Class AttributeCache

A thread-safe cache of attributes belonging to a given key (MemberInfo or Type).

The Retrieve method is the most useful one in this class as it calls the retrieval process if the type is not contained in the cache.

Inheritance

Object

AttributeCache

Inherited Members

Object.ToString()

Object.Equals(Object)

Object.Equals(Object, Object)

Object.ReferenceEquals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Namespace: Swan.Reflection

Syntax

public class AttributeCache

Constructors

AttributeCache(PropertyTypeCache)

Initializes a new instance of the AttributeCache class.

Declaration

public AttributeCache(PropertyTypeCache propertyCache = null)

Parameters

Type	Name	Description
PropertyTypeCache	propertyCache	The property cache object.

Properties

DefaultCache

Gets the default cache.

Declaration

public static Lazy<AttributeCache> DefaultCache { get; }

Property Value

Type	Description
Lazy<AttributeCache>	The default cache.

PropertyTypeCache

A PropertyTypeCache object for caching properties and their attributes.

Declaration

public PropertyTypeCache PropertyTypeCache { get; }

Property Value

Type	Description
PropertyTypeCache

Methods

Contains<T>(MemberInfo)

Determines whether [contains] [the specified member].

Declaration

public bool Contains<T>(MemberInfo member)

Parameters

Type	Name	Description
MemberInfo	member	The member.

Returns

Type	Description
Boolean	true if [contains] [the specified member]; otherwise, false.

Type Parameters

Name	Description
T	The type of the attribute to be retrieved.

Retrieve(MemberInfo, Type, Boolean)

Gets all attributes of a specific type from a member.

Declaration

public IEnumerable<object> Retrieve(MemberInfo member, Type type, bool inherit = false)

Parameters

Type	Name	Description
MemberInfo	member	The member.
Type	type	The attribute type.
Boolean	inherit	true to inspect the ancestors of element; otherwise, false.

Returns

Type	Description
IEnumerable<Object>	An array of the attributes stored for the specified type.

Retrieve<T>(MemberInfo, Boolean)

Gets specific attributes from a member constrained to an attribute.

Declaration

public IEnumerable<object> Retrieve<T>(MemberInfo member, bool inherit = false)
    where T : Attribute

Parameters

Type	Name	Description
MemberInfo	member	The member.
Boolean	inherit	true to inspect the ancestors of element; otherwise, false.

Returns

Type	Description
IEnumerable<Object>	An array of the attributes stored for the specified type.

Type Parameters

Name	Description
T	The type of the attribute to be retrieved.

Retrieve<T>(Type, Boolean)

Gets all properties an their attributes of a given type constrained to only attributes.

Declaration

public Dictionary<PropertyInfo, IEnumerable<object>> Retrieve<T>(Type type, bool inherit = false)
    where T : Attribute

Parameters

Type	Name	Description
Type	type	The type of the object.
Boolean	inherit	true to inspect the ancestors of element; otherwise, false.

Returns

Type	Description
Dictionary<PropertyInfo, IEnumerable<Object>>	A dictionary of the properties and their attributes stored for the specified type.

Type Parameters

Name	Description
T	The type of the attribute to retrieve.

RetrieveFromType<T>(Type, Boolean)

Gets all properties and their attributes of a given type.

Declaration

public Dictionary<PropertyInfo, IEnumerable<object>> RetrieveFromType<T>(Type attributeType, bool inherit = false)

Parameters

Type	Name	Description
Type	attributeType	Type of the attribute.
Boolean	inherit	true to inspect the ancestors of element; otherwise, false.

Returns

Type	Description
Dictionary<PropertyInfo, IEnumerable<Object>>	A dictionary of the properties and their attributes stored for the specified type.

Type Parameters

Name	Description
T	The object type used to extract the properties from.

RetrieveFromType<T, TAttribute>(Boolean)

Gets all properties and their attributes of a given type.

Declaration

public Dictionary<PropertyInfo, IEnumerable<object>> RetrieveFromType<T, TAttribute>(bool inherit = false)

Parameters

Type	Name	Description
Boolean	inherit	true to inspect the ancestors of element; otherwise, false.

Returns

Type	Description
Dictionary<PropertyInfo, IEnumerable<Object>>	A dictionary of the properties and their attributes stored for the specified type.

Type Parameters

Name	Description
T	The object type used to extract the properties from.
TAttribute	The type of the attribute.

RetrieveOne<T>(MemberInfo, Boolean)

Gets one attribute of a specific type from a member.

Declaration

public T RetrieveOne<T>(MemberInfo member, bool inherit = false)
    where T : Attribute

Parameters

Type	Name	Description
MemberInfo	member	The member.
Boolean	inherit	true to inspect the ancestors of element; otherwise, false.

Returns

Type	Description
T	An attribute stored for the specified type.

Type Parameters

Name	Description
T	The attribute type.

RetrieveOne<TAttribute, T>(Boolean)

Gets one attribute of a specific type from a generic type.

Declaration

public TAttribute RetrieveOne<TAttribute, T>(bool inherit = false)
    where TAttribute : Attribute

Parameters

Type	Name	Description
Boolean	inherit	if set to true [inherit].

Returns

Type	Description
TAttribute	An attribute stored for the specified type.

Type Parameters

Name	Description
TAttribute	The type of the attribute.
T	The type to retrieve the attribute.

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