Wygenerowanie klas na podstawie bazy w IDEA

.idea/dataSources.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name="hr@localhost" uuid="69a0b1e1-6916-48d8-97e3-4c1a6e46c2b2">
+      <driver-ref>postgresql</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.postgresql.Driver</jdbc-driver>
+      <jdbc-url>jdbc:postgresql://localhost:5432/hr</jdbc-url>
+      <jdbc-additional-properties>
+        <property name="com.intellij.clouds.kubernetes.db.host.port" />
+        <property name="com.intellij.clouds.kubernetes.db.enabled" value="false" />
+        <property name="com.intellij.clouds.kubernetes.db.container.port" />
+      </jdbc-additional-properties>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+    <data-source source="LOCAL" name="postgres@vps" uuid="b334493d-3cc6-4ff8-aa28-6740ee00ea9c">
+      <driver-ref>postgresql</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.postgresql.Driver</jdbc-driver>
+      <jdbc-url>jdbc:postgresql://vps-2bc225bd.vps.ovh.net:5432/hr</jdbc-url>
+      <jdbc-additional-properties>
+        <property name="com.intellij.clouds.kubernetes.db.host.port" />
+        <property name="com.intellij.clouds.kubernetes.db.enabled" value="false" />
+        <property name="com.intellij.clouds.kubernetes.db.container.port" />
+      </jdbc-additional-properties>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>
\ No newline at end of file

pom.xml

@@ -28,4 +28,4 @@
         </dependency>
     </dependencies>
 
-</project>
\ No newline at end of file
+</project>

src/main/java/hr/model/Country.java

+package hr.model;
+
+import jakarta.persistence.*;
+
+@Entity
+@Table(name = "countries")
+public class Country {
+    @Id
+    @Column(name = "country_id", nullable = false, length = 2)
+    private String countryId;
+
+    @Column(name = "country_name", length = 40)
+    private String countryName;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "region_id")
+    private hr.model.Region region;
+
+    public String getCountryId() {
+        return countryId;
+    }
+
+    public void setCountryId(String countryId) {
+        this.countryId = countryId;
+    }
+
+    public String getCountryName() {
+        return countryName;
+    }
+
+    public void setCountryName(String countryName) {
+        this.countryName = countryName;
+    }
+
+    public hr.model.Region getRegion() {
+        return region;
+    }
+
+    public void setRegion(hr.model.Region region) {
+        this.region = region;
+    }
+
+}
\ No newline at end of file

src/main/java/hr/model/Department.java

+package hr.model;
+
+import jakarta.persistence.*;
+import org.hibernate.annotations.ColumnDefault;
+
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+@Entity
+@Table(name = "departments")
+public class Department {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @ColumnDefault("nextval('departments_seq')")
+    @Column(name = "department_id", nullable = false)
+    private Integer id;
+
+    @Column(name = "department_name", nullable = false, length = 100)
+    private String departmentName;
+
+    @Column(name = "manager_id")
+    private Integer managerId;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "location_id")
+    private hr.model.Location location;
+
+    @OneToMany(mappedBy = "department")
+    private Set<Integer> employees = new LinkedHashSet<>();
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getDepartmentName() {
+        return departmentName;
+    }
+
+    public void setDepartmentName(String departmentName) {
+        this.departmentName = departmentName;
+    }
+
+    public Integer getManagerId() {
+        return managerId;
+    }
+
+    public void setManagerId(Integer managerId) {
+        this.managerId = managerId;
+    }
+
+    public hr.model.Location getLocation() {
+        return location;
+    }
+
+    public void setLocation(hr.model.Location location) {
+        this.location = location;
+    }
+
+    public Set<Integer> getEmployees() {
+        return employees;
+    }
+
+    public void setEmployees(Set<Integer> employees) {
+        this.employees = employees;
+    }
+
+}
\ No newline at end of file

