/// <summary>Constructor with subject and variable naming strategy passed.</summary>
/// <param name="variableNamingStrategy">Varialbe naming strategy.</param>
/// <param name="variableNamingConvention">Variable naming convention.</param>
internal Query(IVariableNamingStrategy variableNamingStrategy, IVariableNamingConvention variableNamingConvention)
{
_variableNamingStrategy = variableNamingStrategy;
_variableNamingConvention = variableNamingConvention;
_queryForm = QueryForms.Select;
ObservableCollection <IPrefix> prefixes = new ObservableCollection <IPrefix>();
prefixes.CollectionChanged += OnCollectionChanged;
_prefixes = prefixes;
ObservableCollection <ISelectableQueryComponent> select = new ObservableCollection <ISelectableQueryComponent>();
select.CollectionChanged += OnCollectionChanged;
_select = select;
ObservableCollection <IQueryElement> elements = new ObservableCollection <IQueryElement>();
elements.CollectionChanged += OnCollectionChanged;
_elements = elements;
}
private void BeginQuery(bool isSubQuery, QueryForms queryForm, IList <ISelectableQueryComponent> select, Func <string, string> createVariableName, StrongEntityAccessor mainEntityAccessor)
{
if ((_commandText.Length > 0) && (_commandText[_commandText.Length - 1] != '\n'))
{
_commandText.AppendLine();
}
if (isSubQuery)
{
Indentation += "\t";
}
_commandText.Append(Indentation);
_commandText.AppendFormat("{0} ", queryForm.ToString().ToUpper());
if (queryForm == QueryForms.Select)
{
if (select.Count > 0)
{
Action <StrongEntityAccessor> temp = _currentStrongEntityAccessorVisitDelegate;
foreach (ISelectableQueryComponent expression in select)
{
ProcessSelectable(isSubQuery, expression, createVariableName, mainEntityAccessor);
}
_currentStrongEntityAccessorVisitDelegate = temp;
}
else
{
_commandText.Append("* ");
}
}
_commandText.AppendLine();
if (queryForm != QueryForms.Ask)
{
_commandText.Append(Indentation);
_commandText.Append("WHERE ");
}
_commandText.Append("{ ");
_commandText.AppendLine();
Indentation += "\t";
}
/// <summary>Constrctor with subject passed.</summary>
/// <param name="subject">Subject of this query.</param>
internal Query(Identifier subject)
: base()
{
_queryForm = QueryForms.Select;
ObservableCollection<Prefix> prefixes = new ObservableCollection<Prefix>();
prefixes.CollectionChanged += OnCollectionChanged;
_prefixes = prefixes;
ObservableCollection<ISelectableQueryComponent> select = new ObservableCollection<ISelectableQueryComponent>();
select.CollectionChanged += OnCollectionChanged;
_select = select;
ObservableCollection<QueryElement> elements = new ObservableCollection<QueryElement>();
elements.CollectionChanged += OnCollectionChanged;
_elements = elements;
_variableNamingStrategy = new UniqueVariableNamingStrategy(this);
_variableNamingConvention = new CamelCaseVariableNamingConvention();
if ((_subject = subject) != null)
{
_subject.OwnerQuery = this;
}
}
private void BeginQuery(bool isSubQuery, QueryForms queryForm, IList<ISelectableQueryComponent> select, Func<string, string> createVariableName)
{
_commandText.AppendFormat("{0} ", queryForm.ToString().ToUpper());
if (queryForm == QueryForms.Select)
{
if (select.Count > 0)
{
foreach (ISelectableQueryComponent expression in select)
{
ProcessSelectable(isSubQuery, expression, createVariableName);
}
}
else
{
_commandText.Append("* ");
}
}
if (queryForm != QueryForms.Ask)
{
_commandText.Append("WHERE ");
}
_commandText.Append("{ ");
}
