Class ExpressionInterningCache

A concurrent cache for LINQ expression trees.

Inheritance
System.Object
ExpressionInterningCache
Namespace: System.Linq.Expressions
Assembly: Nuqleon.Linq.CompilerServices.dll
Syntax
public class ExpressionInterningCache : Object, IExpressionInterningCache

Constructors

ExpressionInterningCache()

Instantiates a concurrent cache for LINQ expression trees using the default expression equality comparison strategy.

Declaration
public ExpressionInterningCache()

ExpressionInterningCache(Func<ExpressionEqualityComparator>)

Instantiates a concurrent cache for LINQ expression trees using the given expression equality comparison strategy.

Declaration
public ExpressionInterningCache(Func<ExpressionEqualityComparator> comparatorFactory)
Parameters
Type Name Description
System.Func<ExpressionEqualityComparator> comparatorFactory

A factory to generate expression equality comparers.

Properties

Count

Gets the number of entries in the cache.

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

Methods

Clear()

Clears the cache.

Declaration
public void Clear()

GetOrAdd(Expression)

Rewrites the given expression tree with nodes from the cache.

Declaration
public Expression GetOrAdd(Expression expression)
Parameters
Type Name Description
System.Linq.Expressions.Expression expression

The expression to rewrite.
Returns
Type Description
System.Linq.Expressions.Expression

An equivalent expression with pre-cached nodes replacing nodes in the given tree.
Remarks

As a side-effect, adds each new node to the cache.

Implements