Class ItemsList<TItem>

Namespace

AutoIndexCache

Assembly

AutoIndexCache.dll

A list of cached items of the type TItem. Allows to access the cache items of that type, to access unique and non-unique indexes for that type.

public class ItemsList<TItem> : IItemsList<TItem> where TItem : class

Type Parameters

TItem

The type of cached items the list contains.

Inheritance

object

ItemsList<TItem>

Implements

IItemsList<TItem>

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Remarks

All public and protected members of ItemsList<TItem> are thread-safe and may be used concurrently from multiple threads.

Methods

Fill(TItem[])

Fills this cache list with the specified items. The specified items will replace all items that are present in this list.

public void Fill(TItem[] items)

Parameters

items TItem[]

The items to fill this list with.

GetAllItems()

Gets all cached items of the type TItem.

public IReadOnlyList<TItem> GetAllItems()

Returns

IReadOnlyList<TItem>

A read-only list of all cached items of the type TItem.

Examples

var cache = new AutoIndexCache();
cache.Items<User>().Fill(this.LoadUsers());
var users = cache.Items<User>().GetAllItems();

Exceptions

ItemsListNotFilledYetException

This list has not been filled with items yet.

NonUniqueIndex<TKey>(Func<TItem, TKey?>, string)

Gets a non-unique index for the cached items of the type TItem.

public INonUniqueIndex<TItem, TKey> NonUniqueIndex<TKey>(Func<TItem, TKey?> keyExpression, string keyExpressionString = "")

Parameters

keyExpression Func<TItem, TKey>

A delegate that gets the index key for each cached item.

keyExpressionString string

The string representation of keyExpression.

Returns

INonUniqueIndex<TItem, TKey>

An instance of INonUniqueIndex<TItem, TKey> that provides access to the specified non-unique index.

Type Parameters

TKey

The type of keys in the index.

Examples

var cache = new AutoIndexCache();
cache.Items<User>().Fill(this.LoadUsers());
var usersOfGroup1 = cache.Items<User>().NonUniqueIndex(a => a.GroupId).GetAll(1);
var activeUsersOfGroup10 = cache.Items<User>().NonUniqueIndex(a => new { a.IsActive, a.GroupId}).GetItems(new { IsActive = true, GroupId = 10 });

UniqueIndex<TKey>(Func<TItem, TKey?>, string)

Gets a unique index for the cached items of the type TItem.

public IUniqueIndex<TItem, TKey> UniqueIndex<TKey>(Func<TItem, TKey?> keyExpression, string keyExpressionString = "")

Parameters

keyExpression Func<TItem, TKey>

A delegate that gets the index key for each cached item.

keyExpressionString string

The string representation keyExpression.

Returns

IUniqueIndex<TItem, TKey>

An instance of IUniqueIndex<TItem, TKey> that provides access to the specified unique index.

Type Parameters

TKey

The type of keys in the index.

Examples

var cache = new AutoIndexCache();
cache.Items<User>().Fill(this.LoadUsers());
var user1 = cache.Items<User>().UniqueIndex(a => a.Id).GetItemOrDefault(1);