Class CachedIvExpressionParser<T, TQuery, TFilter>

Defines a Cached IvExpressionParser that is able to cache the information based on the requested query

Inheritance
System.Object
ExpressionVisitor
IvExpressionParser<T, TQuery, TFilter>
CachedIvExpressionParser<T, TQuery, TFilter>
MediaExpressionParser<TMedia, TMediaFormat>
MediaExpressionParser<TMedia, TMediaFormat>
MediaItemExpressionParser<T>
MediaItemExpressionParser<T>
Implements
Inherited Members
Namespace: ImageVault.Client.Query.Parser
Assembly: ImageVault.Client.dll
Syntax
public abstract class CachedIvExpressionParser<T, TQuery, TFilter> : IvExpressionParser<T, TQuery, TFilter>, IIvExpressionParser<TQuery>, IIvExpressionParser where TQuery : IIVQuery<TFilter>, new()
    where TFilter : IIVFilter
Type Parameters
Name Description
T
TQuery
TFilter
Remarks

Implement the ConstructCacheKey(Type) method to return a cache key if the result should be cached and GetNotCachedResultFromServer(Type) to return the actual result

Constructors

CachedIvExpressionParser(ImageVaultClientOptions, ClientCacheTypes, IObjectCache)

Initializes a new instance of the CachedIvExpressionParser<T, TQuery, TFilter> class.

Declaration
protected CachedIvExpressionParser(ImageVaultClientOptions options, ClientCacheTypes clientCacheType, IObjectCache objectCache)
Parameters
Type Name Description
ImageVaultClientOptions options
ClientCacheTypes clientCacheType
IObjectCache objectCache

Properties

CachePolicy

Gets the ClientCachePolicy of the CachedIVExpressionParser

Declaration
protected ClientCachePolicy CachePolicy { get; }
Property Value
Type Description
ClientCachePolicy

Methods

ConstructCacheKey(Type)

Construct a cache key for the call to GetResultFromServer

Declaration
protected abstract string ConstructCacheKey(Type type)
Parameters
Type Name Description
System.Type type
Returns
Type Description
System.String

The key to be used to cache the result or null if the result shouldn't be cached

GetNotCachedResultFromServer(Type)

Gets the non cached result from the server

Declaration
protected abstract IQueryable GetNotCachedResultFromServer(Type type)
Parameters
Type Name Description
System.Type type
Returns
Type Description
System.Linq.IQueryable

GetResultFromServer(Type)

Checks the cache and uses the cached information if any exists.

Declaration
public override IQueryable GetResultFromServer(Type type)
Parameters
Type Name Description
System.Type type
Returns
Type Description
System.Linq.IQueryable
Overrides
ImageVault.Client.Query.Parser.IvExpressionParser<T, TQuery, TFilter>.GetResultFromServer(System.Type)

Implements

Extension Methods