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Method ContainsBulk

ContainsBulk(IEnumerable<String>)

Determines whether the cache contains specifiec keys.

Declaration
IDictionary<string, bool> ContainsBulk(IEnumerable<string> keys)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<System.String> keys

IEnumerable collection of keys.

Returns
Type Description
System.Collections.Generic.IDictionary<System.String, System.Boolean>

Dictionary of Keys with flag to dertermine presence of each key in cache. true if the ICache contains an element with the specified key; otherwise, false.

Remarks

Note: In a partitioned cluster this operation is an expensive one as it might result in network calls. It is therefore advised to use this property only when required.

Examples

The following example demonstrates how to check for containment of an item in the ICache.

ICache cache = CacheManager.GetCache("demoCache");

List<string> keys = new List<string>()
{
    "Product0",
    "Product1"
};

IDictionary<string, bool> result = cache.ContainsBulk(list);
Exceptions
Type Condition
System.ArgumentNullException

keys contains a null reference.

System.ArgumentException

keys is not serializable.

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