Package play.db.jpa

Class GenericModel.JPAQuery

  • Enclosing class:
    GenericModel
    public static class GenericModel.JPAQuery
extends java.lang.Object

    • Field Summary

      Fields 
      Modifier and Type Field Description
      javax.persistence.Query query  
      java.lang.String sq  

    • Constructor Summary

      Constructors 
      Constructor Description
      JPAQuery​(java.lang.String sq, javax.persistence.Query query)  
      JPAQuery​(javax.persistence.Query query)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      GenericModel.JPAQuery bind​(java.lang.String name, java.lang.Object param)
      Bind a JPQL named parameter to the current query.
      <T> java.util.List<T> fetch()
      Retrieve all results of the query
      <T> java.util.List<T> fetch​(int max)
      Retrieve results of the query
      <T> java.util.List<T> fetch​(int page, int length)
      Retrieve a page of result
      <T> T first()  
      GenericModel.JPAQuery from​(int position)
      Set the position to start
      GenericModel.JPAQuery setParameter​(java.lang.String name, java.lang.Object param)
      Set a named parameter for this query.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • query

        public javax.persistence.Query query

      • sq

        public java.lang.String sq

    • Constructor Detail

      • JPAQuery

        public JPAQuery​(java.lang.String sq,
                javax.persistence.Query query)

      • JPAQuery

        public JPAQuery​(javax.persistence.Query query)

    • Method Detail

      • first

        @Nullable
public <T> T first()

      • bind

        @Nonnull
public GenericModel.JPAQuery bind​(java.lang.String name,
                                  java.lang.Object param)
        Bind a JPQL named parameter to the current query. Careful, this will also bind count results. This means that Integer get transformed into long so hibernate can do the right thing. Use the setParameter if you just want to set parameters.
        Parameters:
        name - name of the object
        param - current query
        Returns:
        The query

      • setParameter

        @Nonnull
public GenericModel.JPAQuery setParameter​(java.lang.String name,
                                          java.lang.Object param)
        Set a named parameter for this query.
        Parameters:
        name - Parameter name
        param - The given parameters
        Returns:
        The query

      • fetch

        @Nonnull
public <T> java.util.List<T> fetch()
        Retrieve all results of the query
        Type Parameters:
        T - the type of the entity
        Returns:
        A list of entities

      • fetch

        @Nonnull
public <T> java.util.List<T> fetch​(int max)
        Retrieve results of the query
        Type Parameters:
        T - The entity class
        Parameters:
        max - Max results to fetch
        Returns:
        A list of entities

      • from

        @Nonnull
public GenericModel.JPAQuery from​(int position)
        Set the position to start
        Parameters:
        position - Position of the first element
        Returns:
        A new query

      • fetch

        @Nonnull
public <T> java.util.List<T> fetch​(int page,
                                   int length)
        Retrieve a page of result
        Type Parameters:
        T - The entity class
        Parameters:
        page - Page number (start at 1)
        length - (page length)
        Returns:
        a list of entities