Class AnyAllPredicate

Namespace

Breeze.Core

Assembly

Breeze.Core.dll

A where clause that quantifies over a collection navigation property - "any order detail costs more than 100", "all of them shipped".

public class AnyAllPredicate : BasePredicate

Inheritance

object

BasePredicate

AnyAllPredicate

Inherited Members

BasePredicate._op

BasePredicate.Operator

BasePredicate.ToLambda(Type)

BasePredicate.PredicatesFromMap(IDictionary<string, object>)

BasePredicate.PredicateFromMap(IDictionary<string, object>)

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

AnyAllPredicate(Operator, object, BasePredicate)

Quantify a predicate over a collection navigation property.

public AnyAllPredicate(Operator op, object exprSource, BasePredicate predicate)

Parameters

op Operator

Either Any or All.

exprSource object

The path to the collection navigation property.

predicate BasePredicate

The predicate each item is tested against.

Properties

ExprSource

The collection navigation property being quantified over, as the client wrote it.

public object ExprSource { get; }

Property Value

object

NavPropBlock

The resolved navigation property. Set by Validate(Type); null before it runs.

public PropBlock? NavPropBlock { get; }

Property Value

PropBlock

Predicate

The predicate applied to each item of the collection.

public BasePredicate Predicate { get; }

Property Value

BasePredicate

Methods

ToExpression(ParameterExpression)

Build a call to Enumerable.Any or Enumerable.All over the navigation property.

public override Expression ToExpression(ParameterExpression paramExpr)

Parameters

paramExpr ParameterExpression

The query's lambda parameter.

Returns

Expression

An expression of type bool.

Validate(Type)

Resolve the navigation property and validate the inner predicate against the collection's item type.

public override void Validate(Type entityType)

Parameters

entityType Type

The type the query returns.

Exceptions

Exception

The path is not a property, or names something other than a collection navigation property.