Class RedisCacheHandle<TCacheValue>

    Cache handle implementation for Redis.

    Inheritance
    Object
    BaseCache<TCacheValue>
    BaseCacheHandle<TCacheValue>
    RedisCacheHandle<TCacheValue>
    Inherited Members
    Namespace:CacheManager.Redis
    Assembly:CacheManager.StackExchange.Redis.dll
    Syntax
    public class RedisCacheHandle<TCacheValue> : BaseCacheHandle<TCacheValue>, ICache<TCacheValue>, IDisposable
    Type Parameters
    Name Description
    TCacheValue

    The type of the cache value.

    Constructors

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    RedisCacheHandle(ICacheManagerConfiguration, CacheHandleConfiguration, ILoggerFactory, ICacheSerializer)

    Initializes a new instance of the RedisCacheHandle<TCacheValue> class.

    Declaration
    public RedisCacheHandle(ICacheManagerConfiguration managerConfiguration, CacheHandleConfiguration configuration, ILoggerFactory loggerFactory, ICacheSerializer serializer)
    Parameters
    Type Name Description
    ICacheManagerConfiguration managerConfiguration

    The manager configuration.
    CacheHandleConfiguration configuration

    The cache handle configuration.
    ILoggerFactory loggerFactory

    The logger factory.
    ICacheSerializer serializer

    The serializer.

    Properties

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    Count

    Gets the number of items the cache handle currently maintains.

    Declaration
    public override int Count { get; }
    Property Value
    Type Description
    Int32

    The count.
    Overrides
    CacheManager.Core.Internal.BaseCacheHandle<TCacheValue>.Count
    Exceptions
    Type Condition
    InvalidOperationException

    No active master found.
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    Features

    Gets the features the redis server supports.

    Declaration
    public RedisFeatures Features { get; }
    Property Value
    Type Description
    StackExchange.Redis.RedisFeatures

    The server features.
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    IsDistributedCache

    Declaration
    public override bool IsDistributedCache { get; }
    Property Value
    Type Description
    Boolean
    Overrides
    CacheManager.Core.Internal.BaseCacheHandle<TCacheValue>.IsDistributedCache
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    IsLuaAllowed

    Gets a value indicating whether we can use the lua implementation instead of manual. This flag will be set automatically via feature detection based on the Redis server version or via StrictCompatibilityModeVersion if set to a version which does not support lua scripting.

    Declaration
    public bool IsLuaAllowed { get; }
    Property Value
    Type Description
    Boolean
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    Logger

    Declaration
    protected override ILogger Logger { get; }
    Property Value
    Type Description
    ILogger
    Overrides
    CacheManager.Core.Internal.BaseCache<TCacheValue>.Logger
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    Servers

    Gets the servers.

    Declaration
    public IEnumerable<IServer> Servers { get; }
    Property Value
    Type Description
    IEnumerable<StackExchange.Redis.IServer>

    The list of servers.

    Methods

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    AddInternalPrepared(CacheItem<TCacheValue>)

    Adds a value to the cache.

    Add call is synced, so might be slower than put which is fire and forget but we want to return true|false if the operation was successfully or not. And always returning true could be misleading if the item already exists

    Declaration
    protected override bool AddInternalPrepared(CacheItem<TCacheValue> item)
    Parameters
    Type Name Description
    CacheItem<TCacheValue> item

    The CacheItem to be added to the cache.
    Returns
    Type Description
    Boolean

    true if the key was not already added to the cache, false otherwise.
    Overrides
    CacheManager.Core.Internal.BaseCacheHandle<TCacheValue>.AddInternalPrepared(CacheManager.Core.CacheItem<TCacheValue>)
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    Clear()

    Clears this cache, removing all items in the base cache and all regions.

    Declaration
    public override void Clear()
    Overrides
    CacheManager.Core.Internal.BaseCache<TCacheValue>.Clear()
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    ClearRegion(String)

    Clears the cache region, removing all items from the specified region only.

    Declaration
    public override void ClearRegion(string region)
    Parameters
    Type Name Description
    String region

    The cache region.
    Overrides
    CacheManager.Core.Internal.BaseCache<TCacheValue>.ClearRegion(System.String)
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    Dispose(Boolean)

    Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

    Declaration
    protected override void Dispose(bool disposeManaged)
    Parameters
    Type Name Description
    Boolean disposeManaged

    Indicator if managed resources should be released.
    Overrides
    CacheManager.Core.Internal.BaseCacheHandle<TCacheValue>.Dispose(System.Boolean)
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    Exists(String)

    Declaration
    public override bool Exists(string key)
    Parameters
    Type Name Description
    String key
    Returns
    Type Description
    Boolean
    Overrides
    CacheManager.Core.Internal.BaseCache<TCacheValue>.Exists(System.String)
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    Exists(String, String)

    Declaration
    public override bool Exists(string key, string region)
    Parameters
    Type Name Description
    String key
    String region
    Returns
    Type Description
    Boolean
    Overrides
    CacheManager.Core.Internal.BaseCache<TCacheValue>.Exists(System.String, System.String)
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    GetCacheItemInternal(String)

    Gets a CacheItem for the specified key.

