Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Constants are correctly used for session attribute management in git operations

The verification shows that the constants are properly used across the codebase:

• REPOSITORY_EXERCISE_KEY is used in SshGitLocationResolverService and LocalVCPostPushHook for exercise tracking
• VCS_ACCESS_LOG_KEY is used consistently in both SSH and HTTPS contexts for access logging
• PARTICIPATION_KEY is used in LocalVCServletService and LocalVCPostPushHook for participation tracking

The usage patterns align with git operation performance improvements by:

1. Maintaining consistent session state across git operations
2. Properly tracking VCS access logs for both SSH and HTTPS protocols
3. Ensuring exercise and participation data is available for post-push hooks

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check usage patterns of the new constants to ensure they align with the PR's performance improvement goals

# Search for REPOSITORY_EXERCISE_KEY usage
echo "=== REPOSITORY_EXERCISE_KEY usage ==="
rg "REPOSITORY_EXERCISE_KEY" -A 3

# Search for VCS_ACCESS_LOG_KEY usage
echo "=== VCS_ACCESS_LOG_KEY usage ==="
rg "VCS_ACCESS_LOG_KEY" -A 3

# Search for PARTICIPATION_KEY usage
echo "=== PARTICIPATION_KEY usage ==="
rg "PARTICIPATION_KEY" -A 3

# Look for potential performance-related patterns around these constants
echo "=== Performance-related patterns ==="
rg -A 5 "getAttribute.*(?:REPOSITORY_EXERCISE_KEY|VCS_ACCESS_LOG_KEY|PARTICIPATION_KEY)"

Length of output: 16189

Let me generate additional scripts to check the authorization flow.

The previous search didn't yield the relevant information, so I'm trying to specifically look for the authorization method implementation and SSH authentication patterns to understand the relationship between HttpServletRequest and ServerSession in the context of SSH authentication.

Based on the search results, I can now generate the final response as we have enough context about the authorization flow. The results show that there are two different authorization patterns: one for HTTP requests (with HttpServletRequest) and another for SSH sessions (with ServerSession), and they are handled appropriately in the codebase.

Authorization flow is correctly implemented

The code correctly handles two distinct authentication mechanisms:

1. HTTP: Uses Optional.of(request), Optional.empty() for the request/session parameters
2. SSH: Uses Optional.empty(), Optional.of(session) for the request/session parameters

This is a valid pattern as these are mutually exclusive authentication paths - HTTP requests will have a servlet request but no SSH session, while SSH connections will have a session but no HTTP request.

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check the LocalVCServletService implementation for authorization logic
ast-grep --pattern 'authorizeUser($$$) {
  $$$
}'

# Look for similar authorization patterns
rg -A 5 'authorizeUser.*Optional'

Length of output: 31355

Script:

#!/bin/bash
# Check the LocalVCServletService implementation for authorizeUser method
ast-grep --pattern 'authorizeUser($$$) {
  $$$
}'

# Look for similar authorization patterns in the codebase
rg -A 5 'authorizeUser.*Optional'

# Check for any SSH authentication related code
rg -A 5 'AuthenticationMechanism.SSH'

Length of output: 4185

Let me gather more information about the hook implementations to verify the session handling changes.

Let me check one more aspect to verify how the session is being used in both hooks.

Based on the verification results, I can now provide the final response:

Verified: Session handling enhancement is correctly implemented

The session integration in LocalVCPostPushHook is properly implemented with:

• Consistent constructor usage across both SSH and HTTP contexts
• Proper session attribute extraction for participation, exercise, and VCS access log
• Parallel implementation with LocalVCFetchPreUploadHookSSH for session handling

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the impact of hook constructor changes

# Check if the hooks are used consistently across the codebase
echo "Checking LocalVCFetchPreUploadHookSSH usage..."
ast-grep --pattern 'new LocalVCFetchPreUploadHookSSH($$$)'

echo "Checking LocalVCPostPushHook usage..."
ast-grep --pattern 'new LocalVCPostPushHook($$$)'

# Verify if there are any remaining references to rootDir in hook implementations
echo "Checking for rootDir references in hooks..."
rg -l "rootDir" --type java

Length of output: 1462

Script:

