Ditto  1.0.14
Public Member Functions | Public Attributes | List of all members
ditto::CollectionsEvent Class Reference

Provides information about the changes that have occurred in relation to an event delivered when observing the collections in a Store. More...

Public Member Functions

 CollectionsEvent (const CollectionsEvent &)=delete
 
CollectionsEventoperator= (const CollectionsEvent &)=delete
 
 CollectionsEvent (CollectionsEvent &&) noexcept=default
 

Public Attributes

bool is_initial
 
std::vector< Collectioncollections
 
std::vector< Collectionold_collections
 
std::vector< std::size_t > insertions
 
std::vector< std::size_t > deletions
 
std::vector< std::size_t > updates
 
std::vector< LiveQueryMovemoves
 

Detailed Description

Provides information about the changes that have occurred in relation to an event delivered when observing the collections in a Store.

It contains information about the collections that are known about as well as the collections that were previously known about in the previous event, along with information about what collections have been inserted, deleted, updated, or moved since the last event.

Member Data Documentation

◆ collections

std::vector<Collection> ditto::CollectionsEvent::collections

A list of all of the known collections.

◆ deletions

std::vector<std::size_t> ditto::CollectionsEvent::deletions

A list of the indexes in the list of previously known about collections at which collections have been removed.

◆ insertions

std::vector<std::size_t> ditto::CollectionsEvent::insertions

A list of the indexes in the list of currently known about collections at which new collections have been inserted.

◆ is_initial

bool ditto::CollectionsEvent::is_initial

Indicates whether or not this is the first event to be delivered when observing collections in the store.

◆ moves

std::vector<LiveQueryMove> ditto::CollectionsEvent::moves

A list of the tuples that provides the indexes, in relation to the list of previously known about collections, that already known about collections have moved from and the indexes, in relation to the list of currently known about collections, that the collections have moved to.

◆ old_collections

std::vector<Collection> ditto::CollectionsEvent::old_collections

A list of all of the known collections at the time the previous event was delivered.

◆ updates

std::vector<std::size_t> ditto::CollectionsEvent::updates

A list of the indexes in the list of currently known about collections at which pre-existing collections have been updated.