/// <summary>
/// Compara a instancia de dados do link com a instancia de dados do filho.
/// </summary>
/// <param name="link">Instancia dos dados do link.</param>
/// <param name="child">Instancia dos dados do filho.</param>
/// <returns></returns>
public bool Equals(Colosoft.Data.IModel link, Colosoft.Data.IModel child)
{
var childId = this._childKeyGetter(link);
var linkId = this._linkParentForeignKeyGetter(child);
return(childId == linkId);
}
/// <summary>
/// Construtor padrão.
/// </summary>
/// <param name="sourceContext"></param>
/// <param name="childDataModel"></param>
/// <param name="isLazy"></param>
/// <param name="uiContext"></param>
public LinkCreatorArgs(Colosoft.Query.ISourceContext sourceContext, Colosoft.Data.IModel childDataModel, bool isLazy, string uiContext)
{
this.SourceContext = sourceContext;
this.ChildDataModel = childDataModel;
this.IsLazy = isLazy;
this.UIContext = uiContext;
}
/// <summary>
/// Cria a consulta para recuperar os itens filhos.
/// </summary>
/// <param name="parentUid">Identificador da entidade pai.</param>
/// <param name="parentDataModel">Instancia com os dados do pai.</param>
/// <param name="sourceContext">Contexto de origem.</param>
/// <returns></returns>
public EntityInfoQuery[] CreateQueries(int parentUid, Colosoft.Data.IModel parentDataModel, Colosoft.Query.ISourceContext sourceContext)
{
var result = new EntityInfoQuery[_dynamicChild.Entries.Count];
var startDate = ServerData.GetDateTimeOffSet();
if (parentDataModel is Colosoft.Data.ITraceableModel)
{
startDate = ((Colosoft.Data.ITraceableModel)parentDataModel).CreatedDate;
}
for (var i = 0; i < result.Length; i++)
{
var entry = _dynamicChild.Entries[i];
result[i] = entry.CreateQuery(parentUid, _parentLoader, parentDataModel, sourceContext);
}
return(result);
}
/// <summary>
/// Cria a consulta para recuperar os itens filhos.
/// </summary>
/// <param name="parentDataModel">Instancia com os dados do pai.</param>
/// <param name="sourceContext">Contexto de origem.</param>
/// <returns></returns>
internal EntityInfoQuery[] CreateQueries(Colosoft.Data.IModel parentDataModel, Colosoft.Query.ISourceContext sourceContext)
{
var query = sourceContext.CreateQuery().From(new Query.EntityInfo(DataModelType.FullName));
string conditionalExpression = null;
var conditional = GetConditional();
if (conditional != null)
{
conditionalExpression = conditional.Expression;
foreach (var i in conditional.Parameters)
{
object value = i.Value;
if (value is Colosoft.Query.ReferenceParameter)
{
var referenceParameter = (Colosoft.Query.ReferenceParameter)i.Value;
var prop = parentDataModel.GetType().GetProperty(referenceParameter.ColumnName);
if (prop != null)
{
try
{
value = prop.GetValue(parentDataModel, null);
}
catch (System.Reflection.TargetInvocationException ex)
{
throw ex.InnerException;
}
}
else
{
throw new InvalidOperationException(ResourceMessageFormatter.Create(() => Properties.Resources.EntityLoaderReference_ParentPropertyNotFound, referenceParameter.ColumnName, parentDataModel.GetType().Name).Format());
}
}
query.Add(i.Name, value);
}
}
return(new EntityInfoQuery[] {
new EntityInfoQuery(DataModelType, EntityType, query.Where(conditionalExpression))
});
}
/// <summary>
/// Cria a consulta para recuperar os itens filhos.
/// </summary>
/// <param name="parentUid">Identificador da entidade pai.</param>
/// <param name="parentDataModel">Instancia com os dados do pai.</param>
/// <param name="sourceContext">Contexto de origem.</param>
/// <returns></returns>
public EntityInfoQuery[] CreateQueries(int parentUid, Colosoft.Data.IModel parentDataModel, Colosoft.Query.ISourceContext sourceContext)
{
var query = sourceContext.CreateQuery().From(new Query.EntityInfo(DataModelType.FullName));
string conditionalExpression = null;
if (_parentLoader.HasUid)
{
query.Add("?parentUid", parentUid);
conditionalExpression = string.Format("{0} == ?parentUid", _foreignPropertyName);
}
if (Conditional != null)
{
var conditional = this.Conditional();
if (conditional != null)
{
if (!string.IsNullOrEmpty(conditionalExpression))
{
conditionalExpression = string.Format("{0} && ({1})", conditionalExpression, conditional.Expression);
}
else
{
conditionalExpression = conditional.Expression;
}
foreach (var i in conditional.Parameters)
{
query.Add(i.Name, i.Value);
}
}
}
if (string.IsNullOrEmpty(conditionalExpression))
{
throw new InvalidOperationException(string.Format("Not support child '{0}', because not found conditional expression.", Name));
}
return(new EntityInfoQuery[] {
new EntityInfoQuery(DataModelType, EntityType, query.Where(conditionalExpression))
});
}
/// <summary>
/// Cria a consulta para recuperar os itens filhos.