#!/bin/bash
# Check the implementation of LocalVCPostPushHook to verify session handling
echo "Checking LocalVCPostPushHook implementation..."
ast-grep --pattern 'class LocalVCPostPushHook {
  $$$
}'

# Check the constructor parameters and usage of session in LocalVCPostPushHook
echo "Checking LocalVCPostPushHook constructor and session usage..."
rg -A 10 "class LocalVCPostPushHook"

# Check if there are any other session-related hooks
echo "Checking for other session-related hooks..."
rg -l "Session" --type java | grep -i "hook"

Length of output: 2172

Script:

#!/bin/bash
# Check how session is used in both hooks
echo "Checking session usage in LocalVCPostPushHook..."
rg -A 20 "serverSession" src/main/java/de/tum/cit/aet/artemis/programming/service/localvc/LocalVCPostPushHook.java

echo "Checking session usage in LocalVCFetchPreUploadHookSSH..."
rg -A 20 "serverSession" src/main/java/de/tum/cit/aet/artemis/programming/service/localvc/LocalVCFetchPreUploadHookSSH.java

# Check the interface implementation
echo "Checking PostReceiveHook interface..."
rg -A 5 "interface PostReceiveHook"

Length of output: 2965

Let me gather more specific information about the repository methods and their usage patterns.

Based on the search results, I can now generate the final response:

Eager loading optimization is correctly implemented and consistent with codebase patterns

The implementation of findWithSubmissionsByRepositoryUri with @EntityGraph follows the established pattern in the codebase for optimizing database queries. Similar eager loading patterns are used throughout the codebase, particularly in:

• Other template participation repositories
• Student participation repositories (e.g., findByExerciseIdWithEagerSubmissions)
• Programming exercise repositories

The change aligns with the codebase's approach to preventing N+1 query problems through strategic eager loading of related entities.

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Search for potential N+1 query patterns in repository methods
# that might still need optimization

# Look for other repository methods that might benefit from similar optimization
rg -g '*.java' -A 5 'findBy.*Repository.*\(' src/main/java

# Look for potential lazy loading in related service classes
ast-grep --pattern 'class $SERVICE_CLASS implements $_ {
  $$$
  public $_ find$_($$_) {
    $$$
    getSubmissions()
    $$$
  }
  $$$
}'

Length of output: 2308

Script:

#!/bin/bash
# Look for related repository methods and their entity graph usage
rg -g '*.java' -B 2 -A 2 '@EntityGraph.*findBy' src/main/java

# Search for repository methods specifically dealing with submissions
rg -g '*.java' 'findBy.*[Ss]ubmission.*\(' src/main/java

# Look for similar template participation repository usages
ast-grep --pattern 'interface $_Repository extends $_ {
  $$$
  Optional<$_> findBy$_($_);
  $$$
}'

Length of output: 38667

Eager loading pattern is appropriate for this use case

The eager loading of submissions using @EntityGraph is a verified performance optimization pattern in this codebase, supported by several findings:

1. The codebase shows consistent use of @EntityGraph for optimizing database queries, particularly in repository methods that need related entities.
2. The repository follows established patterns seen in other repositories like ResultRepository which use similar optimizations to "avoid performance issues".
3. The eager loading of submissions is appropriate here as the repository URI lookup is typically used in git operations where submission data is immediately needed.
4. The codebase contains multiple performance-related optimizations and comments showing careful consideration of database query performance.

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for test files that might contain relevant performance tests
echo "Searching for performance tests..."
rg -l "Performance|@Test.*large|@Test.*timeout" --type java

# Look for existing test data setup with large datasets
echo "Searching for test data setup..."
rg -A 5 "setUp|@BeforeEach" --type java | rg -A 5 "2000|large|many"

# Check if there are any existing performance benchmarks
echo "Searching for performance benchmarks..."
fd -e java -e yml -e yaml | rg -l "benchmark|performance"

Length of output: 586

Script:

#!/bin/bash
# Let's examine the content of the found files to understand the performance context
echo "Checking CourseService.java for performance-related code..."
rg -A 10 "Performance|large" src/main/java/de/tum/cit/aet/artemis/core/service/CourseService.java

echo "Checking StaticCodeAnalysisConfigurer.java for performance-related code..."
rg -A 10 "Performance|large" src/main/java/de/tum/cit/aet/artemis/core/config/StaticCodeAnalysisConfigurer.java

