diff --git a/application/src/Domain/RightManagement/RightChecker.php b/application/src/Domain/RightManagement/RightChecker.php
new file mode 100644
index 0000000..651fbd4
--- /dev/null
+++ b/application/src/Domain/RightManagement/RightChecker.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Domain\RightManagement;
+
+use App\Entity\Meta\RightInterface;
+use Doctrine\Common\Collections\Collection;
+use App\Entity\Source\SourceInterface;
+use App\Domain\SourceManagement\SourceMemberInformation;
+
+/**
+ * @author kevinfrantz
+ */
+final class RightChecker implements RightCheckerInterface
+{
+    /**
+     * @var RightInterface
+     */
+    private $right;
+
+    /**
+     * @var Collection|SourceInterface[]
+     */
+    private $allSourcesToWhichRightApplies;
+
+    /**
+     * Calling this function in the constructor can lead to side effects when the source changes!
+     * @todo Implement a clean solution!
+     */
+    private function setAllSourcesToWhichRightApplies(): void
+    {
+        $rightSourceMemberInformation = new SourceMemberInformation($this->right->getSource());
+        $this->allSourcesToWhichRightApplies = clone ($rightSourceMemberInformation->getAllMembers());
+        $this->allSourcesToWhichRightApplies->add($this->right->getSource());
+    }
+
+    private function hasSource(SourceInterface $source): bool
+    {
+        return $this->allSourcesToWhichRightApplies->contains($source);   
+    }
+    
+    private function isLayerEqual(string $layer):bool{
+        return ($this->right->getLayer() === $layer);
+    }
+    
+    private function isTypeEqual(string $type):bool{
+        return ($this->right->getType() === $type);
+    }
+    
+    private function checkPermission():bool{
+        return $this->right->getGrant();
+    }
+
+    public function __construct(RightInterface $right)
+    {
+        $this->right = $right;
+        $this->setAllSourcesToWhichRightApplies();
+    }
+
+    public function isGranted(string $layer, string $type, SourceInterface $source): bool
+    {
+        return ($this->isLayerEqual($layer) && $this->isTypeEqual($type) && $this->hasSource($source) && $this->checkPermission());
+    }
+}
diff --git a/application/src/Domain/RightManagement/RightCheckerInterface.php b/application/src/Domain/RightManagement/RightCheckerInterface.php
new file mode 100644
index 0000000..bc00fdb
--- /dev/null
+++ b/application/src/Domain/RightManagement/RightCheckerInterface.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Domain\RightManagement;
+
+use App\Entity\Source\SourceInterface;
+
+interface RightCheckerInterface
+{
+    public function isGranted(string $layer, string $type, SourceInterface $source): bool;
+}
diff --git a/application/tests/Unit/Domain/RightManagement/RightCheckerTest.php b/application/tests/Unit/Domain/RightManagement/RightCheckerTest.php
new file mode 100644
index 0000000..9ca280d
--- /dev/null
+++ b/application/tests/Unit/Domain/RightManagement/RightCheckerTest.php
@@ -0,0 +1,61 @@
+<?php
+namespace Tests\Unit\Domain\RightManagement;
+
+use PHPUnit\Framework\TestCase;
+use App\Entity\Meta\RightInterface;
+use App\Entity\Meta\Right;
+use App\Entity\Source\SourceInterface;
+use App\Entity\Source\AbstractSource;
+use App\DBAL\Types\LayerType;
+use App\Domain\RightManagement\RightCheckerInterface;
+use App\Domain\RightManagement\RightChecker;
+use App\DBAL\Types\RightType;
+
+class RightCheckerTest extends TestCase
+{
+    /**
+     * @var SourceInterface
+     */
+    private $source;
+    
+    /**
+     * @var RightInterface
+     */
+    private $right;
+    
+    /**
+     * @var RightCheckerInterface
+     */
+    private $rightManager;
+    
+    private function getSourceMock():SourceInterface{
+        return new class extends AbstractSource{};
+    }
+    
+    public function setUp():void{
+        $this->right = new Right();
+        $this->source = $this->getSourceMock();
+        $this->right->setSource($this->source);
+        $this->rightManager = new RightChecker($this->right);
+    }
+    
+    public function testFirstDimension():void{
+        $layer = LayerType::RELATION;
+        $type = RightType::READ;
+        $this->right->setType($type);
+        $this->right->setLayer($layer);
+        $granted = $this->rightManager->isGranted($layer, $type, $this->source);
+        $this->assertTrue($granted);
+        $notGranted = $this->rightManager->isGranted(LayerType::SOURCE, $type, $this->source);
+        $this->assertFalse($notGranted);
+        $notGranted2 = $this->rightManager->isGranted($layer, RightType::WRITE, $this->source);
+        $this->assertFalse($notGranted2);
+        $this->right->setGrant(false);
+        $notGranted3 = $this->rightManager->isGranted($layer, $type, $this->source);
+        $this->assertFalse($notGranted3);
+    }
+    
+//     public function testSecondDimension():void{
+        
+//     }
+}
\ No newline at end of file