Adjust thumbnail operations to actual state

Signed-off-by: Zai Müller-Zhang <[email protected]>

basyx.aasrepository/basyx.aasrepository-core/src/test/java/org/eclipse/digitaltwin/basyx/aasrepository/AasRepositorySuite.java

@@ -336,7 +336,7 @@ public static Reference createDummyReference(String submodelId) {
 	}
 
 	private AssetInformation createDummyAssetInformation() {
-		return new DefaultAssetInformation.Builder().assetKind(AssetKind.INSTANCE).globalAssetID("assetIDTestKey").build();
+		return new DefaultAssetInformation.Builder().assetKind(AssetKind.INSTANCE).globalAssetId("assetIDTestKey").build();
 	}
 
 	/**

basyx.aasrepository/basyx.aasrepository-feature-registry-integration/src/main/java/org/eclipse/digitaltwin/basyx/aasrepository/feature/registry/integration/RegistryIntegrationAasRepository.java

@@ -24,6 +24,8 @@
  ******************************************************************************/
 package org.eclipse.digitaltwin.basyx.aasrepository.feature.registry.integration;
 
+import java.io.File;
+import java.io.InputStream;
 import java.util.List;
 
 import org.eclipse.digitaltwin.aas4j.v3.model.AssetAdministrationShell;
@@ -168,4 +170,19 @@ private boolean shellExistsOnRegistry(String shellId, RegistryAndDiscoveryInterf
 		}
 	}
 
+	@Override
+	public File getThumbnail(String aasId) {
+		return decorated.getThumbnail(aasId);
+	}
+
+	@Override
+	public void setThumbnail(String aasId, String fileName, String contentType, InputStream inputStream) {
+		decorated.setThumbnail(aasId, fileName, contentType, inputStream);
+	}
+
+	@Override
+	public void deleteThumbnail(String aasId) {
+		decorated.deleteThumbnail(aasId);
+	}
+
 }