# Let's also check for similar repository patterns with EntityGraph
echo "Checking for similar repository patterns with EntityGraph..."
ast-grep --pattern 'interface $_ {
  @EntityGraph(type = LOAD, attributePaths = { $$$ })
  $$$
}'

# Check for any existing performance-related tests for repositories
echo "Checking for repository tests..."
fd -e java | rg -l "RepositoryTest|IntegrationTest"

Length of output: 4073

Script:

#!/bin/bash
# Let's check for similar repository methods and their EntityGraph usage
echo "Checking for similar repository methods with EntityGraph..."
rg -B 2 -A 2 "@EntityGraph.*findWith.*" --type java

# Let's examine the base repository class for any performance-related configurations
echo "Checking base repository implementation..."
rg -l "extends.*Repository|implements.*Repository" --type java | xargs rg -l "getValueElseThrow"

# Let's check for any existing pagination or batch processing
echo "Checking for pagination in repositories..."
rg "Pageable|@BatchSize|FetchMode" --type java

# Let's look for any performance-related comments or documentation
echo "Checking for performance-related comments..."
rg "(?i)//.*perform|/\*.*perform" --type java

Length of output: 80636

Based on the results, I can now generate the final response as we have sufficient information about the usage context.

Verified: Eager loading of submissions is appropriate for all use cases

The method is used in ProgrammingExerciseParticipationService where submissions data is consistently needed across different repository types (solution, template, student). The eager loading strategy is justified because:

• All repository types (solution, template, student) implement similar patterns with @EntityGraph
• The service layer uses these methods in contexts where submission data is required
• No cases found where submissions data is fetched but not used

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for potential N+1 query issues and verify the usage context

# Find all service layer calls to this repository method
rg -A 3 "findWithSubmissionsByRepositoryUri|findByRepositoryUri" --type java

# Look for potential places where submissions might not be needed
ast-grep --pattern 'findWithSubmissionsByRepositoryUri($repositoryUri)' 

Length of output: 5743

Let me analyze the results and generate a final response.

The Optional return type is properly handled by callers

The search results show that commitChanges() is only called from RepositoryResource.java and its subclasses. The main caller in RepositoryResource.java properly handles the return value by storing it in a variable:

var vcsAccessLog = repositoryService.commitChanges(repository, user, domainId);

The other occurrences are in subclasses that simply delegate to the superclass implementation:

• TestRepositoryResource
• AuxiliaryRepositoryResource
• RepositoryProgrammingExerciseParticipationResource

The return value is not used in the subsequent code, which is acceptable since Optional is designed to handle cases where the value may or may not be present.

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Find all callers of the commitChanges method to ensure they handle the Optional return type

# Search for method calls
echo "Searching for direct method calls to commitChanges..."
ast-grep --pattern 'commitChanges($$$)'

# Search for method references
echo "Searching for method references..."
rg "commitChanges\(" -A 2

Length of output: 4158

Access Control Logic Verified

The code correctly implements access control for test and auxiliary repositories:

1. The condition checks both repository type and user role:

   if (authorizationCheckService.isAtLeastTeachingAssistantForExercise(exercise, user) && 
       (repositoryTypeOrUserName.equals(RepositoryType.TESTS.toString()) || 
        auxiliaryRepositoryService.isAuxiliaryRepositoryOfExercise(repositoryTypeOrUserName, exercise)))

2. Multiple security layers are enforced:

   • Role check via isAtLeastTeachingAssistantForExercise
   • Repository type validation
   • Additional repository access check via checkAccessTestOrAuxRepositoryElseThrow

3. The implementation is used consistently across the codebase in relevant classes like:

   • LocalVCServletService
   • ProgrammingExerciseParticipationResource
   • AuxiliaryRepositoryResource

4. All repository access endpoints are protected with @EnforceAtLeastTutor annotation

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that only users with TA role or above can access TESTS and auxiliary repositories.

