/// <summary>
/// Builds the class snapshot.
/// </summary>
/// <param name="context">The context.</param>
private void buildClassSnapshot(ClassBuildContext context)
{
// Prepare snapshot read only parameters
SnapshotNodeParameter.Instance.SnapshotNode = context.TargetNode;
SnapshotNodeIdParameter.Instance.SnapshotNodeId = context.TargetNode.NodeId;
try
{
//var includeObjects = getSourceObjects(context, SelectorType.Include);
//var excludeObjects = getSourceObjects(context, SelectorType.Exclude);
//var sourceObjects = includeObjects.Except(excludeObjects).Where(x => !context.DoneObjects.ContainsKey(x)).ToList();
var sourceObjects = getSourceObjects(context);
if (sourceObjects.Count() > 0)
{
context.Worker.ReportProgress(string.Format(Localizer.SourceObjectsFoundForClass, sourceObjects.Count, context.ModelClass.Name));
}
// for each selected objects build snapshots
foreach (var sourceObject in sourceObjects.TakeWhile(x => !context.Worker.CancellationPending))
{
buildObjectSnapshot(context, sourceObject);
}
}
finally
{
SnapshotNodeParameter.Instance.SnapshotNode = null;
}
}
/// <summary>
/// Determines whether source object is source for snapshot.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="sourceObject">The source object.</param>
/// <returns>
/// <c>true</c> if the source object is source for snapshort; otherwise, <c>false</c>.
/// </returns>
private bool isSourceObject(ClassBuildContext context, object sourceObject)
{
var modelClass = XafDeltaModule.XafApp.FindModelClass(sourceObject.GetType());
var sourceContext = new ClassBuildContext(context, modelClass);
var result = !modelClass.NonSnapshot() && getSnapShourceList(sourceContext).Contains(sourceObject);
return(result);
}
/// <summary>
/// Builds the object snapshot.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="sourceObject">The source object.</param>
/// <returns></returns>
private object buildObjectSnapshot(ClassBuildContext context, object sourceObject)
{
if (!isSourceObject(context, sourceObject) || context.Worker.CancellationPending)
{
return(null);
}
object snapObject;
if (!context.Map.TryGetValue(sourceObject, out snapObject))
{
var modelClass = XafDeltaModule.XafApp.FindModelClass(sourceObject.GetType());
snapObject = context.SnapObjectSpace.CreateObject(modelClass.TypeInfo.Type);
storeObjectState(context, sourceObject, snapObject);
context.DoneObjects.Enqueue(sourceObject);
}
return(snapObject);
}
/// <summary>
/// Gets objects to be snapshoted.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
private IList <object> getSnapShourceList(ClassBuildContext context)
{
IList <object> result;
if (!context.SnapSources.TryGetValue(context.ModelClass, out result))
{
IEnumerable <object> resultEnum = new List <object>();
var classType = context.ModelClass.TypeInfo.Type;
var tuple = from c in context.AppObjectSpace.GetObjects(classType).Cast <object>() select c;
if (Owner.SelectorMode == SelectorMode.BlackList)
{
resultEnum = tuple;
}
foreach (var selector in context.ModelClass.AllSnapshotSelectors())
{
IEnumerable <object> selectedObjects;
if (string.IsNullOrEmpty(selector.Expression))
{
selectedObjects = tuple;
}
else
{
selectedObjects =
from c in
context.AppObjectSpace.GetObjects(classType, CriteriaOperator.Parse(selector.Expression))
.Cast <object>()
select c;
}
resultEnum = selector.SelectorType == SelectorType.Include
? resultEnum.Union(selectedObjects)
: resultEnum.Except(selectedObjects);
}
result =
resultEnum.Except(context.DoneObjects).Where(
x => XafDeltaModule.XafApp.FindModelClass(x.GetType()) == context.ModelClass).ToList();
context.SnapSources.Add(context.ModelClass, result);
}
return(result);
}
private bool availableForSnapshot(object sourceObject, ClassBuildContext context)
