Class AbpCollectionExtensions

Namespace

System.Collections.Generic

Assembly

Volo.Abp.Core.dll

Extension methods for Collections.

public static class AbpCollectionExtensions

Inheritance

object

AbpCollectionExtensions

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Methods

AddIfNotContains<T>(ICollection<T>, IEnumerable<T>)

Adds items to the collection which are not already in the collection.

public static IEnumerable<T> AddIfNotContains<T>(this ICollection<T> source, IEnumerable<T> items)

Parameters

source ICollection<T>

The collection

items IEnumerable<T>

Item to check and add

Returns

IEnumerable<T>

Returns the added items.

Type Parameters

T

Type of the items in the collection

AddIfNotContains<T>(ICollection<T>, Func<T, bool>, Func<T>)

Adds an item to the collection if it's not already in the collection based on the given predicate.

public static bool AddIfNotContains<T>(this ICollection<T> source, Func<T, bool> predicate, Func<T> itemFactory)

Parameters

source ICollection<T>

The collection

predicate Func<T, bool>

The condition to decide if the item is already in the collection

itemFactory Func<T>

A factory that returns the item

Returns

bool

Returns True if added, returns False if not.

Type Parameters

T

Type of the items in the collection

AddIfNotContains<T>(ICollection<T>, T)

Adds an item to the collection if it's not already in the collection.

public static bool AddIfNotContains<T>(this ICollection<T> source, T item)

Parameters

source ICollection<T>

The collection

item T

Item to check and add

Returns

bool

Returns True if added, returns False if not.

Type Parameters

T

Type of the items in the collection

IsNullOrEmpty<T>(ICollection<T>?)

Checks whatever given collection object is null or has no item.

public static bool IsNullOrEmpty<T>(this ICollection<T>? source)

Parameters

source ICollection<T>

Returns

bool

Type Parameters

T

RemoveAll<T>(ICollection<T>, IEnumerable<T>)

Removes all items from the collection.

public static void RemoveAll<T>(this ICollection<T> source, IEnumerable<T> items)

Parameters

source ICollection<T>

The collection

items IEnumerable<T>

Items to be removed from the list

Type Parameters

T

Type of the items in the collection

RemoveAll<T>(ICollection<T>, Func<T, bool>)

Removes all items from the collection those satisfy the given predicate.

public static IList<T> RemoveAll<T>(this ICollection<T> source, Func<T, bool> predicate)

Parameters

source ICollection<T>

The collection

predicate Func<T, bool>

The condition to remove the items

Returns

IList<T>

List of removed items

Type Parameters

T

Type of the items in the collection