public TableInstance resolveByAlias(String alias) {
resolvedClass = null;
TypeInfo typeInfo = (TypeInfo) aliasToTypeInfo.get(alias);
if (typeInfo != null) {
resolvedClass = typeInfo.getClazz();
return typeInfo.getTableInstance();
}
TableInstance tblInstance = null;
if (superContext != null) {
tblInstance = superContext.resolveByAlias(alias);
resolvedClass = superContext.getResolvedClass();
}
return tblInstance;
}
public TableInstance resolveByBEName(String beName) throws QueryParsingException {
TypeInfo typeInfo = findTypeInfo(beName);
if (typeInfo != null) {
if (typeInfo.isUnconflict()) {
resolvedClass = typeInfo.getClazz();
return typeInfo.getTableInstance();
}
throw new QueryParsingException("{0}is an ambiguous type reference", new Object[] {beName});
}
if (superContext != null) {
TableInstance tableInstance = superContext.resolveByBEName(beName);
resolvedClass = superContext.getResolvedClass();
return tableInstance;
}
throw new QueryParsingException("type {0} not found", new Object[] {beName});
}
public TableInstance resolveByFieldName(String fieldName) throws QueryParsingException {
resolvedClass = null;
String resolvedAlias = null;
for (Iterator it = aliasToTypeInfo.entrySet().iterator(); it.hasNext(); ) {
Map.Entry entry = (Map.Entry) it.next();
String alias = (String) entry.getKey();
TypeInfo typeInfo = (TypeInfo) entry.getValue();
if (typeInfo.getColFieldName() != null) {
continue;
}
}
if (superContext != null) {
TableInstance tblInstance = superContext.resolveByFieldName(fieldName);
resolvedClass = superContext.getResolvedClass();
return tblInstance;
}
throw new QueryParsingException("field {0} not found", new Object[] {fieldName});
}