src/main/java/hr/model/Employee.java

+package hr.model;
+
+import jakarta.persistence.*;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+
+@Entity
+@Table(name = "employees")
+public class Employee {
+    @Id
+    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "employees_id_gen")
+    @SequenceGenerator(name = "employees_id_gen", sequenceName = "employees_seq", initialValue = 207, allocationSize = 1)
+    @Column(name = "employee_id", nullable = false)
+    private Integer id;
+
+    @Column(name = "first_name", length = 25)
+    private String firstName;
+
+    @Column(name = "last_name", nullable = false, length = 30)
+    private String lastName;
+
+    @Column(name = "email", nullable = false, length = 30)
+    private String email;
+
+    @Column(name = "phone_number", length = 20)
+    private String phoneNumber;
+
+    @Column(name = "hire_date", nullable = false)
+    private LocalDate hireDate;
+
+    @ManyToOne(fetch = FetchType.LAZY, optional = false)
+    @JoinColumn(name = "job_id", nullable = false)
+    private hr.model.Job job;
+
+    @Column(name = "salary", precision = 8, scale = 2)
+    private BigDecimal salary;
+
+    @Column(name = "commission_pct", precision = 2, scale = 2)
+    private BigDecimal commissionPct;
+
+    @Column(name = "manager_id")
+    private Integer manager;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "department_id")
+    private Department department;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public String getPhoneNumber() {
+        return phoneNumber;
+    }
+
+    public void setPhoneNumber(String phoneNumber) {
+        this.phoneNumber = phoneNumber;
+    }
+
+    public LocalDate getHireDate() {
+        return hireDate;
+    }
+
+    public void setHireDate(LocalDate hireDate) {
+        this.hireDate = hireDate;
+    }
+
+    public hr.model.Job getJob() {
+        return job;
+    }
+
+    public void setJob(hr.model.Job job) {
+        this.job = job;
+    }
+
+    public BigDecimal getSalary() {
+        return salary;
+    }
+
+    public void setSalary(BigDecimal salary) {
+        this.salary = salary;
+    }
+
+    public BigDecimal getCommissionPct() {
+        return commissionPct;
+    }
+
+    public void setCommissionPct(BigDecimal commissionPct) {
+        this.commissionPct = commissionPct;
+    }
+
+    public Integer getManager() {
+        return manager;
+    }
+
+    public void setManager(Integer manager) {
+        this.manager = manager;
+    }
+
+    public Department getDepartment() {
+        return department;
+    }
+
+    public void setDepartment(Department department) {
+        this.department = department;
+    }
+
+}
\ No newline at end of file

src/main/java/hr/model/Job.java

+package hr.model;
+
+import jakarta.persistence.*;
+
+import java.math.BigDecimal;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+@Entity
+@Table(name = "jobs")
+public class Job {
+    @Id
+    @SequenceGenerator(name = "jobs_id_gen", sequenceName = "employees_seq", initialValue = 207, allocationSize = 1)
+    @Column(name = "job_id", nullable = false, length = 10)
+    private String jobId;
+
+    @Column(name = "job_title", nullable = false, length = 35)
+    private String jobTitle;
+
+    @Column(name = "min_salary", precision = 8, scale = 2)
+    private BigDecimal minSalary;
+
+    @Column(name = "max_salary", precision = 8, scale = 2)
+    private BigDecimal maxSalary;
+
+    @OneToMany(mappedBy = "job")
+    private Set<Integer> employees = new LinkedHashSet<>();
+
+    public String getJobId() {
+        return jobId;
+    }
+
+    public void setJobId(String jobId) {
+        this.jobId = jobId;
+    }
+
+    public String getJobTitle() {
+        return jobTitle;
+    }
+
+    public void setJobTitle(String jobTitle) {
+        this.jobTitle = jobTitle;
+    }
+
+    public BigDecimal getMinSalary() {
+        return minSalary;
+    }
+
+    public void setMinSalary(BigDecimal minSalary) {
+        this.minSalary = minSalary;
+    }
+
+    public BigDecimal getMaxSalary() {
+        return maxSalary;
+    }
+
+    public void setMaxSalary(BigDecimal maxSalary) {
+        this.maxSalary = maxSalary;
+    }
+
+    public Set<Integer> getEmployees() {
+        return employees;
+    }
+
+    public void setEmployees(Set<Integer> employees) {
+        this.employees = employees;
+    }
+
+}
\ No newline at end of file

