C# (CSharp) NHibernate.Hql.Ast HqlTreeBuilder.IsNull 예제들

IsNull() 공개 메소드

public IsNull ( HqlExpression lhs ) : HqlIsNull
lhs	HqlExpression
리턴	HqlIsNull

예제 #1

파일: CommonConceptsNHibernateConfigurationExtension.cs 프로젝트: kmeze/Rhetos

 public override HqlTreeNode BuildHql(MethodInfo method, Expression targetObject,
     ReadOnlyCollection<Expression> arguments, HqlTreeBuilder treeBuilder, IHqlExpressionVisitor visitor)
 {
     var constantParameter = arguments[1] as ConstantExpression;
     if (constantParameter != null && constantParameter.Value == null)
         return treeBuilder.IsNull(visitor.Visit(arguments[0]).AsExpression());
     else
         return treeBuilder.Equality(
             visitor.Visit(arguments[0]).AsExpression(),
             visitor.Visit(arguments[1]).AsExpression());
 }

예제 #2

파일: IsNullGenerator.cs 프로젝트: hazzik/nh-contrib-everything

 public override HqlTreeNode BuildHql(MethodInfo method, Expression targetObject, ReadOnlyCollection<Expression> arguments, HqlTreeBuilder treeBuilder, IHqlExpressionVisitor visitor)
 {
     var isNull = treeBuilder.IsNull(visitor.Visit(arguments[0]).AsExpression());
     return isNull;
 }