本文整理匯總了C#中NHibernate.Hql.Ast.HqlTreeBuilder.IsNull方法的典型用法代碼示例。如果您正苦於以下問題：C# HqlTreeBuilder.IsNull方法的具體用法？C# HqlTreeBuilder.IsNull怎麽用？C# HqlTreeBuilder.IsNull使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類NHibernate.Hql.Ast.HqlTreeBuilder的用法示例。
在下文中一共展示了HqlTreeBuilder.IsNull方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: BuildHql
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());
}示例2: BuildHql
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;
}