// ------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool Xbim.CodeGeneration 
//  
//     Changes to this file may cause incorrect behaviour and will be lost if
//     the code is regenerated.
// </auto-generated>
// ------------------------------------------------------------------------------

using Xbim.Ifc4x3.MeasureResource;
using Xbim.Ifc4x3.Kernel;
using System;
using System.Collections.Generic;
using System.Linq;
using Xbim.Common;
using Xbim.Common.Exceptions;
using Xbim.Ifc4x3.ExternalReferenceResource;
//## Custom using statements
//##


namespace Xbim.Ifc4x3.ExternalReferenceResource
{
	[ExpressType("IfcLibraryReference", 598)]
	// ReSharper disable once PartialTypeWithSinglePart
	public  partial class @IfcLibraryReference : IfcExternalReference, IInstantiableEntity, IfcLibrarySelect, IContainsEntityReferences, IContainsIndexedReferences, IEquatable<@IfcLibraryReference>
	{

		//internal constructor makes sure that objects are not created outside of the model/ assembly controlled area
		internal IfcLibraryReference(IModel model, int label, bool activated) : base(model, label, activated)  
		{
		}

		#region Explicit attribute fields
		private IfcText? _description;
		private IfcLanguageId? _language;
		private IfcLibraryInformation _referencedLibrary;
		#endregion
	
		#region Explicit attribute properties
		[EntityAttribute(4, EntityAttributeState.Optional, EntityAttributeType.None, EntityAttributeType.None, null, null, 5)]
		public IfcText? @Description 
		{ 
			get 
			{
				if(_activated) return _description;
				Activate();
				return _description;
			} 
			set
			{
				SetValue( v =>  _description = v, _description, value,  "Description", 4);
			} 
		}	
		[EntityAttribute(5, EntityAttributeState.Optional, EntityAttributeType.None, EntityAttributeType.None, null, null, 6)]
		public IfcLanguageId? @Language 
		{ 
			get 
			{
				if(_activated) return _language;
				Activate();
				return _language;
			} 
			set
			{
				SetValue( v =>  _language = v, _language, value,  "Language", 5);
			} 
		}	
		[IndexedProperty]
		[EntityAttribute(6, EntityAttributeState.Optional, EntityAttributeType.Class, EntityAttributeType.None, null, null, 7)]
		public IfcLibraryInformation @ReferencedLibrary 
		{ 
			get 
			{
				if(_activated) return _referencedLibrary;
				Activate();
				return _referencedLibrary;
			} 
			set
			{
				if (value != null && !(ReferenceEquals(Model, value.Model)))
					throw new XbimException("Cross model entity assignment.");
				SetValue( v =>  _referencedLibrary = v, _referencedLibrary, value,  "ReferencedLibrary", 6);
			} 
		}	
		#endregion



		#region Inverse attributes
		[InverseProperty("RelatingLibrary")]
		[EntityAttribute(-1, EntityAttributeState.Mandatory, EntityAttributeType.Set, EntityAttributeType.Class, new int [] { 0 }, new int [] { -1 }, 8)]
		public IEnumerable<IfcRelAssociatesLibrary> @LibraryRefForObjects 
		{ 
			get 
			{
				return Model.Instances.Where<IfcRelAssociatesLibrary>(e => Equals(e.RelatingLibrary), "RelatingLibrary", this);
			} 
		}
		#endregion

		#region IPersist implementation
		public override void Parse(int propIndex, IPropertyValue value, int[] nestedIndex)
		{
			switch (propIndex)
			{
				case 0: 
				case 1: 
				case 2: 
					base.Parse(propIndex, value, nestedIndex); 
					return;
				case 3: 
					_description = value.StringVal;
					return;
				case 4: 
					_language = value.StringVal;
					return;
				case 5: 
					_referencedLibrary = (IfcLibraryInformation)(value.EntityVal);
					return;
				default:
					throw new XbimParserException(string.Format("Attribute index {0} is out of range for {1}", propIndex + 1, GetType().Name.ToUpper()));
			}
		}
		#endregion

		#region Equality comparers and operators
        public bool Equals(@IfcLibraryReference other)
	    {
	        return this == other;
	    }
        #endregion

		#region IContainsEntityReferences
		IEnumerable<IPersistEntity> IContainsEntityReferences.References 
		{
			get 
			{
				if (@ReferencedLibrary != null)
					yield return @ReferencedLibrary;
			}
		}
		#endregion


		#region IContainsIndexedReferences
        IEnumerable<IPersistEntity> IContainsIndexedReferences.IndexedReferences 
		{ 
			get
			{
				if (@ReferencedLibrary != null)
					yield return @ReferencedLibrary;
				
			} 
		}
		#endregion

		#region Custom code (will survive code regeneration)
		//## Custom code
		//##
		#endregion
	}
}