{
var result = context.DoneObjects.ContainsKey(sourceObject);
if (!result)
{
var modelClass = XafDeltaModule.XafApp.FindModelClass(sourceObject.GetType());
if (modelClass != null)
{
if (!context.SelectedTypes.Contains(modelClass))
{
getSourceObjects(context, modelClass);
}
var seekKey = sourceObject.GetType().AssemblyQualifiedName +
context.ObjectSpace.GetKeyValue(sourceObject);
result = context.SelectedSourceObjects.Contains(seekKey);
}
}
return(result);
}
/// <summary>
/// Builds the class snapshot.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
private int buildClassSnapshot(ClassBuildContext context)
{
var snapSourceList = getSnapShourceList(context);
var result = snapSourceList.Count;
if (result > 0)
{
context.Worker.ReportProgress(string.Format(Localizer.SourceObjectsFoundForClass,
result, context.ModelClass.Name));
}
int i = 0;
foreach (var sourceObject in snapSourceList.TakeWhile(x => !context.Worker.CancellationPending))
{
context.Worker.ReportPercent((double)i++ / (double)result);
buildObjectSnapshot(context, sourceObject);
}
return(result);
}
/// <summary>
/// Builds object snapshot.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="sourceObject">The source object.</param>
/// <returns></returns>
private object buildObjectSnapshot(ClassBuildContext context, object sourceObject)
{
object result;
if (!availableForSnapshot(sourceObject, context))
{
return(null);
}
if (!context.DoneObjects.TryGetValue(sourceObject, out result))
{
var packageUow = ((ObjectSpace)context.PackageObjectSpace).Session;
var classInfo = packageUow.GetClassInfo(sourceObject.GetType());
var modelClass = XafDeltaModule.XafApp.FindModelClass(sourceObject.GetType());
result = context.ObjectSpace.CreateObject(modelClass.TypeInfo.Type);
// result = classInfo.CreateObject(packageUow);
context.DoneObjects.Add(sourceObject, result);
storeObjectState(context, sourceObject, result);
context.MapQueue.Enqueue(sourceObject);
}
return(result);
}
private List <object> getSourceObjects(ClassBuildContext context, IModelClass modelClass)
{
if (modelClass == null)
{
modelClass = context.ModelClass;
}
IEnumerable <object> result = new List <object>();
var targetType = modelClass.TypeInfo.Type;
var allObjects = (from c in context.ObjectSpace.GetObjects(targetType).Cast <object>() select c).ToList();
if (Owner.SelectorMode == SelectorMode.BlackList)
{
result = allObjects;
}
foreach (var selector in modelClass.AllSnapshotSelectors())
{
IEnumerable <object> selectResult;
var expression = selector.Expression;
if (string.IsNullOrEmpty(expression))
{
selectResult = allObjects;
}
else
{
selectResult = context.ObjectSpace.GetObjects(targetType, CriteriaOperator.Parse(expression)).Cast <object>();
}
if (selector.SelectorType == SelectorType.Include)
{
result = result.Union(selectResult).Distinct();
}
else
{
result = result.Except(selectResult);
}
}
result = result.Where(x => !context.DoneObjects.ContainsKey(x)).Distinct();
result = from c in result where !(c is ISnapshotable) ||
((ISnapshotable)c).ShouldBeIncludedInSnapshot(context.TargetNode) select c;
var resultList = result.ToList();
// register class done
context.SelectedTypes.Add(modelClass);
foreach (var resultObject in resultList)
{
// store selected objects hashes
if (XafDeltaModule.XafApp.FindModelClass(resultObject.GetType()) == modelClass)
{
var seekKey = resultObject.GetType().AssemblyQualifiedName +
context.ObjectSpace.GetKeyValue(resultObject);
context.SelectedSourceObjects.Add(seekKey);
}
}
return(resultList);
}
/// <summary>
/// Stores the state of the object.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="sourceObject">The source object.</param>
/// <param name="snapObject">The snap object.</param>
