Rainer 13032021

.gitignore

@@ -4,6 +4,8 @@ build/
 !gradle/wrapper/gradle-wrapper.jar
 !**/src/main/**
 !**/src/test/**
+### maven I introduced it 16032020, runs with JDK15 ###
+target/
 
 ### STS ###
 .apt_generated

db/passwordfile.txt

@@ -0,0 +1 @@
+postgres

docker-compose-postgres-only.yml

@@ -0,0 +1,21 @@
+version: "3.7"
+services:
+  db:
+    image: postgres:12
+    ports:
+      - "5432:5432"
+    secrets:
+      - db-password
+    volumes:
+      - db-data:/var/lib/postgresql/data
+    networks:
+      - spring-postgres
+    environment:
+      - POSTGRES_PASSWORD_FILE=/run/secrets/db-password
+volumes:
+  db-data:
+secrets:
+  db-password:
+    file: db/passwordfile.txt
+networks:
+  spring-postgres:

knowhow-Docker-postgres.rai

@@ -0,0 +1,30 @@
+gradle jedoch nur JDK 11
+gradle build clean
+
+oder
+
+maven mit JDK 15
+mvn clean
+mvn spring-boot:run
+
+docker run -p 5432:5432 -d -e POSTGRES_PASSWORD=postgres -e POSTGRES_USER=postgres -e POSTGRES_DB=postgres -v pgdata:/var/lib/postgresql/data postgres
+oder
+docker-compose up -f docker-compose-postgres-only.yml
+
+mit heidisql
+Verbindung mit port 5432 / postgres / postgres
+
+DROP TABLE IF EXISTS student;
+CREATE TABLE "student001" (
+	"student_id" SERIAL PRIMARY KEY,
+	"student_branch" VARCHAR(255) NULL,
+	"student_email" VARCHAR(255) NULL,
+	"student_name" VARCHAR(255) NULL
+)
+;
+
+INSERT INTO student001 ( student_branch, student_email, student_name) VALUES
+	( 'BCA', '[email protected]', 'MDolly'),
+	( 'B-Tech', '[email protected]', 'rainier'),
+	('M-Tech', '[email protected]', 'Ula'),
+	('B-Tech', '[email protected]', 'Ula Habich 29.03.1983 meet 2015 (18.09.2015)),(01.11.2015),(21.12.2015) and 2016 (23.01.2016'));

pom.xml

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.3.4.RELEASE</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.main</groupId>
+	<artifactId>Student</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>Student</name>
+	<description>Demo project for Spring Boot</description>
+
+	<properties>
+		<java.version>15</java.version>
+	</properties>
+
+	<dependencies>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.postgresql</groupId>
+			<artifactId>postgresql</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

src/main/java/com/circleci/demojavaspring/controller/StudentController.java

@@ -0,0 +1,47 @@
+package com.circleci.demojavaspring.controller;
+
+import com.circleci.demojavaspring.model.Student;
+import com.circleci.demojavaspring.service.Student_Service;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Optional;
+
+@RestController
+@CrossOrigin(origins="http://localhost:4200")
+@RequestMapping(value="/api")
+public class StudentController {
+
+	@Autowired
+	private Student_Service studentservice;
+
+	@PostMapping("save-student")
+	public boolean saveStudent(@RequestBody Student student) {
+		 return studentservice.saveStudent(student);
+	}
+
+	@GetMapping("students-list")
+	public List<Student> allstudents() {
+		 return studentservice.getStudents();
+	}
+
+
+	@DeleteMapping("delete-student/{student_id}")
+	public boolean deleteStudent(@PathVariable("student_id") int student_id,Student student) {
+		student.setStudent_id(student_id);
+		return studentservice.deleteStudent(student);
+	}
+
+	@GetMapping("student/{student_id}")
+	public List<Student> allstudentByID(@PathVariable("student_id") int student_id, Student student) {
+		 student.setStudent_id(student_id);
+		 return studentservice.getStudentByID(student);
+	}
+
+	@PostMapping("update-student/{student_id}")
+	public boolean updateStudent(@RequestBody Student student,@PathVariable("student_id") int student_id) {
+		student.setStudent_id(student_id);
+		return studentservice.updateStudent(student);
+	}
+}

src/main/java/com/circleci/demojavaspring/dao/Student_DAO.java

@@ -0,0 +1,15 @@
+package com.circleci.demojavaspring.dao;
+
+import com.circleci.demojavaspring.model.Student;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface Student_DAO {
+
+	public boolean saveStudent(Student student);
+	public List<Student> getStudents();
+	public boolean deleteStudent(Student student);
+	public Optional<Student> getStudentByID(Student student);
+	public boolean updateStudent(Student student);
+}

