< Summary

Information

Class:	Pozitron.QuerySpecification.LikeMemoryEvaluator
Assembly:	Pozitron.QuerySpecification
File(s):	/home/runner/work/QuerySpecification/QuerySpecification/src/QuerySpecification/Evaluators/LikeMemoryEvaluator.cs
Tag:	44_11195777782

Line coverage

100%

Branch coverage

100%

Method coverage

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Metrics

Method	Branch coverage	Crap Score	Cyclomatic complexity	Line coverage
.ctor()	100%	1	1	100%
.cctor()	100%	1	1	100%
Evaluate()	100%	16	16	100%

#	Line	Line coverage
	`1`	`namespace Pozitron.QuerySpecification;`
	`2`
	`3`	`public class LikeMemoryEvaluator : IInMemoryEvaluator`
	`4`	`{`
2	`5`	`private LikeMemoryEvaluator() { }`
1	`6`	`public static LikeMemoryEvaluator Instance = new();`
	`7`
	`8`	`public IEnumerable<T> Evaluate<T>(IEnumerable<T> source, Specification<T> specification)`
	`9`	`{`
	`10`	`// There are benchmarks in QuerySpecification.Benchmarks project.`
	`11`	`// This implementation was the most efficient one.`
	`12`
58	`13`	`var groups = specification.LikeExpressions.GroupBy(x => x.Group).ToList();`
	`14`
296	`15`	`foreach (var item in source)`
	`16`	`{`
116	`17`	`var match = true;`
356	`18`	`foreach (var group in groups)`
	`19`	`{`
70	`20`	`var matchOrGroup = false;`
246	`21`	`foreach (var like in group)`
	`22`	`{`
80	`23`	`if (like.KeySelectorFunc(item)?.Like(like.Pattern) ?? false)`
	`24`	`{`
54	`25`	`matchOrGroup = true;`
54	`26`	`break;`
	`27`	`}`
	`28`	`}`
	`29`
70	`30`	`if ((match = match && matchOrGroup) is false)`
	`31`	`{`
	`32`	`break;`
	`33`	`}`
	`34`	`}`
	`35`
116	`36`	`if (match)`
	`37`	`{`
100	`38`	`yield return item;`
	`39`	`}`
	`40`	`}`
32	`41`	`}`
	`42`	`}`