initial commit

.gitignore

@@ -21,3 +21,4 @@
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
+/.metadata/

hr-domain/.classpath

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-14">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

hr-domain/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>hr-domain</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

hr-domain/.settings/org.eclipse.jdt.core.prefs

@@ -0,0 +1,15 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=14
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=14
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=enabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
+org.eclipse.jdt.core.compiler.release=disabled
+org.eclipse.jdt.core.compiler.source=14

hr-domain/src/com/example/hr/application/EmployeeApplication.java

@@ -0,0 +1,31 @@
+package com.example.hr.application;
+
+import com.example.hr.domain.Employee;
+import com.example.hr.events.EmployeeFiredEvent;
+import com.example.hr.events.EmployeeHiredEvent;
+import com.example.hr.infrastructure.EventPushlisher;
+import com.example.hr.repository.EmployeeRepository;
+
+public class EmployeeApplication {
+	private EmployeeRepository employeeRepository;
+	private EventPushlisher eventPushlisher;
+
+	public void setEmployeeRepository(EmployeeRepository employeeRepository) {
+		this.employeeRepository = employeeRepository;
+	}
+
+	public void setEventPushlisher(EventPushlisher eventPushlisher) {
+		this.eventPushlisher = eventPushlisher;
+	}
+
+	public void hireEmployee(Employee employee) {
+		employeeRepository.save(employee);
+		eventPushlisher.publishEvent(new EmployeeHiredEvent("", "employees", employee));
+	}
+
+	public void fireEmployee(Employee employee) {
+		employeeRepository.remove(employee);
+		eventPushlisher.publishEvent(new EmployeeFiredEvent("", "employees", employee));
+	}
+
+}

hr-domain/src/com/example/hr/domain/BirthYear.java

@@ -0,0 +1,48 @@
+package com.example.hr.domain;
+
+// Value Object, Immutable
+public final class BirthYear {
+	private final int value;
+
+	private BirthYear(int value) {
+		this.value = value;
+	}
+
+	public static BirthYear of(int value) {
+		if (value > 2020)
+			throw new IllegalArgumentException("Birt Year cannot be from future");
+		return new BirthYear(value);
+	}
+
+	public int getValue() {
+		return value;
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + value;
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		BirthYear other = (BirthYear) obj;
+		if (value != other.value)
+			return false;
+		return true;
+	}
+
+	@Override
+	public String toString() {
+		return "BirthYear [value=" + value + "]";
+	}
+
+}

hr-domain/src/com/example/hr/domain/Department.java

@@ -0,0 +1,5 @@
+package com.example.hr.domain;
+
+public enum Department {
+	IT, SALES, HR, FINANCE
+}

