Presentation Class Reference

Specifies how the samples representing changes to data instances are presented to a subscribing application. More...

Inherits IEquatable< Presentation >.

Public Member Functions
Presentation	With (Action< PresentationBuilder > build)
	Creates a new Presentation with a set of changes specified in an Action More...
override int	GetHashCode ()
	Gets the hash code More...
override bool	Equals (object other)
	Compares for equality More...
bool	Equals (Presentation other)
	Compares for equality More...

Properties
PresentationAccessScopeKind	AccessScope [get]
	Determines the largest scope spanning the entities for which the order and coherency of changes can be preserved. More...
bool	CoherentAccess [get]
	Specifies support for coherent access. Controls whether coherent access is supported within the scope access_scope. More...
bool	OrderedAccess [get]
	Specifies support for ordered access to the samples received at the subscription end. Controls whether ordered access is supported within the scope access_scope. More...
bool	DropIncompleteCoherentSet [get]
	Indicates whether or not a Subscription.DataReader<T> should lose samples from an incomplete coherent set (one for which not all the samples were received). Such samples are reported as lost in the SAMPLE_LOST Status. More...
static Presentation	Default [get]
	Singleton containing the default value of a Presentation More...

Detailed Description

Specifies how the samples representing changes to data instances are presented to a subscribing application.

The full documentation is available in the C API: DDS_PresentationQosPolicy

Member Function Documentation

Equals() [1/2]

override bool Equals

(

object

other

)

Compares for equality

Equals() [2/2]

bool Equals

(

Presentation

other

)

Compares for equality

GetHashCode()

override int GetHashCode

(

)

Gets the hash code

With()

Presentation With

(

Action< PresentationBuilder >

build

)

Creates a new Presentation with a set of changes specified in an Action

Parameters

build

An Action (typically a lambda function) that receives a modifiable object with the current values of this Presentation.

Returns

A new Presentation with the changes applied by the Action

Property Documentation

AccessScope

PresentationAccessScopeKind AccessScope

get

Determines the largest scope spanning the entities for which the order and coherency of changes can be preserved.

The full documentation is available in the C API: DDS_PresentationQosPolicy::access_scope

CoherentAccess

bool CoherentAccess

get

Specifies support for coherent access. Controls whether coherent access is supported within the scope access_scope.

The full documentation is available in the C API: DDS_PresentationQosPolicy::coherent_access

Default

Presentation Default

staticget

Singleton containing the default value of a Presentation

DropIncompleteCoherentSet

bool DropIncompleteCoherentSet

get

Indicates whether or not a Subscription.DataReader<T> should lose samples from an incomplete coherent set (one for which not all the samples were received). Such samples are reported as lost in the SAMPLE_LOST Status.

The full documentation is available in the C API: DDS_PresentationQosPolicy::drop_incomplete_coherent_set

OrderedAccess

bool OrderedAccess

get

Specifies support for ordered access to the samples received at the subscription end. Controls whether ordered access is supported within the scope access_scope.

The full documentation is available in the C API: DDS_PresentationQosPolicy::ordered_access