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EruptProcess database impl
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package xyz.erupt.jpa.dao;
import org.springframework.stereotype.Repository;
import xyz.erupt.annotation.query.Condition;
import xyz.erupt.core.annotation.EruptDataSource;
import xyz.erupt.core.constant.EruptConst;
import xyz.erupt.core.query.EruptQuery;
import xyz.erupt.core.util.EruptUtil;
import xyz.erupt.core.view.EruptFieldModel;
import xyz.erupt.core.view.EruptModel;
import xyz.erupt.core.view.Page;
import xyz.erupt.jpa.service.EntityManagerService;
import javax.annotation.Resource;
import javax.persistence.Query;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* @author YuePeng
* date 2018-10-11.
*/
@Repository
public class EruptJpaDao {
@Resource
private EntityManagerService entityManagerService;
public void addEntity(Class> eruptClass, Object entity) {
entityManagerService.entityManagerTran(eruptClass, (em) -> {
em.persist(entity);
});
}
public void editEntity(Class> eruptClass, Object entity) {
entityManagerService.entityManagerTran(eruptClass, (em) -> {
em.merge(entity);
});
}
public void removeEntity(Class> eruptClass, Object entity) {
entityManagerService.entityManagerTran(eruptClass, (em) -> {
if (em.contains(entity)) {
em.remove(entity);
} else {
em.remove(em.merge(entity));
}
});
}
public Page queryEruptList(EruptModel eruptModel, Page page, EruptQuery eruptQuery) {
String hql = EruptJpaUtils.generateEruptJpaHql(eruptModel, "new map(" + String.join(",", EruptJpaUtils.getEruptColJpaKeys(eruptModel)) + ")", eruptQuery, false);
String countHql = EruptJpaUtils.generateEruptJpaHql(eruptModel, "count(*)", eruptQuery, true);
return entityManagerService.getEntityManager(eruptModel.getClazz(), entityManager -> {
Query query = entityManager.createQuery(hql);
Query countQuery = entityManager.createQuery(countHql);
Map eruptFieldMap = eruptModel.getEruptFieldMap();
if (null != eruptQuery.getConditions()) {
for (Condition condition : eruptQuery.getConditions()) {
EruptFieldModel eruptFieldModel = eruptFieldMap.get(condition.getKey());
condition.setKey(condition.getKey().replace(EruptConst.DOT, "_"));
switch (condition.getExpression()) {
case EQ:
countQuery.setParameter(condition.getKey(), EruptUtil.convertObjectType(eruptFieldModel, condition.getValue()));
query.setParameter(condition.getKey(), EruptUtil.convertObjectType(eruptFieldModel, condition.getValue()));
break;
case LIKE:
countQuery.setParameter(condition.getKey(), EruptJpaUtils.PERCENT + condition.getValue() + EruptJpaUtils.PERCENT);
query.setParameter(condition.getKey(), EruptJpaUtils.PERCENT + condition.getValue() + EruptJpaUtils.PERCENT);
break;
case RANGE:
List> list = (List>) condition.getValue();
countQuery.setParameter(EruptJpaUtils.L_VAL_KEY + condition.getKey(), EruptUtil.convertObjectType(eruptFieldModel, list.get(0)));
countQuery.setParameter(EruptJpaUtils.R_VAL_KEY + condition.getKey(), EruptUtil.convertObjectType(eruptFieldModel, list.get(1)));
query.setParameter(EruptJpaUtils.L_VAL_KEY + condition.getKey(), EruptUtil.convertObjectType(eruptFieldModel, list.get(0)));
query.setParameter(EruptJpaUtils.R_VAL_KEY + condition.getKey(), EruptUtil.convertObjectType(eruptFieldModel, list.get(1)));
break;
case IN:
List
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