private void storeObjectState(ClassBuildContext context, object sourceObject, object snapObject)
{
if (context.Worker.CancellationPending) return;
if (sourceObject == null || snapObject == null) return;
if (context.Map.ContainsKey(sourceObject)) return;
context.Map.Add(sourceObject, snapObject);
context.Worker.ShowStatus(string.Format(Localizer.SnapshotObject, sourceObject));
var classInfo = ((IXPObject) sourceObject).ClassInfo;
var modelClass = XafDeltaModule.XafApp.FindModelClass(classInfo.ClassType);
IEnumerable<XPMemberInfo> sourceMembers = classInfo.Members;
if (modelClass != null && modelClass.TypeInfo.IsInterface)
sourceMembers = from m in modelClass.AllMembers select classInfo.FindMember(m.Name);
foreach (var memberInfo in sourceMembers.Where(x => !(x is ServiceField) && x.IsPersistent
&& !x.IsReadOnly && !x.IsKey).TakeWhile(
x => !context.Worker.CancellationPending))
{
if (modelClass != null)
{
var modelMember = modelClass.AllMembers[memberInfo.Name];
if (modelMember != null && modelMember.NonSnapshot())
continue;
}
context.Worker.ShowStatus(string.Format(Localizer.SnapshotProperty, sourceObject, memberInfo.Name));
var sourceValue = memberInfo.GetValue(sourceObject);
var memberIsCloned = false;
// XP object references
if (memberInfo.ReferenceType != null)
{
// aggregated objects
if (memberInfo.IsAggregated && sourceValue != null)
{
var aggrObj = memberInfo.GetValue(snapObject);
// if aggregated object in target is not null
// then link it to source value and clone state
if (aggrObj != null)
{
storeObjectState(context, sourceValue, aggrObj);
memberIsCloned = true;
}
}
if (sourceValue != null && !memberIsCloned)
{
memberInfo.SetValue(snapObject, buildObjectSnapshot(context, sourceValue));
memberIsCloned = true;
context.Worker.ShowStatus(string.Format(Localizer.SnapshotObject, sourceObject));
}
}
if (!memberIsCloned)
memberInfo.SetValue(snapObject, sourceValue);
}
// clone collections
if (modelClass != null)
{
foreach (var modelMember in modelClass.AllMembers.Where(x => x.MemberInfo.IsAssociation
&& x.MemberInfo.IsList).TakeWhile(
x =>
!context.Worker.CancellationPending))
{
if (modelMember == null || modelMember.NonSnapshot())
continue;
context.Worker.ShowStatus(string.Format(Localizer.SnapshotProperty, sourceObject, modelMember.Name));
var sourceCollection = modelMember.MemberInfo.GetValue(sourceObject) as IList;
var targetMember = ((IXPObject) snapObject).ClassInfo.GetMember(modelMember.Name);
var targetCollection = targetMember.GetValue(snapObject) as IList;
if (sourceCollection != null && targetCollection != null)
{
var sourceObjectList = new List<object>();
sourceObjectList.AddRange(sourceCollection.Cast<object>());
foreach (var sourceElement in sourceObjectList)
{
var targeElement = buildObjectSnapshot(context, sourceElement);
if (targeElement != null && !targetCollection.Contains(targeElement))
targetCollection.Add(targeElement);
}
}
}
}
}
/// <summary>
/// Builds object snapshot.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="sourceObject">The source object.</param>
/// <returns></returns>
private object buildObjectSnapshot(ClassBuildContext context, object sourceObject)
{
object result;
if (!availableForSnapshot(sourceObject, context)) return null;
if (!context.DoneObjects.TryGetValue(sourceObject, out result))
{
var packageUow = ((ObjectSpace)context.PackageObjectSpace).Session;
var classInfo = packageUow.GetClassInfo(sourceObject.GetType());
var modelClass = XafDeltaModule.XafApp.FindModelClass(sourceObject.GetType());
result = context.ObjectSpace.CreateObject(modelClass.TypeInfo.Type);
// result = classInfo.CreateObject(packageUow);
context.DoneObjects.Add(sourceObject, result);
