Package com.example.blogs.app.api.reaction.repository.adapter

Class ReactionRepositoryAdapterImpl

java.lang.Object

com.example.blogs.app.api.reaction.repository.adapter.ReactionRepositoryAdapterImpl

All Implemented Interfaces:

ReactionRepositoryAdapter

@Component
public class ReactionRepositoryAdapterImpl
extends Object
implements ReactionRepositoryAdapter

Wraps reaction repository operations with exception translation for consistent error handling.

Constructor Summary

Constructors

Constructor	Description
ReactionRepositoryAdapterImpl()

Method Summary

Modifier and Type	Method	Description
ReactionEntity	findByPostIdAndUserId(Long postId, Long userId)	Finds a reaction by post ID and user ID with exception translation.
ReactionEntity	save(ReactionEntity reactionEntity)	Saves a reaction entity to the database with exception translation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ReactionRepositoryAdapterImpl

public ReactionRepositoryAdapterImpl()

Method Details

save

public ReactionEntity save(ReactionEntity reactionEntity)

Saves a reaction entity to the database with exception translation. Detects unique constraint violations and wraps repository exceptions.

Specified by:

save in interface ReactionRepositoryAdapter

Parameters:

reactionEntity - the reaction entity to save

Returns:

the saved reaction entity with generated ID

Throws:

UserHasAlreadyReactedException - if user already has a reaction on this post

FailedToSaveReactionException - if the save operation fails

findByPostIdAndUserId

public ReactionEntity findByPostIdAndUserId(Long postId,
 Long userId)

Finds a reaction by post ID and user ID with exception translation. Wraps repository exceptions in domain-specific exceptions for consistent error handling.

Specified by:

findByPostIdAndUserId in interface ReactionRepositoryAdapter

Parameters:

postId - the ID of the post

userId - the ID of the user

Returns:

the reaction entity if found

Throws:

ReactionNotFoundException - if the reaction does not exist

FailedToFindReactionException - if the find operation fails