MgFeatureSchemaCollection* MgFeatureServiceCacheEntry::GetSchemas(CREFSTRING schemaName, MgStringCollection* classNames, bool serialized)
{
STRING schemaKey, classKey;
INT32 classCount = FormatKeys(m_classNameHintUsed, schemaName, classNames, schemaKey, classKey);
Ptr<MgFeatureSchemaCollection> data;
Ptr<MgFeatureSchemaCacheItem> item = GetFeatureSchemaCacheItem(schemaKey);
// Get the data from the current item.
if (NULL != item.p)
{
data = item->GetSchemas(classKey, serialized);
}
// If the data is not found, then try to find it in the superset data from the current item or superset one.
if (NULL == data.p)
{
if (0 == classCount)
{
ACE_ASSERT(classKey.empty());
// If there is no class, then try to find the data in the superset data from the superset item.
data = FindSchema(schemaKey, classKey, serialized, classCount);
}
else if (1 == classCount)
{
Ptr<MgFeatureSchemaCollection> supersetData;
// Get the superset data from the current item.
if (NULL != item.p && !classKey.empty())
{
supersetData = item->GetSchemas(L"", serialized);
}
// If the data is not found, then try to find it in the superset data from the superset item.
if (NULL == supersetData.p)
{
data = FindSchema(schemaKey, classKey, serialized, classCount);
}
// Otherwise, determine if the superset data from the current item is reusable.
else if (FindClass(supersetData.p, classKey))
{
data = supersetData;
}
}
// Update the cache with the found data.
if (NULL != data.p)
{
SetSchemas(schemaKey, classNames, serialized, data.p);
}
}
return data.Detach();
}
void CSchemaCombo::Load(LPCTSTR pszSelectURI, int nType, int nAvailability, BOOL bReset)
{
if ( ( GetStyle() & CBS_OWNERDRAWVARIABLE ) == 0 )
{
ModifyStyle( 0, CBS_OWNERDRAWVARIABLE|CBS_HASSTRINGS );
}
SetExtendedUI();
m_nType = nType;
m_nAvailability = nAvailability;
if ( bReset ) ResetContent();
if ( bReset && m_sNoSchemaText.GetLength() )
{
SetItemData( AddString( _T(" ") ), 0 );
SetCurSel( 0 );
}
for ( POSITION pos = SchemaCache.GetIterator() ; pos ; )
{
CSchemaPtr pSchema = SchemaCache.GetNext( pos );
BOOL bSelected = pSchema->CheckURI( pszSelectURI );
if ( ! bReset )
{
int nIndex = FindSchema( pSchema );
if ( nIndex >= 0 )
{
if ( bSelected ) SetCurSel( nIndex );
continue;
}
}
if ( ( bSelected || pSchema->m_nType == nType || nType == -1 ) &&
( bSelected || pSchema->m_nAvailability <= nAvailability ) )
{
int nIndex = AddString( pSchema->m_sTitle );
SetItemData( nIndex, (LPARAM)pSchema );
if ( bSelected ) SetCurSel( nIndex );
}
}
if ( bReset && nAvailability < CSchema::saMax )
{
SetItemData( AddString( _T("ZZZ") ), 0 );
}
}
///////////////////////////////////////////////////////////////////////////////
/// \brief
/// Find a schema in a superset data.
///
MgFeatureSchemaCollection* MgFeatureServiceCacheEntry::FindSchema(CREFSTRING schemaKey, CREFSTRING classKey, bool serialized, INT32 classCount)
{
Ptr<MgFeatureSchemaCollection> data;
// If the schema key is specified, then try to find the data in the superset data from the superset item.
if (!schemaKey.empty())
{
// Get the superset item.
Ptr<MgFeatureSchemaCacheItem> supersetItem = GetFeatureSchemaCacheItem(L"");
if (NULL != supersetItem.p)
{
// Get the superset data from the the superset item.
Ptr<MgFeatureSchemaCollection> supersetData = supersetItem->GetSchemas(classKey, serialized);
// Find the data in the superset data.
data = FindSchema(supersetData.p, schemaKey);
// If the data is not found and the class count is 1,
// then try using the unqualified class name instead of.
if (NULL == data.p && 1 == classCount)
{
STRING parsedSchemaName, parsedClassName;
MgUtil::ParseQualifiedClassName(classKey, parsedSchemaName, parsedClassName);
// Determine if the superset data from the superset item is reusable.
if (!parsedSchemaName.empty())
{
supersetData = supersetItem->GetSchemas(parsedClassName, serialized);
if (FindClass(supersetData.p, parsedClassName))
{
data = supersetData;
}
}
}
}
}
return data.Detach();
}
