private void InitOther()
{
if (this.otherType == null)
{
Type type = this.isMany ? TypeSystem.GetElementType(this.thisMember.Type) : this.thisMember.Type;
this.otherType = this.thisMember.DeclaringType.Model.GetMetaType(type);
this.otherKey = (this.assocMap.OtherKey != null) ? MetaAssociationImpl.MakeKeys(this.otherType, this.assocMap.OtherKey) : this.otherType.IdentityMembers;
this.otherKeyIsPrimaryKey = MetaAssociationImpl.AreEqual(this.otherKey, this.otherType.IdentityMembers);
foreach (MetaDataMember member in this.otherType.DataMembers)
{
if ((member.IsAssociation && (member != this.thisMember)) && (member.MappedName == this.thisMember.MappedName))
{
this.otherMember = member;
break;
}
}
}
}
private void Init()
{
this.isMany = TypeSystem.IsSequenceType(this.thisMember.Type);
this.thisKey = (this.assocMap.ThisKey != null) ? MetaAssociationImpl.MakeKeys(this.thisMember.DeclaringType, this.assocMap.ThisKey) : this.thisMember.DeclaringType.IdentityMembers;
this.thisKeyIsPrimaryKey = MetaAssociationImpl.AreEqual(this.thisKey, this.thisMember.DeclaringType.IdentityMembers);
this.isForeignKey = this.assocMap.IsForeignKey;
this.isNullable = true;
foreach (MetaDataMember member in this.thisKey)
{
if (member == null)
{
throw Error.UnexpectedNull("MetaDataMember");
}
if (!member.CanBeNull)
{
this.isNullable = false;
break;
}
}
if (this.assocMap.DeleteOnNull && ((!this.isForeignKey || this.isMany) || this.isNullable))
{
throw Error.InvalidDeleteOnNullSpecification(this.thisMember);
}
}