internal GroupByExpressionNode(MethodCallExpressionParseInfo parseInfo, LambdaExpression keySelector,
LambdaExpression optionalElementSelector)
: base(parseInfo, null, null)
{
ArgumentUtility.CheckNotNull("keySelector", keySelector);
if (keySelector.Parameters.Count != 1)
{
throw new ArgumentException("KeySelector must have exactly one parameter.", "keySelector");
}
if (optionalElementSelector != null && optionalElementSelector.Parameters.Count != 1)
{
throw new ArgumentException("ElementSelector must have exactly one parameter.",
"optionalElementSelector");
}
KeySelector = keySelector;
OptionalElementSelector = optionalElementSelector;
_cachedKeySelector = new ResolvedExpressionCache <Expression>(this);
if (optionalElementSelector != null)
{
_cachedElementSelector = new ResolvedExpressionCache <Expression>(this);
}
}
public AggregateFromSeedExpressionNode(
MethodCallExpressionParseInfo parseInfo,
Expression seed,
LambdaExpression func,
LambdaExpression optionalResultSelector)
: base(parseInfo, null, null)
{
ArgumentUtility.CheckNotNull("seed", seed);
ArgumentUtility.CheckNotNull("func", func);
if (func.Parameters.Count != 2)
{
throw new ArgumentException("Func must have exactly two parameters.", "func");
}
if (optionalResultSelector != null && optionalResultSelector.Parameters.Count != 1)
{
throw new ArgumentException("Result selector must have exactly one parameter.",
"optionalResultSelector");
}
Seed = seed;
Func = func;
OptionalResultSelector = optionalResultSelector;
_cachedFunc = new ResolvedExpressionCache <LambdaExpression>(this);
}
public JoinExpressionNode(
MethodCallExpressionParseInfo parseInfo,
Expression innerSequence,
LambdaExpression outerKeySelector,
LambdaExpression innerKeySelector,
LambdaExpression resultSelector)
: base(parseInfo)
{
ArgumentUtility.CheckNotNull("innerSequence", innerSequence);
ArgumentUtility.CheckNotNull("outerKeySelector", outerKeySelector);
ArgumentUtility.CheckNotNull("innerKeySelector", innerKeySelector);
ArgumentUtility.CheckNotNull("resultSelector", resultSelector);
if (outerKeySelector.Parameters.Count != 1)
{
throw new ArgumentException("Outer key selector must have exactly one parameter.", "outerKeySelector");
}
if (innerKeySelector.Parameters.Count != 1)
{
throw new ArgumentException("Inner key selector must have exactly one parameter.", "innerKeySelector");
}
if (resultSelector.Parameters.Count != 2)
{
throw new ArgumentException("Result selector must have exactly two parameters.", "resultSelector");
}
InnerSequence = innerSequence;
OuterKeySelector = outerKeySelector;
InnerKeySelector = innerKeySelector;
ResultSelector = resultSelector;
_cachedOuterKeySelector = new ResolvedExpressionCache <Expression>(this);
_cachedInnerKeySelector = new ResolvedExpressionCache <Expression>(this);
_cachedResultSelector = new ResolvedExpressionCache <Expression>(this);
}
public AllExpressionNode(MethodCallExpressionParseInfo parseInfo, LambdaExpression predicate)
: base(parseInfo, null, null)
{
ArgumentUtility.CheckNotNull("predicate", predicate);
Predicate = predicate;
_cachedPredicate = new ResolvedExpressionCache <Expression>(this);
}
public OrderByExpressionNode(MethodCallExpressionParseInfo parseInfo, LambdaExpression keySelector)
: base(parseInfo)
{
ArgumentUtility.CheckNotNull("keySelector", keySelector);
if (keySelector.Parameters.Count != 1)
{
throw new ArgumentException("KeySelector must have exactly one parameter.", "keySelector");
}
KeySelector = keySelector;
_cachedSelector = new ResolvedExpressionCache <Expression>(this);
