public JoinClauseVisitor(JoinClause joinClause, int index)
{
Index = index;
JoinExpressionTreeVisitor from = new JoinExpressionTreeVisitor(joinClause.InnerKeySelector);
HandleFrom(from);
JoinExpressionTreeVisitor to = new JoinExpressionTreeVisitor(joinClause.OuterKeySelector);
HandleTo(to);
}
private void HandleTo(JoinExpressionTreeVisitor to)
{
ModelMetadataRepository modelMetadataRepository = new ModelMetadataRepository();
EntityModelType entityModelType = null;
if (to.MemberContainingType != null)
{
entityModelType = modelMetadataRepository.GetModelMetadata(to.MemberContainingType);
}
if (entityModelType == null)
{
ToEntity = to.EntityLogicalName;
ToAttribute = to.MemberName;
}
else
{
ToEntity = entityModelType.EntityLogicalName;
ToAttribute = entityModelType.ParameterToAttributeLogicalName[to.MemberName];
}
}
private void HandleFrom(JoinExpressionTreeVisitor from)
{
ModelMetadataRepository modelMetadataRepository = new ModelMetadataRepository();
EntityModelType entityModelType = null;
if (from.MemberContainingType != null)
{
entityModelType = modelMetadataRepository.GetModelMetadata(from.MemberContainingType);
}
if (entityModelType == null)
{
FromEntity = from.EntityLogicalName;
FromAttribute = from.MemberName;
}
else
{
FromEntity = entityModelType.EntityLogicalName;
FromAttribute = entityModelType.ParameterToAttributeLogicalName[from.MemberName];
}
}