https://github.com/apulbere/pet-shop-crop

https://github.com/apulbere/pet-shop-crop

Last synced: about 1 month ago
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• Host: GitHub
• URL: https://github.com/apulbere/pet-shop-crop
• Owner: apulbere
• Created: 2024-01-21T09:38:06.000Z (12 months ago)
• Default Branch: main
• Last Pushed: 2024-01-21T19:14:14.000Z (12 months ago)
• Last Synced: 2024-01-21T20:55:28.694Z (12 months ago)
• Language: Java
• Size: 6.84 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Demo project for [CriteriaOperator](https://github.com/apulbere/crop)

CriteriaOperator is a lightweight, zero dependency, and type-safe wrapper around Java Persistence Criteria API, which simplifies building queries, particularly useful within REST SQL (RSQL) context.

```java

@GetMapping("/pets")

List findAll(PetCriteriaOperator searchCriteria, CriteriaOperatorOrder order, CriteriaOperatorPage page) {

    return cropService.create(Pet.class, searchCriteria, order, page)

        .match(Pet_.id, PetCriteriaOperator::getId)

        .match(Pet_.name, PetCriteriaOperator::getNickname)

        .match(Pet_.birthdate, PetCriteriaOperator::getBirthdate)

        .match(Pet_.price, PetCriteriaOperator::getPrice)

        .join(Pet_.features)

            .match(PetFeature_.feature, PetCriteriaOperator::getFeatures)

        .endJoin()

        .match(Pet_.active, PetCriteriaOperator::getActive)

        .join(Pet_.petType)

            .match(PetType_.code, PetCriteriaOperator::getType)

            .join(PetType_.petCategory)

                .match(PetCategory_.code, PetCriteriaOperator::getCategory)

            .endJoin()

        .endJoin()

        .getResultList()

        .stream()

        .map(petMapper::map)

        .toList();

}

```