Package com.broadleafcommerce.common.jpa

Class JpaEntityUtils

java.lang.Object
com.broadleafcommerce.common.jpa.JpaEntityUtils
public final class JpaEntityUtils extends Object
Utility class providing some common functions related to working with the JPA API and Broadleaf microservice entities.
Author:
Jeff Fischer

  • Method Summary

    Modifier and Type
    Method
    Description
    static <T> void
    applySort(javax.persistence.criteria.CriteriaQuery<T> query, javax.persistence.EntityManager em, List<javax.persistence.criteria.Order> orders, boolean isPaged)
    Apply any and all defined sort ordering to the JPA criteria query.
    static <T> void
    applySort(javax.persistence.criteria.CriteriaQuery<T> query, javax.persistence.EntityManager em, org.springframework.data.domain.Sort sort)
    Apply any and all defined sorts in the Sort param to the JPA criteria query.
    static Object
    findId(Object entity)
     
    static Field
    findIdField(Class<?> entityClass)
    Find the field marked with the Spring or JPA @Id annotation in the entity class.
    static javax.persistence.criteria.Path
    getPathForProperty(javax.persistence.criteria.Root<?> root, String property)
    Get a fully qualified Path based on a period-delimited property path, possibly crossing multiple levels of "ToOne" associations.
    static <T> javax.persistence.criteria.Path<T>
    getPathForProperty(javax.persistence.criteria.Root<?> root, String property, Class<T> pathType)
    Get a fully qualified Path based on a period-delimited property path, possibly crossing multiple levels of "ToOne" associations.

    Methods inherited from class java.lang.Object

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

  • Method Details

    • getPathForProperty

      public static <T> javax.persistence.criteria.Path<T> getPathForProperty(javax.persistence.criteria.Root<?> root, String property, Class<T> pathType)
      Get a fully qualified Path based on a period-delimited property path, possibly crossing multiple levels of "ToOne" associations.
      Type Parameters:
      T - The generic type for the response path.
      Parameters:
      root - The Root of the JPA criteria query.
      property - The period delimited property path.
      pathType - The type of the member identified by the property.
      Returns:
      The Path identified by the property.

    • getPathForProperty

      public static javax.persistence.criteria.Path getPathForProperty(javax.persistence.criteria.Root<?> root, String property)
      Get a fully qualified Path based on a period-delimited property path, possibly crossing multiple levels of "ToOne" associations. The resulting path is not generically type specific.
      Parameters:
      root - The Root of the JPA criteria query.
      property - The period delimited property path.
      Returns:
      The Path identified by the property.

    • applySort

      public static <T> void applySort(javax.persistence.criteria.CriteriaQuery<T> query, javax.persistence.EntityManager em, org.springframework.data.domain.Sort sort)
      Apply any and all defined sorts in the Sort param to the JPA criteria query. Furthermore, will add a final sort column for the id field of the entity (if applicable) to avoid indeterminate sorting results during paging if the requested sort fields don't already contain unique values in the result set.
      Type Parameters:
      T - The primary entity type dealt with in the query.
      Parameters:
      query - The JPA criteria query.
      em - The entity manager controlling the management of the query.
      sort - The Spring sort definition.

    • applySort

      public static <T> void applySort(javax.persistence.criteria.CriteriaQuery<T> query, javax.persistence.EntityManager em, List<javax.persistence.criteria.Order> orders, boolean isPaged)
      Apply any and all defined sort ordering to the JPA criteria query. Furthermore, if paging is active, will add a final sort column for the id field of the entity (if applicable) to avoid indeterminate sorting results during paging if the requested sort fields don't already contain unique values in the result set.
      Type Parameters:
      T - The primary entity type dealt with in the query.
      Parameters:
      query - The JPA criteria query.
      em - The entity manager controlling the management of the query.
      orders - The list of JPA orders to sort the query by.
      isPaged - Whether or not the query is going to return paged results.

    • findIdField

      @Nullable public static Field findIdField(Class<?> entityClass)
      Find the field marked with the Spring or JPA @Id annotation in the entity class. This process will search superclasses, should an id field not be found on the provided class. Will return null if no id annotated field is found.
      Parameters:
      entityClass - The class to check for the id annotated field
      Returns:
      the id field or null if none found
      Throws:
      IllegalArgumentException - if unable to find an id field

    • findId

      @Nullable public static Object findId(Object entity)