C# Class Google.ProtocolBuffers.FieldSet

A class which represents an arbitrary set of fields of some message type. This is used to implement DynamicMessage, and also to represent extensions in GeneratedMessage. This class is internal, since outside users should probably be using DynamicMessage. As in the Java implementation, this class goes against the rest of the framework in terms of mutability. Instead of having a mutable Builder class and an immutable FieldSet class, FieldSet just has a MakeImmutable() method. This is safe so long as all callers are careful not to let a mutable FieldSet escape into the open. This would be impossible to guarantee if this were a public class, of course. All repeated fields are stored as IList[object] even TODO(jonskeet): Finish this comment!

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Private Properties

Property	Type	Description
AddRepeatedField	void
Clear	void
FieldSet	System
GetEnumerator	object>>.IEnumerator
IsInitializedWithRespectTo	bool
MakeImmutable	FieldSet
MergeFields	void
VerifyType	void
this	object
this	object

Public Methods

Method	Description
ClearField ( FieldDescriptor field ) : void	See IBuilder{TMessage, TBuilder}.ClearField
CreateInstance ( ) : FieldSet
GetRepeatedFieldCount ( FieldDescriptor field ) : int	See IMessage.GetRepeatedFieldCount
HasField ( FieldDescriptor field ) : bool	See IMessage.HasField.
MergeFrom ( FieldSet other ) : void	Like MergeFrom(IMessage), but merges from another `FieldSet`.
MergeFrom ( IMessage other ) : void	See IBuilder{TMessage, TBuilder}.MergeFrom(IMessage)
WriteField ( FieldDescriptor field, Object value, CodedOutputStream output ) : void	Writes a single field to a CodedOutputStream.
WriteTo ( CodedOutputStream output ) : void	See IMessage.WriteTo(CodedOutputStream).

Private Methods

Method	Description
AddRepeatedField ( FieldDescriptor field, object value ) : void	See IBuilder{TMessage, TBuilder}.AddRepeatedField
Clear ( ) : void	Clears all fields.
FieldSet ( object>.IDictionary fields ) : System
GetEnumerator ( ) : object>>.IEnumerator	Returns an enumerator for the field map. Used to write the fields out.
IsInitializedWithRespectTo ( MessageDescriptor type ) : bool	Verifies whether all the required fields in the specified message descriptor are present in this field set, as well as whether all the embedded messages are themselves initialized.
MakeImmutable ( ) : FieldSet	Makes this FieldSet immutable, and returns it for convenience. Any mutable repeated fields are made immutable, as well as the map itself.
MergeFields ( object>.IEnumerable otherFields ) : void	Implementation of both `MergeFrom` methods.
VerifyType ( FieldDescriptor field, object value ) : void	Verifies that the given object is of the correct type to be a valid value for the given field. For repeated fields, this checks if the object is of the right element type, not whether it's a list.
this ( FieldDescriptor field ) : object	See IMessage.Item(FieldDescriptor) If the field is not set, the behaviour when fetching this property varies by field type: For singular message values, null is returned. For singular non-message values, the default value of the field is returned. For repeated values, an empty immutable list is returned. This will be compatible with IList[object], regardless of the type of the repeated item. This method returns null if the field is a singular message type and is not set; in this case it is up to the caller to fetch the message's default instance. For repeated fields of message types, an empty collection is returned. For repeated fields of non-message types, null is returned. When setting this property, any list values are copied, and each element is checked to ensure it is of an appropriate type.
this ( FieldDescriptor field, int index ) : object	See IMessage.Item(FieldDescriptor,int)

Method Details

ClearField() public method

See IBuilder{TMessage, TBuilder}.ClearField

public ClearField ( FieldDescriptor field ) : void
field	FieldDescriptor
return	void

CreateInstance() public static method

public static CreateInstance ( ) : FieldSet
return	FieldSet

GetRepeatedFieldCount() public method

See IMessage.GetRepeatedFieldCount

public GetRepeatedFieldCount ( FieldDescriptor field ) : int
field	FieldDescriptor
return	int

HasField() public method

See IMessage.HasField.

public HasField ( FieldDescriptor field ) : bool
field	FieldDescriptor
return	bool

MergeFrom() public method

Like MergeFrom(IMessage), but merges from another FieldSet.

public MergeFrom ( FieldSet other ) : void
other	FieldSet
return	void

MergeFrom() public method

See IBuilder{TMessage, TBuilder}.MergeFrom(IMessage)

public MergeFrom ( IMessage other ) : void
other	IMessage
return	void

WriteField() public method

Writes a single field to a CodedOutputStream.

public WriteField ( FieldDescriptor field, Object value, CodedOutputStream output ) : void
field	FieldDescriptor
value	Object
output	CodedOutputStream
return	void

WriteTo() public method

See IMessage.WriteTo(CodedOutputStream).

public WriteTo ( CodedOutputStream output ) : void
output	CodedOutputStream
return	void