    Declaration
    protected override CacheItem<TCacheValue> GetCacheItemInternal(string key)
    Parameters
    Type Name Description
    String key

    The key being used to identify the item within the cache.
    Returns
    Type Description
    CacheItem<TCacheValue>

    The CacheItem.
    Overrides
    CacheManager.Core.Internal.BaseCache<TCacheValue>.GetCacheItemInternal(System.String)
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    GetCacheItemInternal(String, String)

    Gets a CacheItem for the specified key.

    Declaration
    protected override CacheItem<TCacheValue> GetCacheItemInternal(string key, string region)
    Parameters
    Type Name Description
    String key

    The key being used to identify the item within the cache.
    String region

    The cache region.
    Returns
    Type Description
    CacheItem<TCacheValue>

    The CacheItem.
    Overrides
    CacheManager.Core.Internal.BaseCache<TCacheValue>.GetCacheItemInternal(System.String, System.String)
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    GetCacheItemInternalNoScript(String, String)

    Declaration
    protected CacheItem<TCacheValue> GetCacheItemInternalNoScript(string key, string region)
    Parameters
    Type Name Description
    String key
    String region
    Returns
    Type Description
    CacheItem<TCacheValue>
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    PutInternal(CacheItem<TCacheValue>)

    Puts the item into the cache. If the item exists it will get updated with the new value. If the item doesn't exist, the item will be added to the cache.

    Declaration
    protected override void PutInternal(CacheItem<TCacheValue> item)
    Parameters
    Type Name Description
    CacheItem<TCacheValue> item

    The CacheItem to be added to the cache.
    Overrides
    CacheManager.Core.Internal.BaseCacheHandle<TCacheValue>.PutInternal(CacheManager.Core.CacheItem<TCacheValue>)
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    PutInternalPrepared(CacheItem<TCacheValue>)

    Puts the item into the cache. If the item exists it will get updated with the new value. If the item doesn't exist, the item will be added to the cache.

    Declaration
    protected override void PutInternalPrepared(CacheItem<TCacheValue> item)
    Parameters
    Type Name Description
    CacheItem<TCacheValue> item

    The CacheItem to be added to the cache.
    Overrides
    CacheManager.Core.Internal.BaseCacheHandle<TCacheValue>.PutInternalPrepared(CacheManager.Core.CacheItem<TCacheValue>)
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    RemoveInternal(String)

    Removes a value from the cache for the specified key.

    Declaration
    protected override bool RemoveInternal(string key)
    Parameters
    Type Name Description
    String key

    The key being used to identify the item within the cache.
    Returns
    Type Description
    Boolean

    true if the key was found and removed from the cache, false otherwise.
    Overrides
    CacheManager.Core.Internal.BaseCache<TCacheValue>.RemoveInternal(System.String)
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    RemoveInternal(String, String)

    Removes a value from the cache for the specified key.

    Declaration
    protected override bool RemoveInternal(string key, string region)
    Parameters
    Type Name Description
    String key

    The key being used to identify the item within the cache.
    String region

    The cache region.
    Returns
    Type Description
    Boolean

    true if the key was found and removed from the cache, false otherwise.
    Overrides
    CacheManager.Core.Internal.BaseCache<TCacheValue>.RemoveInternal(System.String, System.String)
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    Update(String, Func<TCacheValue, TCacheValue>, Int32)

    Declaration
    public override UpdateItemResult<TCacheValue> Update(string key, Func<TCacheValue, TCacheValue> updateValue, int maxRetries)
    Parameters
    Type Name Description
    String key
    Func<TCacheValue, TCacheValue> updateValue
    Int32 maxRetries
    Returns
    Type Description
    UpdateItemResult<TCacheValue>
    Overrides
    CacheManager.Core.Internal.BaseCacheHandle<TCacheValue>.Update(System.String, System.Func<TCacheValue, TCacheValue>, System.Int32)
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    Update(String, String, Func<TCacheValue, TCacheValue>, Int32)

    Declaration
    public override UpdateItemResult<TCacheValue> Update(string key, string region, Func<TCacheValue, TCacheValue> updateValue, int maxRetries)
    Parameters
    Type Name Description
    String key
    String region
    Func<TCacheValue, TCacheValue> updateValue
    Int32 maxRetries
    Returns
    Type Description
    UpdateItemResult<TCacheValue>
    Overrides
    CacheManager.Core.Internal.BaseCacheHandle<TCacheValue>.Update(System.String, System.String, System.Func<TCacheValue, TCacheValue>, System.Int32)
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    UpdateNoScript(String, String, Func<TCacheValue, TCacheValue>, Int32)

    Declaration
    protected UpdateItemResult<TCacheValue> UpdateNoScript(string key, string region, Func<TCacheValue, TCacheValue> updateValue, int maxRetries)
    Parameters
    Type Name Description
    String key
    String region
    Func<TCacheValue, TCacheValue> updateValue
    Int32 maxRetries
    Returns
    Type Description
    UpdateItemResult<TCacheValue>
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