Generate question bank domain model from JDL

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

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+package com.example.questionbank.service;
+
+import com.example.questionbank.domain.Choice;
+import com.example.questionbank.repository.ChoiceRepository;
+import com.example.questionbank.service.dto.ChoiceDTO;
+import com.example.questionbank.service.mapper.ChoiceMapper;
+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.Choice}.
+ */
+@Service
+@Transactional
+public class ChoiceService {
+
+    private static final Logger LOG = LoggerFactory.getLogger(ChoiceService.class);
+
+    private final ChoiceRepository choiceRepository;
+
+    private final ChoiceMapper choiceMapper;
+
+    public ChoiceService(ChoiceRepository choiceRepository, ChoiceMapper choiceMapper) {
+        this.choiceRepository = choiceRepository;
+        this.choiceMapper = choiceMapper;
+    }
+
+    /**
+     * Save a choice.
+     *
+     * @param choiceDTO the entity to save.
+     * @return the persisted entity.
+     */
+    public ChoiceDTO save(ChoiceDTO choiceDTO) {
+        LOG.debug("Request to save Choice : {}", choiceDTO);
+        Choice choice = choiceMapper.toEntity(choiceDTO);
+        choice = choiceRepository.save(choice);
+        return choiceMapper.toDto(choice);
+    }
+
+    /**
+     * Update a choice.
+     *
+     * @param choiceDTO the entity to save.
+     * @return the persisted entity.
+     */
+    public ChoiceDTO update(ChoiceDTO choiceDTO) {
+        LOG.debug("Request to update Choice : {}", choiceDTO);
+        Choice choice = choiceMapper.toEntity(choiceDTO);
+        choice = choiceRepository.save(choice);
+        return choiceMapper.toDto(choice);
+    }
+
+    /**
+     * Partially update a choice.
+     *
+     * @param choiceDTO the entity to update partially.
+     * @return the persisted entity.
+     */
+    public Optional<ChoiceDTO> partialUpdate(ChoiceDTO choiceDTO) {
+        LOG.debug("Request to partially update Choice : {}", choiceDTO);
+
+        return choiceRepository
+            .findById(choiceDTO.getId())
+            .map(existingChoice -> {
+                choiceMapper.partialUpdate(existingChoice, choiceDTO);
+
+                return existingChoice;
+            })
+            .map(choiceRepository::save)
+            .map(choiceMapper::toDto);
+    }
+
+    /**
+     * Get all the choices.
+     *
+     * @return the list of entities.
+     */
+    @Transactional(readOnly = true)
+    public List<ChoiceDTO> findAll() {
+        LOG.debug("Request to get all Choices");
+        return choiceRepository.findAll().stream().map(choiceMapper::toDto).collect(Collectors.toCollection(LinkedList::new));
+    }
+
+    /**
+     * Get one choice by id.
+     *
+     * @param id the id of the entity.
+     * @return the entity.
+     */
+    @Transactional(readOnly = true)
+    public Optional<ChoiceDTO> findOne(Long id) {
+        LOG.debug("Request to get Choice : {}", id);
+        return choiceRepository.findById(id).map(choiceMapper::toDto);
+    }
+
+    /**
+     * Delete the choice by id.
+     *
+     * @param id the id of the entity.
+     */
+    public void delete(Long id) {
+        LOG.debug("Request to delete Choice : {}", id);
+        choiceRepository.deleteById(id);
+    }
+}