public override IDataObject GetDataObject(string identity)
{
if (identity == null) throw new ArgumentNullException("identity");
var resolvedIdentity = ResolveIdentity(identity);
var dataObject = new DataObject(this, resolvedIdentity);
BindDataObject(dataObject);
RegisterDataObject(dataObject);
return dataObject;
}
/// <summary>
/// Returns the tracked data object for a given input data object
/// </summary>
/// <param name="p">The data object to be tracked</param>
/// <returns>The tracked data object for the same identity as <paramref name="p"/></returns>
/// <remarks>If <paramref name="p"/> has an identity which matches an existing tracked data object,
/// then the existing tracked data object is returned, otherwise <paramref name="p"/> is added
/// to the data object tracker and returned.</remarks>
protected DataObject RegisterDataObject(DataObject p)
{
DataObject existing;
if (_managedProxies.TryGetValue(p.Identity, out existing)) return existing;
_managedProxies.Add(p.Identity, p);
return p;
}
public override bool BindDataObject(DataObject dataObject)
{
return dataObject.BindTriples(GetTriplesForDataObject(dataObject.Identity));
}
/// <summary>
/// Change the URI identifier for this data object.
/// </summary>
/// <remarks>This change will update all triples where the data object identity
/// is the subject or object. It will not change predicates.</remarks>
/// <param name="newIdentity">The new URI identifier</param>
/// <param name="enforceClassUniqueConstraint">Add an update precondition to ensure that the update will fail if the store already
/// contains an RDF resource with the same rdf:type(s) as this data object.</param>
public IDataObject UpdateIdentity(string newIdentity, bool enforceClassUniqueConstraint)
{
if (newIdentity == null) throw new ArgumentNullException("newIdentity", "DataObject Identity must not be null");
if (String.IsNullOrWhiteSpace(newIdentity)) throw new ArgumentException("DataObject Identity must not be an empty string or whitespace.", "newIdentity");
if (newIdentity.Equals(Identity))
{
// No change
return this;
}
if (IsNew)
{
// Simple case - we only have to change the uncommitted triples locally.
CheckLoaded();
var ret = new DataObject(_store, newIdentity, true);
ret.BindTriples(_triples.Select(t => ReplaceIdentity(t, newIdentity)), true, enforceClassUniqueConstraint);
_store.ReplaceIdentity(Identity, newIdentity);
Delete();
return ret;
}
else
{
CheckLoaded();
var ret = new DataObject(_store, newIdentity, true);
ret.BindTriples(_triples.Union(_store.GetReferencingTriples(this)).Select(t => ReplaceIdentity(t, newIdentity)), true, enforceClassUniqueConstraint);
_store.ReplaceIdentity(Identity, newIdentity);
Delete();
return ret;
}
}
public override bool BindDataObject(DataObject dataObject)
{
var triples = GetFilteredResourceStatements(_storeName, dataObject.Identity);
return dataObject.BindTriples(triples);
}
public override bool BindDataObject(DataObject dataObject)
{
IEnumerable<Triple> triples = _serverCore.GetResourceStatements(_storeName, dataObject.Identity);
return dataObject.BindTriples(triples);
}
public override bool BindDataObject(DataObject dataObject)
{
var triples = GetFilteredResourceStatements(_storeName, dataObject.Identity);
return(dataObject.BindTriples(triples));
}
public override bool BindDataObject(DataObject dataObject)
{
return(dataObject.BindTriples(GetTriplesForDataObject(dataObject.Identity)));
}
