Generate question bank domain model from JDL

src/main/java/com/example/questionbank/service/ExamAnswerService.java

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+package com.example.questionbank.service;
+
+import com.example.questionbank.domain.ExamAnswer;
+import com.example.questionbank.repository.ExamAnswerRepository;
+import com.example.questionbank.service.dto.ExamAnswerDTO;
+import com.example.questionbank.service.mapper.ExamAnswerMapper;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+/**
+ * Service Implementation for managing {@link com.example.questionbank.domain.ExamAnswer}.
+ */
+@Service
+@Transactional
+public class ExamAnswerService {
+
+    private static final Logger LOG = LoggerFactory.getLogger(ExamAnswerService.class);
+
+    private final ExamAnswerRepository examAnswerRepository;
+
+    private final ExamAnswerMapper examAnswerMapper;
+
+    public ExamAnswerService(ExamAnswerRepository examAnswerRepository, ExamAnswerMapper examAnswerMapper) {
+        this.examAnswerRepository = examAnswerRepository;
+        this.examAnswerMapper = examAnswerMapper;
+    }
+
+    /**
+     * Save a examAnswer.
+     *
+     * @param examAnswerDTO the entity to save.
+     * @return the persisted entity.
+     */
+    public ExamAnswerDTO save(ExamAnswerDTO examAnswerDTO) {
+        LOG.debug("Request to save ExamAnswer : {}", examAnswerDTO);
+        ExamAnswer examAnswer = examAnswerMapper.toEntity(examAnswerDTO);
+        examAnswer = examAnswerRepository.save(examAnswer);
+        return examAnswerMapper.toDto(examAnswer);
+    }
+
+    /**
+     * Update a examAnswer.
+     *
+     * @param examAnswerDTO the entity to save.
+     * @return the persisted entity.
+     */
+    public ExamAnswerDTO update(ExamAnswerDTO examAnswerDTO) {
+        LOG.debug("Request to update ExamAnswer : {}", examAnswerDTO);
+        ExamAnswer examAnswer = examAnswerMapper.toEntity(examAnswerDTO);
+        examAnswer = examAnswerRepository.save(examAnswer);
+        return examAnswerMapper.toDto(examAnswer);
+    }
+
+    /**
+     * Partially update a examAnswer.
+     *
+     * @param examAnswerDTO the entity to update partially.
+     * @return the persisted entity.
+     */
+    public Optional<ExamAnswerDTO> partialUpdate(ExamAnswerDTO examAnswerDTO) {
+        LOG.debug("Request to partially update ExamAnswer : {}", examAnswerDTO);
+
+        return examAnswerRepository
+            .findById(examAnswerDTO.getId())
+            .map(existingExamAnswer -> {
+                examAnswerMapper.partialUpdate(existingExamAnswer, examAnswerDTO);
+
+                return existingExamAnswer;
+            })
+            .map(examAnswerRepository::save)
+            .map(examAnswerMapper::toDto);
+    }
+
+    /**
+     * Get all the examAnswers.
+     *
+     * @return the list of entities.
+     */
+    @Transactional(readOnly = true)
+    public List<ExamAnswerDTO> findAll() {
+        LOG.debug("Request to get all ExamAnswers");
+        return examAnswerRepository.findAll().stream().map(examAnswerMapper::toDto).collect(Collectors.toCollection(LinkedList::new));
+    }
+
+    /**
+     * Get one examAnswer by id.
+     *
+     * @param id the id of the entity.
+     * @return the entity.
+     */
+    @Transactional(readOnly = true)
+    public Optional<ExamAnswerDTO> findOne(Long id) {
+        LOG.debug("Request to get ExamAnswer : {}", id);
+        return examAnswerRepository.findById(id).map(examAnswerMapper::toDto);
+    }
+
+    /**
+     * Delete the examAnswer by id.
+     *
+     * @param id the id of the entity.
+     */
+    public void delete(Long id) {
+        LOG.debug("Request to delete ExamAnswer : {}", id);
+        examAnswerRepository.deleteById(id);
+    }
+}