private HashtableSlot GetOrCreateHashtableSlot(MutatorsContext context)
{
var key = context.GetKey();
var slot = (HashtableSlot)hashtable[key];
if (slot == null)
{
lock (lockObject)
{
slot = (HashtableSlot)hashtable[key];
if (slot == null)
{
var root = ModelConfigurationNode.CreateRoot(typeof(TData));
Configure(context, new MutatorsConfigurator <TData>(root));
hashtable[key] = slot = new HashtableSlot
{
Tree = root,
MutatorsTrees = new Hashtable()
};
}
}
}
return(slot);
}
private HashtableSlot GetOrCreateHashtableSlot(MutatorsContext context)
{
var key = context.GetKey();
var slot = (HashtableSlot)hashtable[key];
if (slot == null /* || MutatorsAssignRecorder.IsRecording()*/)
{
lock (lockObject)
{
slot = (HashtableSlot)hashtable[key];
if (slot == null /* || MutatorsAssignRecorder.IsRecording()*/)
{
var tree = ModelConfigurationNode.CreateRoot(typeof(TDest));
ConfigureInternal(context, new ConverterConfigurator <TSource, TDest>(tree));
var validationsTree = ModelConfigurationNode.CreateRoot(typeof(TSource));
tree.ExtractValidationsFromConverters(validationsTree);
var treeConverter = (Expression <Action <TDest, TSource> >)tree.BuildTreeMutator(typeof(TSource));
Action <TDest, TSource> compiledTreeConverter;
var sw = Stopwatch.StartNew();
try
{
compiledTreeConverter = LambdaCompiler.Compile(treeConverter, CompilerOptions.All);
}
finally
{
sw.Stop();
LogConverterCompilation(context, sw);
}
slot = new HashtableSlot
{
ConverterTree = tree,
ValidationsTree = validationsTree,
Converter = source =>
{
var dest = new TDest();
BeforeConvert(source);
compiledTreeConverter(dest, source);
AfterConvert(dest, source);
return(dest);
},
Merger = (source, dest) =>
{
BeforeConvert(source);
compiledTreeConverter(dest, source);
AfterConvert(dest, source);
},
ValidationMutatorsTrees = new Hashtable()
};
//if(!MutatorsAssignRecorder.IsRecording())
hashtable[key] = slot;
}
}
}
return(slot);
}
public Func <TSource, TDest> GetConverter(MutatorsContext context)
{
if (MutatorsAssignRecorder.IsRecording())
{
MutatorsAssignRecorder.RecordConverter(GetType().Name);
}
return(GetOrCreateHashtableSlot(context).Converter);
}
private void LogConverterCompilation(MutatorsContext context, Stopwatch sw)
{
var converterCollectionTypeName = GetType().Name;
var message = new StringBuilder($"{converterCollectionTypeName} was compiled in {sw.ElapsedMilliseconds} ms\n");
message.AppendLine("Context:\n");
var mutatorsContextTypeName = context.GetType().Name;
foreach (var propertyInfo in context.GetType().GetProperties())
{
message.AppendLine($"\t{mutatorsContextTypeName}.{propertyInfo.Name}: {propertyInfo.GetValue(context)}");
}
logger.Info(message.ToString());
}
private void LogConverterCompilation(MutatorsContext context, Stopwatch sw)
{
var logProperties = new Dictionary <string, object>
{
{ "ConverterCollectionName", GetType().Name },
{ "CompilationTimeMilliseconds", sw.ElapsedMilliseconds }
};
var mutatorsContextTypeName = context.GetType().Name;
foreach (var propertyInfo in context.GetType().GetProperties())
{
logProperties.Add($"{mutatorsContextTypeName}.{propertyInfo.Name}", propertyInfo.GetValue(context));
}
logger.Log(new LogEvent(LogLevel.Info, DateTimeOffset.UtcNow, "{ConverterCollectionName} was compiled in {CompilationTimeMilliseconds} ms", logProperties));
}
private HashtableSlot GetOrCreateHashtableSlot(MutatorsContext context)
{
var key = context.GetKey();
var slot = (HashtableSlot)hashtable[key];
if (slot == null)
{
lock (lockObject)
{
slot = (HashtableSlot)hashtable[key];
if (slot == null)
{
var tree = ModelConfigurationNode.CreateRoot(GetType(), typeof(TDest));
ConfigureInternal(context, new ConverterConfigurator <TSource, TDest>(tree));