storeObjectState(context, sourceObject, result);
context.MapQueue.Enqueue(sourceObject);
}
return result;
}
private List <object> getSourceObjects(ClassBuildContext context)
{
return(getSourceObjects(context, null));
}
/// <summary>
/// Stores the state of the object.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="sourceObject">The source object.</param>
/// <param name="snapObject">The snap object.</param>
private void storeObjectState(ClassBuildContext context, object sourceObject, object snapObject)
{
if (context.Worker.CancellationPending)
{
return;
}
if (sourceObject == null || snapObject == null)
{
return;
}
if (context.Map.ContainsKey(sourceObject))
{
return;
}
context.Map.Add(sourceObject, snapObject);
context.Worker.ShowStatus(string.Format(Localizer.SnapshotObject, sourceObject));
var classInfo = ((IXPObject)sourceObject).ClassInfo;
var modelClass = XafDeltaModule.XafApp.FindModelClass(classInfo.ClassType);
IEnumerable <XPMemberInfo> sourceMembers = classInfo.Members;
if (modelClass != null && modelClass.TypeInfo.IsInterface)
{
sourceMembers = from m in modelClass.AllMembers select classInfo.FindMember(m.Name);
}
foreach (var memberInfo in sourceMembers.Where(x => !(x is ServiceField) && x.IsPersistent &&
!x.IsReadOnly && !x.IsKey).TakeWhile(
x => !context.Worker.CancellationPending))
{
if (modelClass != null)
{
var modelMember = modelClass.AllMembers[memberInfo.Name];
if (modelMember != null && modelMember.NonSnapshot())
{
continue;
}
}
context.Worker.ShowStatus(string.Format(Localizer.SnapshotProperty, sourceObject, memberInfo.Name));
var sourceValue = memberInfo.GetValue(sourceObject);
var memberIsCloned = false;
// XP object references
if (memberInfo.ReferenceType != null)
{
// aggregated objects
if (memberInfo.IsAggregated && sourceValue != null)
{
var aggrObj = memberInfo.GetValue(snapObject);
// if aggregated object in target is not null
// then link it to source value and clone state
if (aggrObj != null)
{
storeObjectState(context, sourceValue, aggrObj);
memberIsCloned = true;
}
}
if (sourceValue != null && !memberIsCloned)
{
memberInfo.SetValue(snapObject, buildObjectSnapshot(context, sourceValue));
memberIsCloned = true;
context.Worker.ShowStatus(string.Format(Localizer.SnapshotObject, sourceObject));
}
}
if (!memberIsCloned)
{
memberInfo.SetValue(snapObject, sourceValue);
}
}
// clone collections
if (modelClass != null)
{
foreach (var modelMember in modelClass.AllMembers.Where(x => x.MemberInfo.IsAssociation &&
x.MemberInfo.IsList).TakeWhile(
x =>
!context.Worker.CancellationPending))
{
if (modelMember == null || modelMember.NonSnapshot())
{
continue;
}
context.Worker.ShowStatus(string.Format(Localizer.SnapshotProperty, sourceObject, modelMember.Name));
var sourceCollection = modelMember.MemberInfo.GetValue(sourceObject) as IList;
var targetMember = ((IXPObject)snapObject).ClassInfo.GetMember(modelMember.Name);
var targetCollection = targetMember.GetValue(snapObject) as IList;
if (sourceCollection != null && targetCollection != null)
{
var sourceObjectList = new List <object>();
sourceObjectList.AddRange(sourceCollection.Cast <object>());
foreach (var sourceElement in sourceObjectList)
{
var targeElement = buildObjectSnapshot(context, sourceElement);
if (targeElement != null && !targetCollection.Contains(targeElement))
{
targetCollection.Add(targeElement);
}
}
}
}
}
}
private List<object> getSourceObjects(ClassBuildContext context)
{
return getSourceObjects(context, null);
}
/// <summary>
/// Clones the state of the source object into target one.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="sourceObject">The source object.</param>
/// <param name="targetObject">The target object.</param>
