bytestree’s gists

bytestree / Employee.java

Created September 11, 2016 20:43

Repository class for Employee entity using Spring Data JPA

	package com.bytestree.restful.model;

	import javax.persistence.Column;
	import javax.persistence.Entity;
	import javax.persistence.GeneratedValue;
	import javax.persistence.GenerationType;
	import javax.persistence.Id;
	import javax.persistence.Table;

	@Entity

bytestree / CRUDService.java

Created September 11, 2016 19:29

Service layer for Restful Web Service using CRUDService interface for CRUD operations.

	package com.bytestree.restful.service;

	import java.io.Serializable;
	import java.util.List;

	public interface CRUDService<E> {

	E save(E entity);

	E getById(Serializable id);

bytestree / EmployeeController.java

Last active December 21, 2016 14:32

Restful Web Service Controller for CRUD operations

	package com.bytestree.restful.controller;

	import java.util.Arrays;
	import java.util.List;

	import org.apache.log4j.Logger;
	import org.springframework.beans.factory.annotation.Autowired;
	import org.springframework.http.HttpStatus;
	import org.springframework.http.ResponseEntity;
	import org.springframework.web.bind.annotation.PathVariable;

bytestree / Application.java

Last active December 21, 2016 14:46

pom file to create RESTful Web Services using Spring Boot and PostgreSQL

	package com.bytestree.restful;

	import org.springframework.boot.SpringApplication;
	import org.springframework.boot.autoconfigure.SpringBootApplication;

	@SpringBootApplication
	public class Application {

	public static void main(String[] args) {
	SpringApplication.run(Application.class, args);

bytestree / TestApplication.java

Last active May 7, 2016 23:45

Generic DAO in Hibernate - Client Application

	package com.bytestree;

	import org.springframework.context.annotation.AnnotationConfigApplicationContext;
	import com.bytestree.config.AppConfiguration;

	public class TestApplication {

	public static void main(String[] args) {
	// Load the Spring context and beans
	AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(AppConfiguration.class);

bytestree / MyApplication.java

Created May 7, 2016 21:40

Generic DAO in Hibernate - Application class

	package com.bytestree;

	import java.util.List;
	import org.apache.log4j.Logger;
	import org.springframework.beans.factory.annotation.Autowired;
	import org.springframework.stereotype.Component;
	import com.bytestree.model.Employee;
	import com.bytestree.service.EmployeeService;

	@Component

bytestree / Employee.java

Last active May 7, 2016 23:46

Generic DAO in Hibernate - EmployeeDao.java using GeneticDao.java

	package com.bytestree.model;

	import javax.persistence.Column;
	import javax.persistence.Entity;
	import javax.persistence.GeneratedValue;
	import javax.persistence.GenerationType;
	import javax.persistence.Id;
	import javax.persistence.Table;

	@Entity

bytestree / AbstractGenericDao.java

Last active May 7, 2016 14:59

Generic DAO in Hibernate interface and abstract implementation

	package com.bytestree.dao;

	import java.io.Serializable;
	import java.lang.reflect.ParameterizedType;
	import java.util.List;
	import org.hibernate.Session;
	import org.hibernate.SessionFactory;
	import org.hibernate.criterion.Example;
	import org.springframework.beans.factory.annotation.Autowired;

bytestree / initDatabase.sql

Created May 7, 2016 14:03

Generic DAO in Hibernate initialize data script

	-- Create table --
	CREATE TABLE employee
	(
	id bigserial NOT NULL,
	firstname character varying(50),
	lastname character varying(50),
	designation character varying(50),
	salary integer,
	CONSTRAINT employee_pk PRIMARY KEY (id)
	);

bytestree / AppConfiguration.java

Created May 7, 2016 13:55

Hibernate and Spring Configuration for Generic DAO example

	package com.bytestree.config;

	import org.springframework.context.annotation.ComponentScan;
	import org.springframework.context.annotation.Configuration;

	@Configuration
	@ComponentScan(value={"com.bytestree"})
	public class AppConfiguration {
	}

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