public ViewConfig getViewConfig(DoradoContext context, String viewName) throws Exception {
ViewConfig viewConfig = (ViewConfig) context.getAttribute(viewName);
if (viewConfig == null) {
viewConfig = viewConfigManager.getViewConfig(viewName);
context.setAttribute(viewName, viewConfig);
}
return viewConfig;
}
@SuppressWarnings("unchecked")
private Map<String, String> doUserQuerySchemas() {
DoradoContext context = DoradoContext.getCurrent();
Map<String, String> querySchemas =
(Map<String, String>) context.getAttribute(DoradoContext.SESSION, QUERY_SCHEMAS_KEY);
if (querySchemas == null) {
querySchemas = new LinkedHashMap<String, String>();
querySchemas.putAll(QUERY_SCHEMAS);
context.setAttribute(DoradoContext.SESSION, QUERY_SCHEMAS_KEY, querySchemas);
}
return querySchemas;
}
public DataProvider getDataProvider(String dataProviderId) throws Exception {
DataProvider dataProvider;
// 判断是否View中的私有DataProvider
if (dataProviderId.startsWith(PRIVATE_VIEW_OBJECT_PREFIX)) {
ParsedDataObjectName parsedName = new ParsedDataObjectName(dataProviderId);
ViewConfig viewConfig = getViewConfig(DoradoContext.getCurrent(), parsedName.getViewName());
dataProvider = viewConfig.getDataProvider(parsedName.getDataObject());
} else {
dataProvider = dataProviderManager.getDataProvider(dataProviderId);
}
return dataProvider;
}