Specification

internal

1

A logic AND Specification
密封类
AndSpecification
继承 抽象类
CompositeSpecification
约束
where T : class

2
 描述：Base class for composite specifications
属性：抽象类
名称：CompositeSpecification
继承 ：Specification  描述 Represent a Expression Specification
约束：where TEntity : class

3
描述：Extension methods for add And and Or with parameters rebinder
属性：internal 静态类
名称： ExpressionBuilder

4

描述：
    /// NotEspecification convert a original
    /// specification with NOT logic operator
名称： NotSpecification
属性： internal sealed 
继承： Specification
约束 ：where TEntity : class

5

描述：A Logic OR Specification
名称：OrSpecification
继承：CompositeSpecification
约束：where T : class

6
描述：
 /// Helper for rebinder parameters without use Invoke method in expressions
    /// ( this methods is not supported in all linq query providers,
    /// for example in Linq2Entities is not supported)
名称：ParameterRebinder
继承：ExpressionVisitor
属性：internal sealed

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7
描述：构建一个表达示树
名称：DirectSpecification
继承：Specification
约束： where TEntity : class
属性：public sealed

8

名称：ISpecification
属性： public interface
约束： where TEntity : class
描述：   /// Base contract for Specification pattern, for more information
    /// about this pattern see http://martinfowler.com/apsupp/spec.pdf
    /// or http://en.wikipedia.org/wiki/Specification_pattern.
    /// This is really a variant implementation where we have added Linq and
    /// lambda expression into this pattern.

9:
名称：Specification
继承：ISpecification
约束： where TEntity : class
属性： public abstract
描述： Represent a Expression Specification

10

名称：TrueSpecification
属性： public sealed
继承：Specification
约束： where TEntity : class
描述：返回的表达式树默认为true的规约