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C# IEntityCollection.Contains方法代码示例

本文整理汇总了C#中IEntityCollection.Contains方法的典型用法代码示例。如果您正苦于以下问题:C# IEntityCollection.Contains方法的具体用法?C# IEntityCollection.Contains怎么用?C# IEntityCollection.Contains使用的例子?那么恭喜您, 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IEntityCollection的用法示例。


在下文中一共展示了IEntityCollection.Contains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: FromRelationMemberInfo

        /// <summary>
        /// Creates a new instance of the RelationMember class based on the data from RelationInfo object.
        /// </summary>
        /// <param name="info">The RelationMemberInfo object that contains data about member.</param>
        /// <param name="entities">The entities that can be referenced by RelationMember.</param>
        /// <param name="throwOnMissing">bool value indicating whether references to the missing entity should cause exception.</param>
        /// <returns>The RelationMember object created from RelationMemberInfo or null if referenced node is missing.</returns>
        public static RelationMember FromRelationMemberInfo(RelationMemberInfo info, IEntityCollection<IOsmGeometry> entities, bool throwOnMissing)
        {
            if (info.MemberType == EntityType.Unknown) {
                throw new ArgumentException("info.MemberType cannot be EntityType.Unknown");
            }

            if (entities.Contains(info.Reference, info.MemberType) == false) {
                if (throwOnMissing) {
                    throw new ArgumentException(string.Format("Referenced Entity (ID = {0}, type = {1}) not found in entities collection.", info.Reference, info.MemberType), "info.Reference");
                }
                else {
                    return null;
                }
            }

            RelationMember result = new RelationMember(entities[info.Reference, info.MemberType], info.Role) { MemberType = info.MemberType };
            if (result.Member.EntityType != info.MemberType) {
                throw new ArgumentException("Type of the referenced entity doesn't match type of the entity in the collection.");
            }

            return result;
        }
开发者ID:najira,项目名称:spatiallite-net,代码行数:29,代码来源:RelationMember.cs


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