UserTypeInfo.cs

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// 
//  Copyright 2010-2015 Deveel
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
//

using System;
using System.Collections.Generic;

using Deveel.Data.Sql;

namespace Deveel.Data.Types {
    public class UserTypeInfo : IObjectInfo {
        private readonly Dictionary<string, UserTypeMember> memberNamesCache;
        private List<UserTypeMember> members; 

        public UserTypeInfo(ObjectName typeName) 
            : this(typeName, null) {
        }

        public UserTypeInfo(ObjectName typeName, ObjectName parentType) {
            if (typeName == null)
                throw new ArgumentNullException("typeName");

            TypeName = typeName;
            ParentType = parentType;

            memberNamesCache = new Dictionary<string, UserTypeMember>();
        }

        public ObjectName TypeName { get; private set; }

        public bool IsSealed { get; set; }

        public ObjectName ParentType { get; private set; }

        public UserTypeMember this[int offset] {
            get { return members[offset]; }
        }

        public UserTypeMember FindMember(string name) {
            UserTypeMember member;
            if (!memberNamesCache.TryGetValue(name, out member)) {
                foreach (var typeMember in members) {
                    if (typeMember.MemberName.Equals(name, StringComparison.OrdinalIgnoreCase)) {
                        memberNamesCache[typeMember.MemberName] = typeMember;
                        member = typeMember;
                        break;
                    }
                }
            }

            return member;
        }

        public int IndexOfMember(string name) {
            for (int i = 0; i < members.Count; i++) {
                var typeMember = members[i];
                if (typeMember.MemberName.Equals(name, StringComparison.OrdinalIgnoreCase)) {
                    return i;
                }
            }

            return -1;
        }

        DbObjectType IObjectInfo.ObjectType {
            get { return DbObjectType.Type; }
        }

        ObjectName IObjectInfo.FullName {
            get { return TypeName; }
        }
    }
}