private void storeObjectState(ClassBuildContext context, object sourceObject, object targetObject)
{
var classInfo = ((IXPObject) sourceObject).ClassInfo;
var modelClass = XafDeltaModule.XafApp.FindModelClass(classInfo.ClassType);
foreach (var memberInfo in classInfo.Members.Where(x => !(x is ServiceField) && x.IsPersistent
&& !x.IsReadOnly && !x.IsKey))
{
if(modelClass != null)
{
var modelMember = modelClass.AllMembers[memberInfo.Name];
if(modelMember != null && modelMember.NonSnapshot())
continue;
}
var sourceValue = memberInfo.GetValue(sourceObject);
var memberIsCloned = false;
// XP object references
if (memberInfo.ReferenceType != null)
{
// aggregated objects
if(memberInfo.IsAggregated && sourceValue != null)
{
var aggrObj = memberInfo.GetValue(targetObject);
// if aggregated object in target is not null
// then link it to source value and clone state
if (aggrObj != null)
{
if (!context.DoneObjects.ContainsValue(aggrObj))
{
if(!context.DoneObjects.ContainsKey(sourceValue))
context.DoneObjects.Add(sourceValue, aggrObj);
storeObjectState(context, sourceValue, aggrObj);
}
memberIsCloned = true;
}
}
if(sourceValue != null && !memberIsCloned)
{
memberInfo.SetValue(targetObject, buildObjectSnapshot(context, sourceValue));
memberIsCloned = true;
}
}
if (!memberIsCloned)
memberInfo.SetValue(targetObject, sourceValue);
}
// clone collections
if (modelClass != null)
{
foreach (var modelMember in modelClass.AllMembers.Where(x => x.MemberInfo.IsAssociation
&& x.MemberInfo.IsList))
{
if (modelMember == null || modelMember.NonSnapshot())
continue;
var sourceCollection = modelMember.MemberInfo.GetValue(sourceObject) as IList;
var targetMember = ((IXPObject) targetObject).ClassInfo.GetMember(modelMember.Name);
var targetCollection = targetMember.GetValue(targetObject) as IList;
if (sourceCollection != null && targetCollection != null)
{
var sourceObjectList = new List<object>();
sourceObjectList.AddRange(sourceCollection.Cast<object>());
foreach (var sourceElement in sourceObjectList)
{
var targeElement = buildObjectSnapshot(context, sourceElement);
if (targeElement != null && !targetCollection.Contains(targeElement))
targetCollection.Add(targeElement);
}
}
}
}
}
private List<object> getSourceObjects(ClassBuildContext context, IModelClass modelClass)
{
if (modelClass == null)
modelClass = context.ModelClass;
IEnumerable<object> result = new List<object>();
var targetType = modelClass.TypeInfo.Type;
var allObjects = (from c in context.ObjectSpace.GetObjects(targetType).Cast<object>() select c).ToList();
if (Owner.SelectorMode == SelectorMode.BlackList)
result = allObjects;
foreach (var selector in modelClass.AllSnapshotSelectors())
{
IEnumerable<object> selectResult;
var expression = selector.Expression;
if (string.IsNullOrEmpty(expression))
selectResult = allObjects;
else
selectResult = context.ObjectSpace.GetObjects(targetType, CriteriaOperator.Parse(expression)).Cast<object>();
if (selector.SelectorType == SelectorType.Include)
result = result.Union(selectResult).Distinct();
else
result = result.Except(selectResult);
}
result = result.Where(x => !context.DoneObjects.ContainsKey(x)).Distinct();
result = from c in result where !(c is ISnapshotable)
|| ((ISnapshotable)c).ShouldBeIncludedInSnapshot(context.TargetNode) select c;
var resultList = result.ToList();
// register class done
context.SelectedTypes.Add(modelClass);
foreach (var resultObject in resultList)
{
// store selected objects hashes
if (XafDeltaModule.XafApp.FindModelClass(resultObject.GetType()) == modelClass)
{
var seekKey = resultObject.GetType().AssemblyQualifiedName +
context.ObjectSpace.GetKeyValue(resultObject);
context.SelectedSourceObjects.Add(seekKey);
}
}
return resultList;
}
/// <summary>
/// Builds the class snapshot.
