Package io.jmix.data.persistence

Interface JpqlSortExpressionProvider

All Known Implementing Classes:
DefaultJpqlSortExpressionProvider
@NullMarked public interface JpqlSortExpressionProvider
Interface to be implemented by a Spring bean to generate sort expression for datatype and LOB properties.

You can provide your own implementation bean and use custom sort logic, e.g. use functions. Use JpqlSortExpressionSupplier beans to supply independent sort expression rules.

  • Method Details

    • getDatatypeSortExpression

      String getDatatypeSortExpression(MetaPropertyPath metaPropertyPath, boolean sortDirectionAsc)
      Returns JPQL order expression for specified property, e.g. {E}.property, where {E} is a selected entity alias. It's possible to:
      • Apply JPQL functions for property, e.g upper({E}.property)
      • Use asc/desc or nulls last/nulls first, e.g. {E}.property asc nulls first

    • getLobSortExpression

      String getLobSortExpression(MetaPropertyPath metaPropertyPath, boolean sortDirectionAsc)
      Returns JPQL order expression for specified lob property.