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spring-data-specification\nSpring Data JPA – Dynamically build queries using JPA Criteria API/Specification\n\n\n\n## Prerequisites\nEnsure you have this installed before proceeding further\n\n* Spring Boot 3.3.2\n* Lombok\n* Java 21\n* H2 database\n* Spring Tool Suite™ (STS) or others\n\n### Features\n\n* Order By direction and order By ColumnsName\n* Equal/NotEqual/Like/NotLike/In/NotIn/Join support multiple values, Equal/NotEqual support **Null** value.\n* Support custom specification.\n* Custom Pagination response\n\nDepartment ---\u003e Employee\n\nCreate a base Repository class should extends from two super class **JpaRepository** and **JpaSpecificationExecutor**.\n\n```java\n@NoRepositoryBean\npublic interface BaseRepository\u003cT, ID extends Serializable\u003e extends JpaRepository\u003cT, ID\u003e , JpaSpecificationExecutor\u003cT\u003e {\n\n} \n```\n\nImplement specification in Service class\n```java\n@Service\npublic class EmployeeServiceImpl implements EmployeeService {\n\n  \n   private final EmployeeRepository employeeRepository;\n    \n   public EmployeeServiceImpl(EmployeeRepository employeeRepo){\n    this.employeeRepository = employeeRepo;\n   }\n\n    @Override\n    public Page\u003cEmployee\u003e findAllSpecification(Specification\u003cEmployee\u003e specs, Pageable pageable) {\n        return employeeRepository.findAll(specs, pageable);\n    }\n\n}\n```\nEndpoint demo\n```\nGET http://localhost:8080/api/employee/search?page=1\u0026size=10\u0026and=firstName;eq;Steven\nGET http://localhost:8080/api/employee/search?page=1\u0026size=10\u0026or=firstName;startwith;K,firstName;like;ir\nGET http://localhost:8080/api/employee/search?page=1\u0026size=10\u0026or=firstName;startwith;K,firstName;like;on\n```\n\n\n\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fanicetkeric%2Fspring-data-specification","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fanicetkeric%2Fspring-data-specification","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fanicetkeric%2Fspring-data-specification/lists"}