}
public AggregateExpressionNode(MethodCallExpressionParseInfo parseInfo, LambdaExpression func)
: base(parseInfo, null, null)
{
ArgumentUtility.CheckNotNull("func", func);
if (func.Parameters.Count != 2)
{
throw new ArgumentException("Func must have exactly two parameters.", "func");
}
Func = func;
_cachedFunc = new ResolvedExpressionCache <LambdaExpression>(this);
}
public WhereExpressionNode(MethodCallExpressionParseInfo parseInfo, LambdaExpression predicate)
: base(parseInfo)
{
ArgumentUtility.CheckNotNull("predicate", predicate);
if (predicate.Parameters.Count != 1)
{
throw new ArgumentException("Predicate must have exactly one parameter.", "predicate");
}
Predicate = predicate;
_cachedPredicate = new ResolvedExpressionCache <Expression>(this);
}
public GroupJoinExpressionNode(
MethodCallExpressionParseInfo parseInfo,
Expression innerSequence,
LambdaExpression outerKeySelector,
LambdaExpression innerKeySelector,
LambdaExpression resultSelector)
: base(parseInfo)
{
ArgumentUtility.CheckNotNull("innerSequence", innerSequence);
ArgumentUtility.CheckNotNull("outerKeySelector", outerKeySelector);
ArgumentUtility.CheckNotNull("innerKeySelector", innerKeySelector);
ArgumentUtility.CheckNotNull("resultSelector", resultSelector);
if (outerKeySelector.Parameters.Count != 1)
{
throw new ArgumentException("Outer key selector must have exactly one parameter.", "outerKeySelector");
}
if (innerKeySelector.Parameters.Count != 1)
{
throw new ArgumentException("Inner key selector must have exactly one parameter.", "innerKeySelector");
}
if (resultSelector.Parameters.Count != 2)
{
throw new ArgumentException("Result selector must have exactly two parameters.", "resultSelector");
}
var joinResultSelector = Expression.Lambda(Expression.Constant(null), outerKeySelector.Parameters[0],
innerKeySelector.Parameters[0]);
#pragma warning disable 618
JoinExpressionNode = new JoinExpressionNode(parseInfo, innerSequence, outerKeySelector, innerKeySelector,
joinResultSelector);
#pragma warning restore 618
ParsedExpression = parseInfo.ParsedExpression;
InnerSequence = innerSequence;
OuterKeySelector = outerKeySelector;
InnerKeySelector = innerKeySelector;
ResultSelector = resultSelector;
_cachedResultSelector = new ResolvedExpressionCache <Expression>(this);
}
public SelectManyExpressionNode(
MethodCallExpressionParseInfo parseInfo, LambdaExpression collectionSelector,
LambdaExpression resultSelector)
: base(parseInfo)
{
ArgumentUtility.CheckNotNull("collectionSelector", collectionSelector);
if (collectionSelector.Parameters.Count != 1)
{
throw new ArgumentException("Collection selector must have exactly one parameter.",
"collectionSelector");
}
CollectionSelector = collectionSelector;
if (resultSelector != null)
{
if (resultSelector.Parameters.Count != 2)
{
throw new ArgumentException("Result selector must have exactly two parameters.", "resultSelector");
}
ResultSelector = resultSelector;
}
else
{
var parameter1 = Expression.Parameter(collectionSelector.Parameters[0].Type,
collectionSelector.Parameters[0].Name);
var itemType =
ReflectionUtility.GetItemTypeOfClosedGenericIEnumerable(CollectionSelector.Body.Type,
"collectionSelector");
var parameter2 = Expression.Parameter(itemType, parseInfo.AssociatedIdentifier);
ResultSelector = Expression.Lambda(parameter2, parameter1, parameter2);
}
_cachedCollectionSelector = new ResolvedExpressionCache <Expression>(this);
_cachedResultSelector = new ResolvedExpressionCache <Expression>(this);
}