src/main/java/com/circleci/demojavaspring/dao/Student_DAO_Imp.java

@@ -0,0 +1,63 @@
+package com.circleci.demojavaspring.dao;
+
+import com.circleci.demojavaspring.model.Student;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Repository;
+import com.circleci.demojavaspring.repository.StudentRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+@Repository
+public class Student_DAO_Imp  implements Student_DAO{
+
+	@Autowired
+	private StudentRepository studentRepository;
+
+	@Override
+	public boolean saveStudent(Student student) {
+		boolean status=false;
+		try {
+			studentRepository.save(student);
+			status=true;
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return status;
+	}
+
+	@Override
+	public List<Student> getStudents() {
+
+		return studentRepository.findAll();
+	}
+
+	@Override
+	public boolean deleteStudent(Student student) {
+		boolean status=false;
+		try {
+			studentRepository.delete(student);
+			status=true;
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return status;
+	}
+
+	@Override
+	public Optional<Student> getStudentByID(Student student) {
+		return studentRepository.findById(student.getStudent_id());
+	}
+
+	@Override
+	public boolean updateStudent(Student student) {
+		boolean status=false;
+		try {
+			studentRepository.save(student);
+			status=true;
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+		return status;
+	}
+}

src/main/java/com/circleci/demojavaspring/model/Student.java

@@ -0,0 +1,48 @@
+package com.circleci.demojavaspring.model;
+
+import javax.persistence.*;
+
+@Entity
+@Table(name = "student")
+public class Student {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private int student_id;
+    private String student_name;
+    private String student_email;
+    private String student_branch;
+
+    public int getStudent_id() {
+        return student_id;
+    }
+
+    public void setStudent_id(int student_id) {
+        this.student_id = student_id;
+    }
+
+    public String getStudent_name() {
+        return student_name;
+    }
+
+    public void setStudent_name(String student_name) {
+        this.student_name = student_name;
+    }
+
+    public String getStudent_email() {
+        return student_email;
+    }
+
+    public void setStudent_email(String student_email) {
+        this.student_email = student_email;
+    }
+
+    public String getStudent_branch() {
+        return student_branch;
+    }
+
+    public void setStudent_branch(String student_branch) {
+        this.student_branch = student_branch;
+    }
+
+
+}

src/main/java/com/circleci/demojavaspring/repository/StudentRepository.java

@@ -0,0 +1,11 @@
+package com.circleci.demojavaspring.repository;
+
+import com.circleci.demojavaspring.model.Student;
+import org.springframework.data.repository.CrudRepository;
+
+import java.util.List;
+
+public interface StudentRepository extends CrudRepository<Student, Integer> {
+    @Override
+    List<Student> findAll();
+}

src/main/java/com/circleci/demojavaspring/service/Student_Service.java

@@ -0,0 +1,14 @@
+package com.circleci.demojavaspring.service;
+
+import com.circleci.demojavaspring.model.Student;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface Student_Service {
+	public boolean saveStudent(Student student);
+	public List<Student> getStudents();
+	public boolean deleteStudent(Student student);
+	public List<Student> getStudentByID(Student student);
+	public boolean updateStudent(Student student);
+}

src/main/java/com/circleci/demojavaspring/service/Student_Service_Imp.java

@@ -0,0 +1,47 @@
+package com.circleci.demojavaspring.service;
+
+import com.circleci.demojavaspring.dao.Student_DAO;
+import com.circleci.demojavaspring.model.Student;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+@Transactional
+public class Student_Service_Imp implements Student_Service {
+
+	@Autowired
+	private Student_DAO studentdao;
+
+	@Override
+	public boolean saveStudent(Student student) {
+		return studentdao.saveStudent(student);
+	}
+
+	@Override
+	public List<Student> getStudents() {
+		return studentdao.getStudents();
+	}
+
+	@Override
+	public boolean deleteStudent(Student student) {
+		return studentdao.deleteStudent(student);
+	}
+
+	@Override
+	public List<Student> getStudentByID(Student student) {
+		Student studa = studentdao.getStudentByID(student).get();
+		ArrayList<Student> studentArrayList = new ArrayList<>();
+		studentArrayList.add(studa);
+		return studentArrayList;
+	}
+
+	@Override
+	public boolean updateStudent(Student student) {
+		return studentdao.updateStudent(student);
+	}
+
+}

src/main/resources/application.properties

@@ -1,6 +1,6 @@
 spring.datasource.url=jdbc:postgresql://localhost:5432/postgres
 spring.datasource.username=postgres
-spring.datasource.password=password
+spring.datasource.password=postgres
 
 spring.jpa.show-sql=true
 spring.jpa.hibernate.ddl-auto=update

src/main/resources/test.properties

@@ -1,4 +1,9 @@
-spring.datasource.url=jdbc:postgresql://localhost:5432/circle_test
+#spring.datasource.url=jdbc:postgresql://localhost:5432/circle_test
+#spring.datasource.username=postgres
+spring.datasource.url=jdbc:postgresql://localhost:5432/postgres
 spring.datasource.username=postgres
+spring.datasource.password=postgres
 
-spring.jpa.hibernate.ddl-auto=create-drop
+#spring.jpa.hibernate.ddl-auto=create-drop
+spring.jpa.hibernate.ddl-auto=update
+spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation=true