src/main/java/hr/model/JobHistory.java

+package hr.model;
+
+import jakarta.persistence.*;
+
+import java.time.LocalDate;
+
+@Entity
+@Table(name = "job_history")
+public class JobHistory {
+    @SequenceGenerator(name = "job_history_id_gen", sequenceName = "employees_seq", initialValue = 207, allocationSize = 1)
+    @EmbeddedId
+    private JobHistoryId id;
+
+    @MapsId("employeeId")
+    @ManyToOne(fetch = FetchType.LAZY, optional = false)
+    @JoinColumn(name = "employee_id", nullable = false)
+    private Integer employee;
+
+    @Column(name = "end_date", nullable = false)
+    private LocalDate endDate;
+
+    @ManyToOne(fetch = FetchType.LAZY, optional = false)
+    @JoinColumn(name = "job_id", nullable = false)
+    private hr.model.Job job;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "department_id")
+    private Department department;
+
+    public JobHistoryId getId() {
+        return id;
+    }
+
+    public void setId(JobHistoryId id) {
+        this.id = id;
+    }
+
+    public Integer getEmployee() {
+        return employee;
+    }
+
+    public void setEmployee(Integer employee) {
+        this.employee = employee;
+    }
+
+    public LocalDate getEndDate() {
+        return endDate;
+    }
+
+    public void setEndDate(LocalDate endDate) {
+        this.endDate = endDate;
+    }
+
+    public hr.model.Job getJob() {
+        return job;
+    }
+
+    public void setJob(hr.model.Job job) {
+        this.job = job;
+    }
+
+    public Department getDepartment() {
+        return department;
+    }
+
+    public void setDepartment(Department department) {
+        this.department = department;
+    }
+
+}
\ No newline at end of file

src/main/java/hr/model/JobHistoryId.java

+package hr.model;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Embeddable;
+import org.hibernate.Hibernate;
+
+import java.time.LocalDate;
+import java.util.Objects;
+
+@Embeddable
+public class JobHistoryId implements java.io.Serializable {
+    private static final long serialVersionUID = 7844257974829568247L;
+    @Column(name = "employee_id", nullable = false)
+    private Integer employeeId;
+
+    @Column(name = "start_date", nullable = false)
+    private LocalDate startDate;
+
+    public Integer getEmployeeId() {
+        return employeeId;
+    }
+
+    public void setEmployeeId(Integer employeeId) {
+        this.employeeId = employeeId;
+    }
+
+    public LocalDate getStartDate() {
+        return startDate;
+    }
+
+    public void setStartDate(LocalDate startDate) {
+        this.startDate = startDate;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || Hibernate.getClass(this) != Hibernate.getClass(o)) return false;
+        JobHistoryId entity = (JobHistoryId) o;
+        return Objects.equals(this.employeeId, entity.employeeId) &&
+                Objects.equals(this.startDate, entity.startDate);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(employeeId, startDate);
+    }
+
+}
\ No newline at end of file

src/main/java/hr/model/Location.java

+package hr.model;
+
+import jakarta.persistence.*;
+import org.hibernate.annotations.ColumnDefault;
+
+@Entity
+@Table(name = "locations")
+public class Location {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @ColumnDefault("nextval('locations_seq')")
+    @Column(name = "location_id", nullable = false)
+    private Integer id;
+
+    @Column(name = "street_address", length = 40)
+    private String streetAddress;
+
+    @Column(name = "postal_code", length = 12)
+    private String postalCode;
+
+    @Column(name = "city", nullable = false, length = 30)
+    private String city;
+
+    @Column(name = "state_province", length = 25)
+    private String stateProvince;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "country_id")
+    private Country country;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getStreetAddress() {
+        return streetAddress;
+    }
+
+    public void setStreetAddress(String streetAddress) {
+        this.streetAddress = streetAddress;
+    }
+
+    public String getPostalCode() {
+        return postalCode;
+    }
+
+    public void setPostalCode(String postalCode) {
+        this.postalCode = postalCode;
+    }
+
+    public String getCity() {
+        return city;
+    }
+
+    public void setCity(String city) {
+        this.city = city;
+    }
+
+    public String getStateProvince() {
+        return stateProvince;
+    }
+
+    public void setStateProvince(String stateProvince) {
+        this.stateProvince = stateProvince;
+    }
+
+    public Country getCountry() {
+        return country;
+    }
+
+    public void setCountry(Country country) {
+        this.country = country;
+    }
+
+}
\ No newline at end of file

src/main/java/hr/model/Region.java

+package hr.model;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+
+@Entity
+@Table(name = "regions")
+public class Region {
+    @Id
+    @Column(name = "region_id", nullable = false)
+    private Integer id;
+
+    @Column(name = "region_name", length = 25)
+    private String regionName;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getRegionName() {
+        return regionName;
+    }
+
+    public void setRegionName(String regionName) {
+        this.regionName = regionName;
+    }
+
+}
\ No newline at end of file