/// </summary>
/// <param name="context">The context.</param>
private void buildClassSnapshot(ClassBuildContext context)
{
// Prepare snapshot read only parameters
SnapshotNodeParameter.Instance.SnapshotNode = context.TargetNode;
SnapshotNodeIdParameter.Instance.SnapshotNodeId = context.TargetNode.NodeId;
try
{
//var includeObjects = getSourceObjects(context, SelectorType.Include);
//var excludeObjects = getSourceObjects(context, SelectorType.Exclude);
//var sourceObjects = includeObjects.Except(excludeObjects).Where(x => !context.DoneObjects.ContainsKey(x)).ToList();
var sourceObjects = getSourceObjects(context);
if(sourceObjects.Count() > 0)
context.Worker.ReportProgress(string.Format(Localizer.SourceObjectsFoundForClass, sourceObjects.Count, context.ModelClass.Name));
// for each selected objects build snapshots
foreach (var sourceObject in sourceObjects.TakeWhile(x => !context.Worker.CancellationPending))
buildObjectSnapshot(context, sourceObject);
}
finally
{
SnapshotNodeParameter.Instance.SnapshotNode = null;
}
}
/// <summary>
/// Builds the class snapshot.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
private int buildClassSnapshot(ClassBuildContext context)
{
var snapSourceList = getSnapShourceList(context);
var result = snapSourceList.Count;
if (result > 0)
context.Worker.ReportProgress(string.Format(Localizer.SourceObjectsFoundForClass,
result, context.ModelClass.Name));
int i = 0;
foreach (var sourceObject in snapSourceList.TakeWhile(x => !context.Worker.CancellationPending))
{
context.Worker.ReportPercent((double) i++/(double) result);
buildObjectSnapshot(context, sourceObject);
}
return result;
}
/// <summary>
/// Determines whether source object is source for snapshot.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="sourceObject">The source object.</param>
/// <returns>
/// <c>true</c> if the source object is source for snapshort; otherwise, <c>false</c>.
/// </returns>
private bool isSourceObject(ClassBuildContext context, object sourceObject)
{
var modelClass = XafDeltaModule.XafApp.FindModelClass(sourceObject.GetType());
var sourceContext = new ClassBuildContext(context, modelClass);
var result = !modelClass.NonSnapshot() && getSnapShourceList(sourceContext).Contains(sourceObject);
return result;
}
/// <summary>
/// Gets objects to be snapshoted.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
private IList<object> getSnapShourceList(ClassBuildContext context)
{
IList<object> result;
if (!context.SnapSources.TryGetValue(context.ModelClass, out result))
{
IEnumerable<object> resultEnum = new List<object>();
var classType = context.ModelClass.TypeInfo.Type;
var tuple = from c in context.AppObjectSpace.GetObjects(classType).Cast<object>() select c;
if (Owner.SelectorMode == SelectorMode.BlackList)
resultEnum = tuple;
foreach (var selector in context.ModelClass.AllSnapshotSelectors())
{
IEnumerable<object> selectedObjects;
if (string.IsNullOrEmpty(selector.Expression))
selectedObjects = tuple;
else
selectedObjects =
from c in
context.AppObjectSpace.GetObjects(classType, CriteriaOperator.Parse(selector.Expression))
.Cast<object>()
select c;
resultEnum = selector.SelectorType == SelectorType.Include
? resultEnum.Union(selectedObjects)
: resultEnum.Except(selectedObjects);
}
result =
resultEnum.Except(context.DoneObjects).Where(
x => XafDeltaModule.XafApp.FindModelClass(x.GetType()) == context.ModelClass).ToList();
context.SnapSources.Add(context.ModelClass, result);
}
return result;
}
/// <summary>
/// Builds the object snapshot.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="sourceObject">The source object.</param>
