public IValue SetContent(Func <Stream> content)
{
content = content ?? (() => null);
using (Vault.ExposeReadWrite())
{
var oldContent = _content;
if (Metadata[CoreConstants.ContentIsNullSection].IsNeitherNullNorEmpty())
{
oldContent = () => null;
}
var corrId = BoundVault.ReportChanging(EventReason.Content, this, oldContent, content);
VerifyMutation(VPath);
_content = content;
_saveMyContentPlease = true;
using (Vault.InternalExpose())
{
_isContentCached = false;
_isContentStringCached = false;
Metadata[CoreConstants.ContentIsNullSection] = null;
}
BoundVault.ReportChanged(corrId, EventReason.Content, this, oldContent, content);
return(this);
}
}
public override String this[String key]
{
get
{
using (Vault.ExposeReadOnly())
{
EnsureDefault();
lock (_isomorphicWritesLock)
{
if (!ContainsKey(key))
{
Impl.Add(key, null);
}
}
return(Impl[key]);
}
}
set
{
using (Vault.ExposeReadOnly())
{
EnsureDefault();
if (ContainsKey(key) && Impl[key] == value)
{
return;
}
else
{
using (Vault.ExposeReadWrite())
{
var oldMetadata = Clone();
var newImpl = new Dictionary <String, String>(Impl);
newImpl[key] = value;
var newMetadata = new Metadata(_element, newImpl);
var corrId = BoundVault.ReportChanging(EventReason.Metadata, Element, oldMetadata, newMetadata);
VerifyMutation();
Impl[key] = value;
SaveMePlease = true;
BoundVault.ReportChanged(corrId, EventReason.Metadata, Element, oldMetadata, newMetadata);
}
}
}
}
}
public Metadata InitializeFrom(Func <Stream> lazyStream)
{
using (Vault.ExposeReadWrite())
{
var oldMetadata = Clone();
var newMetadata = new Metadata(_element, lazyStream);
var corrId = BoundVault.ReportChanging(EventReason.Metadata, Element, oldMetadata, newMetadata);
VerifyMutation();
_lazySource = lazyStream;
SaveMePlease = true;
BoundVault.ReportChanged(corrId, EventReason.Metadata, Element, oldMetadata, newMetadata);
return(this);
}
}
public override IMetadata InitializeFrom(IMetadata metadata)
{
using (Vault.ExposeReadWrite())
{
var oldMetadata = Clone();
var newMetadata = metadata;
var corrId = BoundVault.ReportChanging(EventReason.Metadata, Element, oldMetadata, newMetadata);
VerifyMutation();
_lazySource = null;
var externalImpl = metadata == null ? new Dictionary <String, String>() : ((Metadata)metadata).Impl;
externalImpl = externalImpl ?? new Dictionary <String, String>();
_dontUseThisForGetUsePropertyInstead = new Dictionary <String, String>(externalImpl);
SaveMePlease = true;
BoundVault.ReportChanged(corrId, EventReason.Metadata, Element, oldMetadata, newMetadata);
return(this);
}
}
public override void Add(String key, String value)
{
using (Vault.ExposeReadWrite())
{
EnsureDefault();
var oldMetadata = Clone();
var newImpl = new Dictionary <String, String>(Impl);
newImpl.Add(key, value);
var newMetadata = new Metadata(_element, newImpl);
var corrId = BoundVault.ReportChanging(EventReason.Metadata, Element, oldMetadata, newMetadata);
VerifyMutation();
Impl.Add(key, value);
SaveMePlease = true;
BoundVault.ReportChanged(corrId, EventReason.Metadata, Element, oldMetadata, newMetadata);
}
}
public override void Add(KeyValuePair <String, String> item)
{
using (Vault.ExposeReadWrite())
{
EnsureDefault();
var oldMetadata = Clone();
var newImpl = new Dictionary <String, String>(Impl);
((ICollection <KeyValuePair <String, String> >)newImpl).Add(item);
var newMetadata = new Metadata(_element, newImpl);
var corrId = BoundVault.ReportChanging(EventReason.Metadata, Element, oldMetadata, newMetadata);
VerifyMutation();
((ICollection <KeyValuePair <String, String> >)Impl).Add(item);
SaveMePlease = true;
BoundVault.ReportChanged(corrId, EventReason.Metadata, Element, oldMetadata, newMetadata);
}
}
public virtual IElement Rename(String name)
{
IsRoot.AssertFalse();
(VPath + name).AssertNotNull();
using (Vault.ExposeReadOnly())
{
var oldName = Name;
var corrId = Guid.Empty;
if (name != oldName)
{
corrId = BoundVault.ReportChanging(EventReason.Rename, this, oldName, name);
}
if (name != oldName)
{
using (Vault.ExposeReadWrite())
{
Name = name;
var index = Parent == null ? null : Parent.Children as IndexedNodeCollection;
if (index != null)
{
index.Reindex(this);
}
}
}
// do not insert the check "Name == name" here
// it will break branch name changes propagation
// i.e. if a parent has been renamed, all his children should get
// the _saveMyNamePlease flag since their position @ the physical storage has changed
_saveMyNamePlease = true;
if (name != oldName)
{
(corrId != Guid.Empty).AssertTrue();
BoundVault.ReportChanged(corrId, EventReason.Rename, this, oldName, name);
}
return(this);
}
}
public override bool Remove(KeyValuePair <String, String> item)
{
var key = item.Key;
var value = item.Value;
using (Vault.ExposeReadOnly())
{
if (!Impl.ContainsKey(key))
{
return(false);
}
else
{
if (Impl[key] == value)
{
return(false);
}
else
{
using (Vault.ExposeReadWrite())
{
var oldMetadata = Clone();
var newImpl = new Dictionary <String, String>(Impl);
((ICollection <KeyValuePair <String, String> >)newImpl).Remove(item);
var newMetadata = new Metadata(_element, newImpl);
var corrId = BoundVault.ReportChanging(EventReason.Metadata, Element, oldMetadata, newMetadata);
VerifyMutation();
var result = ((ICollection <KeyValuePair <String, String> >)Impl).Remove(item);
EnsureDefault();
SaveMePlease = true;
BoundVault.ReportChanged(corrId, EventReason.Metadata, Element, oldMetadata, newMetadata);
return(result);
}
}
}
}
}
public override bool Remove(String key)
{
using (Vault.ExposeReadOnly())
{
if (!Impl.ContainsKey(key))
{
return(false);
}
else
{
if (Impl[key] == null)
{
return(false);
}
else
{
using (Vault.ExposeReadWrite())
{
var oldMetadata = Clone();
var newImpl = new Dictionary <String, String>(Impl);
newImpl.Remove(key);
var newMetadata = new Metadata(_element, newImpl);
var corrId = BoundVault.ReportChanging(EventReason.Metadata, Element, oldMetadata, newMetadata);
VerifyMutation();
var result = Impl.Remove(key);
EnsureDefault();
SaveMePlease = true;
BoundVault.ReportChanged(corrId, EventReason.Metadata, Element, oldMetadata, newMetadata);
return(result);
}
}
}
}
}
