feat: add getRoleManager() and benchmark the role manager

[seriouszyx]

Signed-off-by: Yixiang Zhao seriouszyx@foxmail.com

#285 greatly optimizes the read performance.

benchmark results as below.

Previous

Benchmark                                                            Mode  Cnt         Score        Error  Units
BenchmarkRoleManager.buildRoleLinksWithDomainPatternLarge            avgt    3    388238.708 ±  74073.914  ns/op
BenchmarkRoleManager.buildRoleLinksWithPatternAndDomainPatternLarge  avgt    3    385646.841 ± 121960.052  ns/op
BenchmarkRoleManager.buildRoleLinksWithPatternLarge                  avgt    3    389432.527 ±  84891.800  ns/op
BenchmarkRoleManager.hasLinkWithDomainPatternLarge                   avgt    3     22438.181 ±   6081.470  ns/op
BenchmarkRoleManager.hasLinkWithPatternAndDomainPatternLarge         avgt    3  32539211.688 ± 726439.161  ns/op
BenchmarkRoleManager.hasLinkWithPatternLarge                         avgt    3    271573.056 ±  87480.915  ns/op
BenchmarkRoleManager.roleManagerLarge                                avgt    3    986304.711 ± 443216.069  ns/op
BenchmarkRoleManager.roleManagerMedium                               avgt    3     75812.648 ±  39482.414  ns/op
BenchmarkRoleManager.roleManagerSmall                                avgt    3      8637.022 ±   1424.933  ns/op

Current

Benchmark                                                            Mode  Cnt          Score          Error  Units
BenchmarkRoleManager.buildRoleLinksWithDomainPatternLarge            avgt    3    4647258.438 ±   427177.263  ns/op
BenchmarkRoleManager.buildRoleLinksWithPatternAndDomainPatternLarge  avgt    3  429547769.444 ± 99949898.718  ns/op
BenchmarkRoleManager.buildRoleLinksWithPatternLarge                  avgt    3  430363173.430 ± 83260148.321  ns/op
BenchmarkRoleManager.hasLinkWithDomainPatternLarge                   avgt    3        102.557 ±        1.827  ns/op
BenchmarkRoleManager.hasLinkWithPatternAndDomainPatternLarge         avgt    3        543.531 ±       29.553  ns/op
BenchmarkRoleManager.hasLinkWithPatternLarge                         avgt    3        540.807 ±        4.678  ns/op
BenchmarkRoleManager.roleManagerLarge                                avgt    3    1589462.918 ±    73110.261  ns/op
BenchmarkRoleManager.roleManagerMedium                               avgt    3     134077.173 ±    14764.067  ns/op
BenchmarkRoleManager.roleManagerSmall                                avgt    3      12922.454 ±     2646.040  ns/op

[casbin-bot]

@tangyang9464 @imp2002 please review

[tangyang9464]

@seriouszyx Can you add getNamedRoleManager and setNamedRoleManager？

[seriouszyx]

@tangyang9464 done

[tangyang9464]

lgtm

[github-actions]

🎉 This PR is included in version 1.27.0 🎉

The release is available on:

• GitHub release
• v1.27.0

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