var validationsTree = ModelConfigurationNode.CreateRoot(GetType(), typeof(TSource));
tree.ExtractValidationsFromConverters(validationsTree);
var lazyCompiledConverter = new Lazy <Action <TDest, TSource> >(() => CompileTree(tree, context), LazyThreadSafetyMode.ExecutionAndPublication);
slot = new HashtableSlot
{
ConverterTree = tree,
ValidationsTree = validationsTree,
Converter = source =>
{
var dest = new TDest();
BeforeConvert(source);
lazyCompiledConverter.Value(dest, source);
AfterConvert(dest, source);
return(dest);
},
Merger = (source, dest) =>
{
BeforeConvert(source);
lazyCompiledConverter.Value(dest, source);
AfterConvert(dest, source);
},
ValidationMutatorsTrees = new Hashtable()
};
//if(!MutatorsAssignRecorder.IsRecording())
hashtable[key] = slot;
}
}
}
return(slot);
}
private Action <TDest, TSource> CompileTree(ModelConfigurationNode tree, MutatorsContext context)
{
var treeConverter = (Expression <Action <TDest, TSource> >)tree.BuildTreeMutator(typeof(TSource));
Action <TDest, TSource> compiledTreeConverter;
var sw = Stopwatch.StartNew();
try
{
compiledTreeConverter = LambdaCompiler.Compile(treeConverter, CompilerOptions.All);
}
finally
{
sw.Stop();
LogConverterCompilation(context, sw);
}
return(compiledTreeConverter);
}
public MutatorsTreeBase <TSource> GetValidationsTree(MutatorsContext context, int priority)
{
var slot = GetOrCreateHashtableSlot(context);
var result = (MutatorsTreeBase <TSource>)slot.ValidationMutatorsTrees[priority];
if (result == null)
{
lock (lockObject)
{
result = (MutatorsTreeBase <TSource>)slot.ValidationMutatorsTrees[priority];
if (result == null)
{
slot.ValidationMutatorsTrees[priority] = result = new MutatorsTree <TSource>(slot.ValidationsTree, pathFormatterCollection.GetPathFormatter <TSource>(), pathFormatterCollection, priority);
}
}
}
return(result);
}
public MutatorsTreeBase <TData> GetMutatorsTree(MutatorsContext context, int validationsPriority = 0)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
var slot = GetOrCreateHashtableSlot(context);
var result = (MutatorsTreeBase <TData>)slot.MutatorsTrees[validationsPriority];
if (result == null)
{
lock (lockObject)
{
result = (MutatorsTreeBase <TData>)slot.MutatorsTrees[validationsPriority];
if (result == null)
{
slot.MutatorsTrees[validationsPriority] = result = new MutatorsTree <TData>(slot.Tree, pathFormatterCollection.GetPathFormatter <TData>(), pathFormatterCollection, validationsPriority);
}
}
}
return(result);
}
protected abstract void Configure(MutatorsContext context, MutatorsConfigurator <TData> configurator);
protected abstract void Configure(MutatorsContext context, ConverterConfigurator <TSource, TDest> configurator);
public MutatorsTreeBase <TDest> MigratePaths(MutatorsTreeBase <TDest> mutatorsTree, MutatorsContext context)
{
return(mutatorsTree?.MigratePaths <TSource>(GetOrCreateHashtableSlot(context).ConverterTree));
}
protected void ConfigureInternal(MutatorsContext context, ConverterConfigurator <TSource, TDest> configurator)
{
Configure(context, configurator);
ConfigureCustomFields(configurator);
}
public Action <TSource, TDest> GetMerger(MutatorsContext context)
{
return(GetOrCreateHashtableSlot(context).Merger);
}
public Func <TSource, TDest> GetConverter(MutatorsContext context)
{
return(GetOrCreateHashtableSlot(context).Converter);
}
public static MutatorsTreeBase <TDest> GetMutatorsTree <TSource, TDest>(this IDataConfiguratorCollection <TDest> collection, MutatorsContext sourceMutatorsContext, MutatorsContext destMutatorsContext, MutatorsContext converterContext)
{
return(collection.GetMutatorsTree(new[] { typeof(TSource) }, new[] { sourceMutatorsContext, destMutatorsContext }, new[] { converterContext }));
}