public void EvaluateSelect(DataExecutorContext context)
{
var parameter = context.Parameter as DataSelectParameter;
if(parameter == null)
return;
var concept = context.MetadataManager.GetConceptContainer(parameter.ContainerName, parameter.Namespace);
var entity = concept.Entities[parameter.ElementName];
var mapping = context.MetadataManager.GetMapping(parameter.QualifiedName);
}
public IEnumerable<ExecutionPipeline> SelectPipelines(DataExecutorContext context, IEnumerable<ExecutionPipeline> pipelines)
{
if(context == null)
yield break;
if(pipelines == null)
pipelines = context.Executor.Pipelines;
switch(context.Action)
{
case DataAccessAction.Execute:
foreach(var pipeline in pipelines)
{
yield return pipeline;
}
break;
case DataAccessAction.Count:
case DataAccessAction.Select:
foreach(var pipeline in pipelines)
{
var dataHandler = pipeline.Handler as IDataHandler;
if(dataHandler != null && (dataHandler.AccessMode & DataAccessMode.Read) == DataAccessMode.Read)
yield return pipeline;
}
break;
case DataAccessAction.Delete:
case DataAccessAction.Insert:
case DataAccessAction.Update:
foreach(var pipeline in pipelines)
{
var dataHandler = pipeline.Handler as IDataHandler;
if(dataHandler != null && (dataHandler.AccessMode & DataAccessMode.Write) == DataAccessMode.Write)
yield return pipeline;
}
break;
}
yield break;
}
public void Evaluate(DataExecutorContext context)
{
}
public string BuildCore(DataExecutorContext context)
{
var text = new StringBuilder();
var parameter = context.Parameter as DataSelectParameter;
var entries = DataUtility.GetInherits(parameter.QualifiedName, parameter.Scope).ToArray();
var list = new List<DataUtility.DataEntry>(entries);
foreach(var entry in entries)
{
var joins = DataUtility.GetOnetoOne(entry.ConceptEntity, entry.ConceptProperties);
list.AddRange(joins);
}
this.GenerateSelectFromClause(text, list);
return text.ToString();
}
