public override bool Equals(object obj)
{
if (object.ReferenceEquals(this, obj))
{
return(true);
}
CompiledExpressionCacheEntry objAsEntry = obj as CompiledExpressionCacheEntry;
return(objAsEntry != null && _expressionEqualityComparer.Equals(this.Expression, objAsEntry.Expression));
}
public static T CachedCompile <T>(this Expression <T> expression)
where T : class
{
var closureTransformer = new ClosedToOpenExpressionTransformer(expression);
CompiledExpressionCacheEntry entry = new CompiledExpressionCacheEntry(closureTransformer.OpenVersion);
Delegate compiledExpression;
if (!_cache.TryGetValue(entry, out compiledExpression))
{
compiledExpression = closureTransformer.OpenVersion.Compile() as Delegate;
_cache[entry] = compiledExpression;
}
if (!closureTransformer.WasAlreadyOpen)
{
return(ClosedToOpenExpressionFactory.CreateMetaClosure <T>(compiledExpression, closureTransformer.Constants));
}
else
{
return(compiledExpression as T);
}
}