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Comments (4)

Praytic avatar Praytic commented on September 23, 2024

Hi @darrachequesne , I have read the documentation for the SearchBuilder, but I'm still not completely sure how it should be applied on the server-side. Could you give some hints?

from spring-data-jpa-datatables.

Praytic avatar Praytic commented on September 23, 2024

I have an idea of creating multiple enums which are mapped to specific CriteriaBuilder methods. Do you think it will be a good design decision?

from spring-data-jpa-datatables.

Praytic avatar Praytic commented on September 23, 2024

For example:

@Data
@NoArgsConstructor
@AllArgsConstructor
public static class Criteria {
    private Condition condition;
    private String data;
    private String origData;
    private String type;
    private List<String> value;
    private String logic;
    private List<Criteria> criteria;

    public <T> Predicate notEmpty(Root<T> root, CriteriaQuery<?> criteriaQuery, CriteriaBuilder criteriaBuilder) {
        return criteriaBuilder.equal(criteriaBuilder.length(root.get(origData)), 0);
    }
}

And condition enum will look like that:

public enum Condition {
  NOT_EMPTY("!null", (builder) -> builder::notEmpty);

  private String key;
  private Function<Criteria, Specification> predicate;

  Condition(String key, Function<Criteria, Specification> predicate) {
      this.key = key;
      this.predicate = predicate;
  }
}

from spring-data-jpa-datatables.

KrunchMuffin avatar KrunchMuffin commented on September 23, 2024

I would be willing to throw in $100 to get this working

from spring-data-jpa-datatables.

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