Package org.eclipse.persistence.jpa.rs.features.paging

Class PageableQueryValidator

  • public final class PageableQueryValidator
extends java.lang.Object
    Finds out if a named query is pageable and validates paging parameters.
    Author:
    Dmitry Kornilov

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int getLimit()
      Returns a value of Limit paging parameter.
      int getOffset()
      Returns a value of Offset paging parameter.
      boolean isFeatureApplicable()
      Checks if request is valid.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • PageableQueryValidator

        public PageableQueryValidator​(PersistenceContext context,
                              java.lang.String queryName,
                              javax.ws.rs.core.UriInfo uri)
        Creates a validator.
        Parameters:
        context - persistence context
        queryName - query name to validate
        uri - request uri

    • Method Detail

      • isFeatureApplicable

        public boolean isFeatureApplicable()
                            throws JPARSException
        Checks if request is valid.
        Returns:
        true if request is valid and supports pagination, false if request is valid but doesn't support pagination
        Throws:
        JPARSException - in case of any validation errors

      • getOffset

        public int getOffset()
        Returns a value of Offset paging parameter. The value is available only after calling checkParameters method.
        Returns:
        the Offset value.

      • getLimit

        public int getLimit()
        Returns a value of Limit paging parameter. The value is available only after calling checkParameters method.
        Returns:
        the Limit value.