/// <returns></returns>
private object buildObjectSnapshot(ClassBuildContext context, object sourceObject)
{
if (!isSourceObject(context, sourceObject) || context.Worker.CancellationPending) return null;
object snapObject;
if (!context.Map.TryGetValue(sourceObject, out snapObject))
{
var modelClass = XafDeltaModule.XafApp.FindModelClass(sourceObject.GetType());
snapObject = context.SnapObjectSpace.CreateObject(modelClass.TypeInfo.Type);
storeObjectState(context, sourceObject, snapObject);
context.DoneObjects.Enqueue(sourceObject);
}
return snapObject;
}
/// <summary>
/// Clones the state of the source object into target one.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="sourceObject">The source object.</param>
/// <param name="targetObject">The target object.</param>
private void storeObjectState(ClassBuildContext context, object sourceObject, object targetObject)
{
var classInfo = ((IXPObject)sourceObject).ClassInfo;
var modelClass = XafDeltaModule.XafApp.FindModelClass(classInfo.ClassType);
foreach (var memberInfo in classInfo.Members.Where(x => !(x is ServiceField) && x.IsPersistent &&
!x.IsReadOnly && !x.IsKey))
{
if (modelClass != null)
{
var modelMember = modelClass.AllMembers[memberInfo.Name];
if (modelMember != null && modelMember.NonSnapshot())
{
continue;
}
}
var sourceValue = memberInfo.GetValue(sourceObject);
var memberIsCloned = false;
// XP object references
if (memberInfo.ReferenceType != null)
{
// aggregated objects
if (memberInfo.IsAggregated && sourceValue != null)
{
var aggrObj = memberInfo.GetValue(targetObject);
// if aggregated object in target is not null
// then link it to source value and clone state
if (aggrObj != null)
{
if (!context.DoneObjects.ContainsValue(aggrObj))
{
if (!context.DoneObjects.ContainsKey(sourceValue))
{
context.DoneObjects.Add(sourceValue, aggrObj);
}
storeObjectState(context, sourceValue, aggrObj);
}
memberIsCloned = true;
}
}
if (sourceValue != null && !memberIsCloned)
{
memberInfo.SetValue(targetObject, buildObjectSnapshot(context, sourceValue));
memberIsCloned = true;
}
}
if (!memberIsCloned)
{
memberInfo.SetValue(targetObject, sourceValue);
}
}
// clone collections
if (modelClass != null)
{
foreach (var modelMember in modelClass.AllMembers.Where(x => x.MemberInfo.IsAssociation &&
x.MemberInfo.IsList))
{
if (modelMember == null || modelMember.NonSnapshot())
{
continue;
}
var sourceCollection = modelMember.MemberInfo.GetValue(sourceObject) as IList;
var targetMember = ((IXPObject)targetObject).ClassInfo.GetMember(modelMember.Name);
var targetCollection = targetMember.GetValue(targetObject) as IList;
if (sourceCollection != null && targetCollection != null)
{
var sourceObjectList = new List <object>();
sourceObjectList.AddRange(sourceCollection.Cast <object>());
foreach (var sourceElement in sourceObjectList)
{
var targeElement = buildObjectSnapshot(context, sourceElement);
if (targeElement != null && !targetCollection.Contains(targeElement))
{
targetCollection.Add(targeElement);
}
}
}
}
}
}
private bool availableForSnapshot(object sourceObject, ClassBuildContext context)
{
var result = context.DoneObjects.ContainsKey(sourceObject);
if(!result)
{
var modelClass = XafDeltaModule.XafApp.FindModelClass(sourceObject.GetType());
if(modelClass != null)
{
if (!context.SelectedTypes.Contains(modelClass))
getSourceObjects(context, modelClass);
var seekKey = sourceObject.GetType().AssemblyQualifiedName +
context.ObjectSpace.GetKeyValue(sourceObject);
result = context.SelectedSourceObjects.Contains(seekKey);
}
}
return result;
}