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 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 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);
}
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]);
JoinExpressionNode = new JoinExpressionNode(parseInfo, innerSequence, outerKeySelector, innerKeySelector, joinResultSelector);
ResultSelector = resultSelector;
_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 ThenByDescendingExpressionNode(MethodCallExpressionParseInfo parseInfo, LambdaExpression keySelector)
: base(parseInfo)
{
ArgumentUtility.CheckNotNull("keySelector", keySelector);
if (keySelector != null && keySelector.Parameters.Count != 1)
{
throw new ArgumentException("KeySelector must have exactly one parameter.", "keySelector");
}
KeySelector = keySelector;
_cachedSelector = new ResolvedExpressionCache <Expression> (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 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 SelectExpressionNode(MethodCallExpressionParseInfo parseInfo, LambdaExpression selector)
: base(parseInfo)
{
ArgumentUtility.CheckNotNull("selector", selector);
if (selector.Parameters.Count != 1)
{
throw new ArgumentException("Selector must have exactly one parameter.", "selector");
}
Selector = selector;
_cachedSelector = new ResolvedExpressionCache <Expression> (this);
}