public void TestRemove()
{
Document d = new Document();
d["one"] = 1;
d.Remove("one");
Assert.IsFalse(d.Contains("one"));
}
/// <summary>
/// Constructs a DBRef from a document that matches the DBref specification.
/// </summary>
public DBRef(Document document)
{
if(IsDocumentDBRef(document) == false) throw new ArgumentException("Document is not a valid DBRef");
collectionName = (String)document[RefName];
id = document[IdName];
this.document = document;
if(document.Contains("metadata")) this.MetaData = (Document)document["metadata"];
}
/// <summary>
/// TODO Fix any accidental reordering issues.
/// </summary>
/// <param name="dest"></param>
public void CopyTo(Document dest)
{
foreach (String key in orderedKeys) {
if (dest.Contains (key))
dest.Remove (key);
dest[key] = this[key];
}
}
public void TestClearRemovesAll()
{
Document d = new Document();
d["one"] = 1;
d.Add("two", 2);
d["three"] = 3;
Assert.AreEqual(3,d.Count);
d.Clear();
Assert.AreEqual(0, d.Count);
Assert.IsNull(d["one"]);
Assert.IsFalse(d.Contains("one"));
}
/// <summary>
/// Updates a document with the data in doc as found by the selector.
/// </summary>
/// <remarks>
/// _id will be used in the document to create a selector. If it isn't in
/// the document then it is assumed that the document is new and an upsert is sent to the database
/// instead.
/// </remarks>
public void Update(Document doc)
{
//Try to generate a selector using _id for an existing document.
//otherwise just set the upsert flag to 1 to insert and send onward.
Document selector = new Document();
int upsert = 0;
if (doc.Contains("_id") & doc["_id"] != null)
{
selector["_id"] = doc["_id"];
}
else
{
//Likely a new document
doc.Prepend("_id", oidGenerator.Generate());
upsert = 1;
}
this.Update(doc, selector, upsert);
}
public Document SendCommand(Document cmd)
{
Document result = this.command.FindOne(cmd);
double ok = (double)result["ok"];
if (ok != 1.0)
{
string msg;
if (result.Contains("msg"))
{
msg = (string)result["msg"];
}
else
{
msg = string.Empty;
}
throw new MongoCommandException(msg, result, cmd);
}
return(result);
}
public void Update(Document doc)
{
//Try to generate a selector using _id for an existing document.
//otherwise just set the upsert flag to 1 to insert and send onward.
Document selector = new Document();
int upsert = 0;
if(doc.Contains("_id") & doc["_id"] != null){
selector["_id"] = doc["_id"];
}else{
//Likely a new document
doc["_id"] = oidGenerator.Generate();
upsert = 1;
}
this.Update(doc, selector, upsert);
}
//If _id exists but has changed save new object
private void UpdateObjectAlwaysUpsert(string collectionName, Document doc, Mong db)
{
if(doc.Contains("_id") && doc["_id"] != null)
{
var selector = new Document();
selector["_id"] = doc["_id"];
db[DataBaseName][collectionName].Update(doc,selector,1);
}
else
db[DataBaseName][collectionName].Update(doc);
}
/// <summary>
/// Determines whether the specified document is error.
/// </summary>
/// <param name="document">The document.</param>
/// <returns>
/// <c>true</c> if the specified document is error; otherwise, <c>false</c>.
/// </returns>
public static bool IsError(Document document)
{
if(document.Contains("err") && document["err"] != DBNull.Value)
return true;
return false;
}
public static bool IsDocumentDBRef(Document doc)
{
return doc != null && doc.Contains(RefName) && doc.Contains(IdName);
}
public static bool IsDocumentDBRef(Document doc)
{
return doc.Contains("$ref") && doc.Contains("$id");
}
public static bool IsDocumentDBRef(Document doc)
{
return(doc != null && doc.Contains(DBRef.RefName) && doc.Contains(DBRef.IdName));
}
public Boolean DropDatabase()
{
Document result = db.SendCommand("dropDatabase");
return(result.Contains("ok") && ((double)result["ok"] == 1));
}
public Boolean DropCollection(String name)
{
Document result = db.SendCommand(new Document().Append("drop", name));
return(result.Contains("ok") && ((double)result["ok"] == 1));
}