public linq.Expression <Func <IEvaluationContext, bool> > GetExpression()
{
linq.Expression <Func <IEvaluationContext, bool> > retVal = AllAny.IsAll ? PredicateBuilder.True <IEvaluationContext>() : PredicateBuilder.False <IEvaluationContext>();
foreach (var adaptor in this.Children.OfType <IExpressionAdaptor>())
{
var expression = adaptor.GetExpression();
if (!AllAny.IsAll)
{
retVal = retVal.Or(expression);
}
else
{
retVal = retVal.And(expression);
}
}
return(retVal);
}
public System.Linq.Expressions.Expression <Func <IEvaluationContext, bool> > GetExpression()
{
linq.Expression <Func <IEvaluationContext, bool> > retVal = ((IExpressionAdaptor)this.Children[0]).GetExpression();
foreach (var adaptor in this.Children.OfType <IExpressionAdaptor>())
{
var expression = adaptor.GetExpression();
if (adaptor is PriceListAssignmentExpressionBlock)
{
expression = ((PriceListAssignmentExpressionBlock)adaptor).ConditionBlock.GetExpression();
if (!((PriceListAssignmentExpressionBlock)adaptor).ConditionBlock.AndOr.IsAnd)
{
retVal = retVal.Or(expression);
}
else
{
retVal = retVal.And(expression);
}
}
//else
// retVal = retVal.And(expression);
}
return(retVal);
}
/// <summary>
/// 创建对象关系。
/// </summary>
/// <typeparam name="TSource">关系源类型。</typeparam>
/// <typeparam name="TTarget">关系目标类型。</typeparam>
/// <param name="expressions">成员表达式。</param>
/// <returns>操作实例。</returns>
public IEnumerable <DbMaintenanceOperateBase> CreateRelation <TSource, TTarget>(linq.Expression <Func <TSource, TTarget> > expressions)
{
var property = ((System.Linq.Expressions.LambdaExpression)expressions).GetMember();
return(CreateDropRelation(typeof(TSource), property, EOperateType.CreateRelation));
}
/// <summary>
/// Initializes a new instance of the <see cref="DatabaseElementRepository"/> class.
/// </summary>
/// <param name="repositoryFactory">The repository factory.</param>
/// <param name="cacheRepository">The cache repository.</param>
public CachedDatabaseElementRepository(IRepositoryFactory<IAppConfigRepository> repositoryFactory, IElementRepository cacheRepository, linq.Expression<Func<Localization, bool>> baseFilter)
{
_repositoryFactory = repositoryFactory;
_cacheRepository = cacheRepository;
_baseFilter = baseFilter;
}
public static TResult Find <TScope, TResult>(this ExpressionScope scope, INamespace <TScope> session, linq.Expression <Func <TScope, TResult> > getItem) where TScope : INamespace
{
foreach (var current in scope.Enumerate())
{
if (current.Context.TryGetItem(session, getItem, out var value))
{
return(value);
}
}
return(default);
/// <summary>
/// Initializes a new instance of the <see cref="DatabaseElementRepository"/> class.
/// </summary>
/// <param name="repositoryFactory">The repository factory.</param>
/// <param name="cacheRepository">The cache repository.</param>
public CachedDatabaseElementRepository(IRepositoryFactory <IAppConfigRepository> repositoryFactory, IElementRepository cacheRepository, linq.Expression <Func <Localization, bool> > baseFilter)
{
_repositoryFactory = repositoryFactory;
_cacheRepository = cacheRepository;
_baseFilter = baseFilter;
}