protected internal virtual FieldReader getFieldReader(Type[] returnTypes, IDictionary <string, int> aliasesMap, JRField field)
{
FieldReader reader;
string fieldMapping = getFieldMapping(field);
int? fieldIdx = aliasesMap[fieldMapping];
if (fieldIdx == null)
{
int firstNestedIdx = fieldMapping.IndexOf(PropertyUtils.NESTED_DELIM);
if (firstNestedIdx < 0)
{
throw new JRRuntimeException("Unknown HQL return alias \"" + fieldMapping + "\".");
}
string fieldAlias = fieldMapping.Substring(0, firstNestedIdx);
string fieldProperty = fieldMapping.Substring(firstNestedIdx + 1);
fieldIdx = aliasesMap[fieldAlias];
if (fieldIdx == null)
{
throw new JRRuntimeException("The HQL query does not have a \"" + fieldAlias + "\" alias.");
}
Type type = returnTypes[fieldIdx.Value];
if (!type.EntityType && !type.ComponentType)
{
throw new JRRuntimeException("The HQL query does not have a \"" + fieldAlias + "\" alias.");
}
reader = new IndexPropertyFieldReader(fieldIdx.Value, fieldProperty);
}
else
{
reader = new IndexFieldReader(fieldIdx.Value);
}
return(reader);
}
protected internal virtual FieldReader getFieldReaderSingleReturn(IDictionary <string, int> aliasesMap, JRField field, bool useIndex)
{
FieldReader reader;
string fieldMapping = getFieldMapping(field);
if (aliasesMap.ContainsKey(fieldMapping))
{
if (useIndex)
{
reader = new IndexFieldReader(0);
}
else
{
reader = new IdentityFieldReader();
}
}
else
{
int firstNestedIdx = fieldMapping.IndexOf(PropertyUtils.NESTED_DELIM);
if (firstNestedIdx >= 0 && aliasesMap.ContainsKey(fieldMapping.Substring(0, firstNestedIdx)))
{
fieldMapping = fieldMapping.Substring(firstNestedIdx + 1);
}
if (useIndex)
{
reader = new IndexPropertyFieldReader(0, fieldMapping);
}
else
{
reader = new PropertyFieldReader(fieldMapping);
}
}
return(reader);
}