/// </summary>
/// <param name="parentUid">Identificador da entidade pai.</param>
/// <param name="parentLoader">Loader do pai.</param>
/// <param name="parentDataModel">Instancia com os dados do pai.</param>
/// <param name="sourceContext">Contexto de origem.</param>
/// <returns></returns>
internal EntityInfoQuery CreateQuery(int parentUid, IEntityLoader parentLoader, Colosoft.Data.IModel parentDataModel, Colosoft.Query.ISourceContext sourceContext)
{
var query = sourceContext.CreateQuery().From(new Query.EntityInfo(DataModelType.FullName));
if (ExecutePredicate != null)
{
query.ExecutePredicate = (Colosoft.Query.QueryExecutePredicate)ExecutePredicate.Clone();
}
string conditionalExpression = null;
if (parentLoader.HasUid)
{
query.Add("?parentUid", parentUid);
conditionalExpression = string.Format("{0} == ?parentUid", _foreignPropertyName);
}
if (Conditional != null)
{
if (parentLoader.HasUid)
{
conditionalExpression = string.Format("{0} && ({1})", conditionalExpression, this.Conditional.Expression);
}
else
{
conditionalExpression = this.Conditional.Expression;
}
foreach (var i in this.Conditional.Parameters)
{
if (i.Value is Query.ReferenceParameter)
{
var reference = (Query.ReferenceParameter)i.Value;
var property = parentDataModel.GetType().GetProperty(reference.ColumnName, System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
if (property == null)
{
throw new Exception(string.Format("Property {0} not found in type {1}", reference.ColumnName, parentDataModel.GetType().FullName));
}
try
{
var value = property.GetValue(parentDataModel, null);
query.Add(i.Name, value);
}
catch (System.Reflection.TargetInvocationException ex)
{
throw ex.InnerException;
}
}
else
{
query.Add(i.Name, i.Value);
}
}
}
query.Where(conditionalExpression);
return(new EntityInfoQuery(DataModelType, EntityType, query));
}
/// <summary>
/// Recupera o identificador do filho que está no modelo de dados do link.
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public int GetChildKeyNullable(Colosoft.Data.IModel model)
{
return(GetChildPropertyNullableCompiled()((TLinkDataModel)model).GetValueOrDefault());
}
/// <summary>
/// Recupera o identificador do filho que está no modelo de dados do link.
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
public int GetChildKey(Colosoft.Data.IModel model)
{
return(GetChildPropertyCompiled()((TLinkDataModel)model));
}
/// <summary>
/// Recupera o método que recupera o identificador da chave estrangeira do modelo de dados informado.
/// </summary>
/// <returns></returns>
public int GetLinkParentForeignKeyNullable(Colosoft.Data.IModel model)
{
return(GetForeignPropertyNullableCompiled()((TLinkParentDataModel)model).GetValueOrDefault());
}
/// <summary>
/// Recupera o método que recupera o identificador da chave estrangeira do modelo de dados informado.
/// </summary>
/// <returns></returns>
public int GetLinkParentForeignKey(Colosoft.Data.IModel model)
{
return(GetForeignPropertyCompiled()((TLinkParentDataModel)model));
}
/// <summary> /// Cria uma nova instancia da entidade associada. /// </summary> /// <param name="uiContext">Contexto de interface com o usuário.</param> /// <param name="entityTypeManager">Gerenciador do tipo da entidade.</param> /// <param name="dataModel">Modelo de dados que será usado com base.</param> /// <param name="sourceContext">Contexto de origem dos dados.</param> /// <returns></returns> public abstract IEntity Create(string uiContext, IEntityTypeManager entityTypeManager, Colosoft.Data.IModel dataModel, Colosoft.Query.ISourceContext sourceContext);
/// <summary> /// Recupera o identificador unico associadom com a instancia do modelo informado. /// </summary> /// <param name="model"></param> /// <returns></returns> public abstract int GetInstanceUid(Colosoft.Data.IModel model);