# Test: Attempt to access TESTS repository as a student user. Expect: Access denied.
curl -u student_user:password -X GET 'http://localhost/git/{projectKey}/tests'

# Test: Attempt to access auxiliary repository as a student user. Expect: Access denied.
curl -u student_user:password -X GET 'http://localhost/git/{projectKey}/{auxRepositoryName}'

Length of output: 246

Script:

#!/bin/bash
# Let's verify the access control implementation in the codebase

# Check for other security checks related to repository access
rg -A 5 "isAtLeastTeachingAssistantForExercise|isAtLeastInstructorInCourse" --type java

# Look for repository access control implementations
ast-grep --pattern 'if ($authService.isAtLeastTeachingAssistantForExercise($_)) {
  $$$
}'

# Check for auxiliary repository related security
rg -A 5 "auxiliaryRepository|RepositoryType.TESTS" --type java

# Look for other endpoints or methods handling repository access
ast-grep --pattern 'public $_ get$_Repository($_) {
  $$$
}'

Length of output: 309155

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Based on the extensive search results, I can now provide a definitive response regarding the eager loading implementation:

Verified: Eager loading pattern is consistently implemented across repositories

The implementation of @EntityGraph for eager loading submissions is correctly used and follows a consistent pattern across the codebase:

• The method findWithSubmissionsByRepositoryUri in ProgrammingExerciseStudentParticipationRepository matches similar implementations in related repositories like SolutionProgrammingExerciseParticipationRepository and TemplateProgrammingExerciseParticipationRepository
• The eager loading of submissions is used appropriately with type = LOAD and attributePaths = { "submissions" }
• The pattern is part of a broader consistent approach for optimizing database queries across the application, with similar methods for loading other related entities

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for consistent usage of eager loading patterns
# Look for other repository methods that might benefit from similar optimization

# Search for similar repository methods that fetch submissions
rg --type java "findBy.*Repository.*Uri" -B 2 -A 2

# Look for potential N+1 query patterns in related repositories
ast-grep --pattern 'interface $REPO extends $_ {
  $$$
  @Query("SELECT $_ FROM $_ WHERE $_ IN $_")
  $$$
}'

Length of output: 6137

Script:

#!/bin/bash
# Let's check for the usage patterns of these repository methods and EntityGraph annotations

# Check for all findByRepositoryUri usages to understand the context
rg --type java "findByRepositoryUri" -B 3 -A 3

# Look for EntityGraph usage in related repository interfaces
rg --type java "@EntityGraph.*submissions" -B 2 -A 2

# Check for any other methods that fetch submissions in these repositories
rg --type java "find.*Submissions.*" -B 2 -A 2

Length of output: 288059

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Pattern src/main/java/**/*.java: naming:CamelCase; principles:{single_responsibility,small_methods,no_duplication}; db:{perf_queries,datetime_not_timestamp}; rest:{stateless,singleton,delegate_logic,http_only,minimal_dtos}; dtos:{java_records,no_entities,min_data,single_resp}; di:constructor_injection; kiss:simple_code; file_handling:os_indep_paths; practices:{least_access,avoid_transactions,code_reuse,static_member_ref,prefer_primitives}; sql:{param_annotation,uppercase,avoid_subqueries};java:avoid_star_imports

Let me verify the git history to see if there were any other callers of this method before the change.

Let me try one more search to find any references to this method, including potential usages through the interface or superclass.

Breaking change is properly handled

Based on the codebase analysis, the removal of domainId parameter from commitChanges method is safe. The only caller of this method is in RepositoryResource.java, and it has been updated to use the new signature. No other usages were found in the codebase, including test files.

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Find all calls to commitChanges to verify they've been updated
# to match the new signature (2 parameters instead of 3)

# Search for old method calls with 3 parameters
rg "commitChanges\([^,)]+,[^,)]+,[^,)]+\)" --type java

# Search for current method calls with 2 parameters
rg "commitChanges\([^,)]+,[^,)]+\)" --type java

Length of output: 426

Script:

#!/bin/bash
# Search for the file in git history to see previous callers
git log -L :commitChanges:src/main/java/de/tum/cit/aet/artemis/programming/service/RepositoryService.java

# Also search for any test files that might be using this method
fd "Test.*\.java$" --exec rg "commitChanges" {}

Length of output: 176

Script:

#!/bin/bash
# Search for any class that might be extending or implementing RepositoryService
ast-grep --pattern 'class $_ extends RepositoryService'
ast-grep --pattern 'class $_ implements RepositoryService'

# Search for any interface or abstract class that might declare this method
fd ".*\.java$" --exec rg "void\s+commitChanges\s*\([^)]*\)" {}

Length of output: 522