Example usage for org.springframework.integration.jpa.support JpaUtils getEntityName

Introduction

In this page you can find the example usage for org.springframework.integration.jpa.support JpaUtils getEntityName.

Prototype

public static String getEntityName(EntityManager em, Class<?> entityClass) 

Source Link

Usage

From source file:org.springframework.integration.jpa.core.DefaultJpaOperations.java

@Override
public void deleteInBatch(Iterable<?> entities) {

    Assert.notNull(entities, "entities must not be null.");

    Iterator<?> iterator = entities.iterator();

    if (!iterator.hasNext()) {
        return;//  w  w w  . ja v  a  2  s .c  o m
    }

    Class<?> entityClass = null;

    for (Object object : entities) {
        if (entityClass == null) {
            entityClass = object.getClass();
        } else {
            if (entityClass != object.getClass()) {
                throw new IllegalArgumentException("entities must be of the same type.");
            }
        }
    }

    final String entityName = JpaUtils.getEntityName(entityManager, entityClass);
    final String queryString = JpaUtils.getQueryString(JpaUtils.DELETE_ALL_QUERY_STRING, entityName);

    JpaUtils.applyAndBind(queryString, entities, entityManager).executeUpdate();

}

---

From source file:org.springframework.integration.jpa.core.DefaultJpaOperations.java

@Override
public List<?> getResultListForClass(Class<?> entityClass, int firstResult, int maxNumberOfResults) {

    final String entityName = JpaUtils.getEntityName(entityManager, entityClass);
    final Query query = entityManager.createQuery("select x from " + entityName + " x", entityClass);
    if (firstResult > 0) {
        query.setFirstResult(firstResult);
    }//from w ww .ja v a  2s  .  co  m
    if (maxNumberOfResults > 0) {
        query.setMaxResults(maxNumberOfResults);
    }

    return query.getResultList();

}

---