public void Add(Expression expression)
{
if (expression == null)
throw new ArgumentNullException("expression");
_expressions.Add(expression);
expression.Parent = this;
}
public ReferenceExpression(ReferenceAttribute referrerProperty, Expression expression)
{
if (expression == null)
throw new ArgumentNullException("expression");
_referrerProperty = new PropertyLiteral((NodeAttribute)referrerProperty);
_expression = expression;
//_existenceOnly = false;
}
public ExpressionList(ChainOperator operatorType, Expression exp0, Expression exp1) : this(operatorType)
{
if (exp0 == null)
throw new ArgumentNullException("exp0");
if (exp1 == null)
throw new ArgumentNullException("exp1");
Add(exp0);
Add(exp1);
}
public ReferenceExpression(PropertyType referrerProperty, Expression expression)
{
if (referrerProperty == null)
throw new ArgumentNullException("referrerProperty");
if (referrerProperty.DataType != DataType.Reference)
throw new ArgumentOutOfRangeException("referrerProperty", "The DataType of ''referrerProperty'' must be Reference");
if (expression == null)
throw new ArgumentNullException("expression");
_referrerProperty = new PropertyLiteral(referrerProperty);
_expression = expression;
//_existenceOnly = false;
}
private Query CompileExpressionNode(Expression expression)
{
ExpressionList expList;
NotExpression notExp;
ReferenceExpression refExp;
SearchExpression textExp;
TypeExpression typeExp;
IBinaryExpressionWrapper binExp;
if ((expList = expression as ExpressionList) != null)
return CompileExpressionListNode(expList);
else if ((notExp = expression as NotExpression) != null)
return CompileNotExpressionNode(notExp);
else if ((refExp = expression as ReferenceExpression) != null)
return CompileReferenceExpressionNode(refExp);
else if ((textExp = expression as SearchExpression) != null)
return CompileSearchExpressionNode(textExp);
else if ((typeExp = expression as TypeExpression) != null)
return CompileTypeExpressionNode(typeExp);
else if ((binExp = expression as IBinaryExpressionWrapper) != null)
return CompileBinaryExpressionNode(binExp);
throw new NotImplementedException("Unknown expression type: " + expression.GetType().FullName);
}
//======================================================================================
private Query TreeWalker(Expression exp)
{
return CompileExpressionNode(exp);
}
public ExpressionList(ChainOperator operatorType, Expression expression) : this(operatorType)
{
if (expression == null)
throw new ArgumentNullException("expression");
Add(expression);
}
public NotExpression(Expression expression)
{
if (expression == null)
throw new ArgumentNullException("expression");
_expression = expression;
}
public void AddClause(Expression expression, ChainOperator chainOp)
{
if (expression == null)
throw new ArgumentNullException("expression");
ExpressionList finalExpList;
var origExpList = expression as ExpressionList;
if (origExpList != null)
{
finalExpList = origExpList;
}
else
{
finalExpList = new ExpressionList(chainOp);
finalExpList.Add(expression);
}
this.Text = AddFilterToNodeQuery(Text, finalExpList.ToXml());
}
public void AddClause(Expression expression)
{
AddClause(expression, ChainOperator.And);
}