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C# IAssociationType.GetJoinable方法代码示例

本文整理汇总了C#中IAssociationType.GetJoinable方法的典型用法代码示例。如果您正苦于以下问题:C# IAssociationType.GetJoinable方法的具体用法?C# IAssociationType.GetJoinable怎么用?C# IAssociationType.GetJoinable使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在IAssociationType的用法示例。


在下文中一共展示了IAssociationType.GetJoinable方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: WalkAssociationTree

		/// <summary>
		///  Add on association (one-to-one or many-to-one) to a list of associations be fetched by outerjoin (if necessary)
		/// </summary>
		/// <param name="type"></param>
		/// <param name="aliasedForeignKeyColumns"></param>
		/// <param name="persister"></param>
		/// <param name="alias"></param>
		/// <param name="associations"></param>
		/// <param name="visitedPersisters"></param>
		/// <param name="path"></param>
		/// <param name="currentDepth"></param>
		/// <param name="joinType"></param>
		/// <param name="factory"></param>
		private void WalkAssociationTree(
			IAssociationType type,
			string[ ] aliasedForeignKeyColumns,
			IJoinable persister,
			string alias,
			IList associations,
			ISet visitedPersisters,
			string path,
			int currentDepth,
			JoinType joinType,
			ISessionFactoryImplementor factory )
		{
			IJoinable joinable = type.GetJoinable( factory );

			int maxFetchDepth = factory.MaximumFetchDepth;

			bool enabled = ( joinType == JoinType.InnerJoin ) || (
				( maxFetchDepth <= 0 || currentDepth < maxFetchDepth ) &&
				!visitedPersisters.Contains( joinable ) &&
				( !joinable.IsCollection || !ContainsCollectionPersister( associations ) )
				);

			if ( enabled )
			{
				visitedPersisters.Add( persister );
				OuterJoinableAssociation assoc = new OuterJoinableAssociation();
				associations.Add( assoc );

				// After adding to collection!!
				string subalias = GenerateTableAlias(
					joinable.Name,
					associations.Count,
					path,
					joinable.IsManyToMany );

				assoc.Joinable = joinable;
				assoc.TableName = joinable.TableName;
				assoc.PrimaryKeyColumns = type.GetReferencedColumns( factory );
				assoc.ForeignKeyColumns = aliasedForeignKeyColumns;
				assoc.Subalias = subalias;
				assoc.Owner = GetPosition( alias, associations );
				assoc.IsOneToOne = type.IsEntityType &&
					( (EntityType) type ).IsOneToOne &&
					!( (EntityType) type ).IsUniqueKeyReference;
				assoc.JoinType = joinType;

				if ( assoc.ForeignKeyColumns.Length != assoc.PrimaryKeyColumns.Length ||
					assoc.ForeignKeyColumns.Length == 0 )
				{
					throw new MappingException( string.Format( "Invalid join columns for association: {0}", path ) );
				}

				int nextDepth = currentDepth + 1;
				if ( !joinable.IsCollection )
				{
					if ( joinable is IOuterJoinLoadable )
					{
						WalkClassTree( (IOuterJoinLoadable) joinable, subalias, associations, visitedPersisters, path, nextDepth, factory );
					}
				}
				else
				{
					if ( joinable is IQueryableCollection )
					{
						WalkCollectionTree( (IQueryableCollection) joinable, subalias, associations, visitedPersisters, path, nextDepth, factory ) ;
					}
				}
			}
		}
开发者ID:rcarrillopadron,项目名称:nhibernate-1.0.2.0,代码行数:82,代码来源:OuterJoinLoader.cs


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