/// <summary>
/// Create a collection backed from a <see cref="ReactiveList{T}"/>
/// </summary>
/// <typeparam name="TItem">The type of item stored.</typeparam>
/// <typeparam name="TKey">The key type</typeparam>
/// <param name="readPageObservable"></param>
/// <param name="keySelector"></param>
/// <param name="maxPageSize"></param>
/// <param name="onException"></param>
/// <param name="collectionTouchedStrategy"></param>
/// <returns></returns>
/// <remarks>Uses a <see cref="KeyedReactiveListBacked{TItem,TKey}"/> using the provided onException and maxPageSize values.</remarks>
public static ReadOnlyCollectionFromBackingStore <TItem> FromKeyedReactiveListPager <TItem, TKey>(Func <PageReadRequest, IObservable <PageReadResult <TItem> > > readPageObservable, Func <TItem, TKey> keySelector, int maxPageSize = 10, Func <PageReadRequest, Exception, IObservable <bool> > onException = null,
ICollectionItemTouchedStrategy collectionTouchedStrategy = null)
where TItem : class
{
// create the provider of the changesets
var provider = KeyedReactiveListBacked.FromObservable(readPageObservable, keySelector, maxPageSize, onException);
// this is our list which acts as the backing store for the above stuff...
return(Create(provider, collectionTouchedStrategy));
}
public KeyedReactiveListChangeSetProviderTests()
{
var scheduler = Scheduler.Immediate;
_pagingController = new Mock <IPagingController <CollectionModel> >();
_pagingController.Setup(p => p.MaxPageSize).Returns(DefaultPageSize);
_provider = new KeyedReactiveListBacked <CollectionModel, string>(_pagingController.Object, (m) => m.Key, scheduler, scheduler);
_itemFirstSet = new List <CollectionModel>()
{
new CollectionModel()
{
Key = "Key#1", Instance = "1"
},
new CollectionModel()
{
Key = "Key#2", Instance = "1"
}
};
_itemSecondSet = new List <CollectionModel>()
{
new CollectionModel()
{
Key = "Key#3", Instance = "1"
},
new CollectionModel()
{
Key = "Key#4", Instance = "1"
}
};
_itemReplacementFirstSet = new List <CollectionModel>()
{
new CollectionModel()
{
Key = "Key#1", Instance = "2"
},
new CollectionModel()
{
Key = "Key#2", Instance = "2"
}
};
_itemReplacementSecondSet = new List <CollectionModel>()
{
new CollectionModel()
{
Key = "Key#3", Instance = "2"
},
};
}
