringSeq query_parameters);
*/
gapi_queryCondition
gapi_dataReaderView_create_querycondition (
gapi_dataReaderView _this,
const gapi_sampleStateMask sample_states,
const gapi_viewStateMask view_states,
const gapi_instanceStateMask instance_states,
const gapi_char *query_expression,
const gapi_stringSeq *query_parameters)
{
_DataReaderView datareaderview;
_QueryCondition queryCondition = NULL;
datareaderview = gapi_dataReaderViewClaim(_this, NULL);
if ( datareaderview && _EntityEnabled(datareaderview) &&
query_expression && gapi_sequence_is_valid(query_parameters) &&
gapi_stateMasksValid(sample_states, view_states, instance_states) ) {
_DataReader datareader;
datareader = _DataReaderViewDataReader(datareaderview);
queryCondition = _QueryConditionNew(sample_states,
view_states,
instance_states,
query_expression,
query_parameters,
datareader,
datareaderview);
_EntityRelease(datareader);
if ( queryCondition != NULL ) {
_ENTITY_REGISTER_OBJECT(_Entity(datareaderview),
(_Object)queryCondition);
}
}
_EntityRelease(datareaderview);
return (gapi_queryCondition)_EntityRelease(queryCondition);
}
gapi_queryCondition
gapi_dataReader_create_querycondition (
gapi_dataReader _this,
const gapi_sampleStateMask sample_states,
const gapi_viewStateMask view_states,
const gapi_instanceStateMask instance_states,
const gapi_char *query_expression,
const gapi_stringSeq *query_parameters)
{
_DataReader datareader;
gapi_boolean licensed;
_QueryCondition queryCondition = NULL;
licensed = _DomainParticipantFactoryIsContentSubscriptionAvailable();
if(licensed == TRUE){
datareader = gapi_dataReaderClaim(_this, NULL);
if ( datareader && _EntityEnabled(datareader) &&
query_expression && gapi_sequence_is_valid(query_parameters) &&
gapi_stateMasksValid(sample_states, view_states, instance_states) ) {
queryCondition = _QueryConditionNew(sample_states,
view_states,
instance_states,
query_expression,
query_parameters,
datareader, NULL);
if ( queryCondition != NULL ) {
_ENTITY_REGISTER_OBJECT(_Entity(datareader),
(_Object)queryCondition);
}
}
_EntityRelease(datareader);
}
return (gapi_queryCondition)_EntityRelease(queryCondition);
}
gapi_returnCode_t
gapi_fooDataReaderView_take_next_instance (
gapi_fooDataReaderView _this,
void *data_values,
void *info_data,
const gapi_long max_samples,
const gapi_instanceHandle_t a_handle,
const gapi_sampleStateMask sample_states,
const gapi_viewStateMask view_states,
const gapi_instanceStateMask instance_states)
{
_DataReaderView datareaderview;
gapi_returnCode_t result = GAPI_RETCODE_OK;
gapi_readerInfo readerInfo;
u_reader reader;
v_readerSampleSeq samples;
v_readerSample buffer[V_DATAREADERSAMPLESEQ_INITIAL];
readerViewActionArg arg;
u_result uResult;
assert(data_values);
assert(info_data);
assert(max_samples >= -1 );
datareaderview = gapi_dataReaderViewClaim(_this, &result);
if (datareaderview == NULL ) {
return result;
} else if (!gapi_stateMasksValid(sample_states, view_states, instance_states)) {
result = GAPI_RETCODE_BAD_PARAMETER;
} else if (statemasks_unsupported(sample_states,view_states,instance_states)) {
result = GAPI_RETCODE_UNSUPPORTED;
} else if (max_samples == 0) {
result = GAPI_RETCODE_NO_DATA;
} else {
reader = u_reader(U_DATAREADERVIEW_GET(datareaderview));
datareaderview->reader_mask.sampleStateMask = sample_states;
datareaderview->reader_mask.viewStateMask = view_states;
datareaderview->reader_mask.instanceStateMask = instance_states;
readerInfo.max_samples = (gapi_unsigned_long)max_samples;
readerInfo.num_samples = 0U;
readerInfo.data_buffer = data_values;
readerInfo.info_buffer = info_data;
readerInfo.alloc_size = datareaderview->datareader->allocSize;
readerInfo.alloc_buffer = datareaderview->datareader->allocBuffer;
readerInfo.copy_out = datareaderview->datareader->copy_out;
readerInfo.copy_cache = datareaderview->datareader->copy_cache;
readerInfo.loan_registry = (void**)&datareaderview->loanRegistry;
samples._length = 0;
samples._maximum = V_DATAREADERSAMPLESEQ_INITIAL;
samples._buffer = buffer;
samples._release = FALSE;
arg.samples = &samples;
arg.max = (gapi_unsigned_long)max_samples;
arg.datareaderview = datareaderview;
arg.readerInfo = &readerInfo;
arg.readerCopy = datareaderview->datareader->readerCopy;
arg.result = GAPI_RETCODE_OK;
uResult = u_readerTakeNextInstance(reader,a_handle,readerActionView,(c_voidp)&arg);
result = kernelResultToApiResult(uResult);
if ( result == GAPI_RETCODE_OK ) {
result = arg.result;
}
v_readerSampleSeq_freebuf(&samples);
}
_EntityRelease(datareaderview);
return result;
}
