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Class FastDictionaryAppCacheBase

Provides a base class to fast, dictionary-based IAppCache implementations.

Inheritance
System.Object
Namespace: Umbraco.Cms.Core.Cache
Assembly: Umbraco.Core.dll
Syntax
public abstract class FastDictionaryAppCacheBase : IAppCache

Fields

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CacheItemPrefix

Declaration
protected const string CacheItemPrefix = "umbrtmche"
Field Value
Type Description
System.String

Methods

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Clear()

Removes all items from the cache.

Declaration
public virtual void Clear()
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Clear(String)

Removes an item identified by its key from the cache.

Declaration
public virtual void Clear(string key)
Parameters
Type Name Description
System.String key

The key of the item.
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ClearByKey(String)

Clears items with a key starting with the specified value.

Declaration
public virtual void ClearByKey(string keyStartsWith)
Parameters
Type Name Description
System.String keyStartsWith

The StartsWith value to use in the search.
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ClearByRegex(String)

Clears items with a key matching a regular expression.

Declaration
public virtual void ClearByRegex(string regex)
Parameters
Type Name Description
System.String regex

The regular expression.
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ClearOfType(Nullable<Type>)

Declaration
public virtual void ClearOfType(Type? type)
Parameters
Type Name Description
System.Nullable<Type> type
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ClearOfType<T>()

Removes items of a specified type from the cache.

Declaration
public virtual void ClearOfType<T>()
Type Parameters
Name Description
T

The type of the items to remove.
Remarks

If the type is an interface, then all items of a type implementing that interface are removed. Otherwise, only items of that exact type are removed (items of type inheriting from the specified type are not removed).

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ClearOfType<T>(Func<String, T, Boolean>)

Removes items of a specified type from the cache.

Declaration
public virtual void ClearOfType<T>(Func<string, T, bool> predicate)
Parameters
Type Name Description
Func<System.String, T, System.Boolean> predicate

The predicate to satisfy.
Type Parameters
Name Description
T

The type of the items to remove.
Remarks

If the type is an interface, then all items of a type implementing that interface are removed. Otherwise, only items of that exact type are removed (items of type inheriting from the specified type are not removed).

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EnterReadLock()

Declaration
protected abstract void EnterReadLock()
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EnterWriteLock()

Declaration
protected abstract void EnterWriteLock()
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ExitReadLock()

Declaration
protected abstract void ExitReadLock()
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ExitWriteLock()

Declaration
protected abstract void ExitWriteLock()
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Get(String)

Gets an item identified by its key.

Declaration
public virtual object Get(string key)
Parameters
Type Name Description
System.String key

The key of the item.
Returns
Type Description
System.Object

The item, or null if the item was not found.
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Get(String, Func<Object>)

Gets or creates an item identified by its key.

Declaration
public abstract object Get(string key, Func<object> factory)
Parameters
Type Name Description
System.String key

The key of the item.
Func<System.Object> factory

A factory function that can create the item.
Returns
Type Description
System.Object

The item.
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GetCacheKey(String)

Declaration
protected string GetCacheKey(string key)
Parameters
Type Name Description
System.String key
Returns
Type Description
System.String
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GetDictionaryEntries()

Declaration
protected abstract IEnumerable<KeyValuePair<object, object>> GetDictionaryEntries()
Returns
Type Description
IEnumerable<KeyValuePair<System.Object, System.Object>>
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GetEntry(String)

Declaration
protected abstract object GetEntry(string key)
Parameters
Type Name Description
System.String key
Returns
Type Description
System.Object
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RemoveEntry(String)

Declaration
protected abstract void RemoveEntry(string key)
Parameters
Type Name Description
System.String key
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SearchByKey(String)

Gets items with a key starting with the specified value.

Declaration
public virtual IEnumerable<object> SearchByKey(string keyStartsWith)
Parameters
Type Name Description
System.String keyStartsWith

The StartsWith value to use in the search.
Returns
Type Description
IEnumerable<System.Object>

Items matching the search.
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SearchByRegex(String)

Gets items with a key matching a regular expression.

Declaration
public virtual IEnumerable<object> SearchByRegex(string regex)
Parameters
Type Name Description
System.String regex

The regular expression.
Returns
Type Description
IEnumerable<System.Object>

Items matching the search.