hr-domain/src/com/example/hr/domain/Employee.java

@@ -0,0 +1,180 @@
+package com.example.hr.domain;
+
+// DDD : Core Domain -> Entity Root -> Aggregate
+// Ubiquitous Language: Entity, Entity Root/Aggregate/Value Object 
+// Bounded Context <--> Sub Domain
+// Shortcuts (Eclipse)                     IntelliJ IDEA  
+// Ctrl + Shift + + (Zoom In)              (Ctrl + Mouse Wheel)
+// Ctrl + - (Zoom Out)                     (Ctrl + Mouse Wheel)
+// Ctrl + 1 (Suggestion to remove errors)  (Alt + Enter)
+// Alt + Shift + S (Generate Source Code)  (Alt + Insert)
+// Ctrl + Shift + F (Format Source Code)   (Ctrl + Alt + L)
+public class Employee {
+	private static final Money MIN_SALARY = Money.of(3_000, MoneyCurrency.TL);
+	private final TcKimlikNo identityNo;
+	private FullName fullname;
+	private Money salary;
+	private Iban iban;
+	private final BirthYear birthYear;
+	private Photo photo;
+	private boolean fulltime;
+	private Department department;
+
+	public Employee(TcKimlikNo identityNo, FullName fullname, Money salary, Iban iban, BirthYear birthYear, Photo photo,
+			boolean fulltime, Department department) {
+		this.identityNo = identityNo;
+		this.fullname = fullname;
+		this.salary = salary;
+		this.iban = iban;
+		this.birthYear = birthYear;
+		this.photo = photo;
+		this.fulltime = fulltime;
+		this.department = department;
+	}
+
+	public Employee(Builder builder) {
+		this.identityNo = builder.identityNo;
+		this.fullname = builder.fullname;
+		this.salary = builder.salary;
+		this.iban = builder.iban;
+		this.birthYear = builder.birthYear;
+		this.photo = builder.photo;
+		this.fulltime = builder.fulltime;
+		this.department = builder.department;
+	}
+
+	public FullName getFullname() {
+		return fullname;
+	}
+
+	public void setFullname(FullName fullname) {
+		this.fullname = fullname;
+	}
+
+	public Iban getIban() {
+		return iban;
+	}
+
+	public void setIban(Iban iban) {
+		this.iban = iban;
+	}
+
+	public Photo getPhoto() {
+		return photo;
+	}
+
+	public void setPhoto(Photo photo) {
+		this.photo = photo;
+	}
+
+	public boolean isFulltime() {
+		return fulltime;
+	}
+
+	public void setFulltime(boolean fulltime) {
+		this.fulltime = fulltime;
+	}
+
+	public Department getDepartment() {
+		return department;
+	}
+
+	public void setDepartment(Department department) {
+		this.department = department;
+	}
+
+	public TcKimlikNo getIdentityNo() {
+		return identityNo;
+	}
+
+	public Money getSalary() {
+		return salary;
+	}
+
+	public BirthYear getBirthYear() {
+		return birthYear;
+	}
+
+	public void increaseSalary(double percentage) {
+		if (percentage <= 0.)
+			throw new IllegalArgumentException("Percentage cannot be negative or zero");
+		this.salary = this.salary.multiply(1. + percentage);
+	}
+
+	public void decreaseSalary(double percentage) {
+		if (percentage <= 0.)
+			throw new IllegalArgumentException("Percentage cannot be negative or zero");
+		this.salary = this.salary.multiply(1. - percentage);
+		if (this.salary.lessThan(MIN_SALARY))
+			this.salary = MIN_SALARY;
+	}
+
+	public void hireToFulltime() {
+		if (this.fulltime)
+			throw new IllegalArgumentException("Already full-time");
+		this.fulltime = true;
+		this.increaseSalary(50.);
+	}
+
+	public void hireToParttime() {
+		if (!this.fulltime)
+			throw new IllegalArgumentException("Already part-time");
+		this.fulltime = false;
+		this.decreaseSalary(50.);
+	}
+
+	public static class Builder {
+		private final TcKimlikNo identityNo;
+		private FullName fullname;
+		private Money salary;
+		private Iban iban;
+		private BirthYear birthYear;
+		private Photo photo;
+		private boolean fulltime;
+		private Department department;
+
+		public Builder(String identityNo) {
+			this.identityNo = TcKimlikNo.of(identityNo);
+		}
+
+		public Builder fullname(String firstName, String lastName) {
+			this.fullname = new FullName(firstName, lastName);
+			return this;
+		}
+
+		public Builder salary(double value, MoneyCurrency currency) {
+			this.salary = Money.of(value, currency);
+			return this;
+		}
+
+		public Builder iban(String value) {
+			this.iban = Iban.of(value);
+			return this;
+		}
+
+		public Builder birthYear(int value) {
+			this.birthYear = BirthYear.of(value);
+			return this;
+		}
+
+		public Builder photo(byte[] value) {
+			this.photo = Photo.of(value);
+			return this;
+		}
+
+		public Builder fulltime(boolean fulltime) {
+			this.fulltime = fulltime;
+			return this;
+		}
+
+		public Builder department(Department department) {
+			this.department = department;
+			return this;
+		}
+
+		public Employee build() {
+			return new Employee(this);
+		}
+
+	}
+}

hr-domain/src/com/example/hr/domain/FullName.java

@@ -0,0 +1,57 @@
+package com.example.hr.domain;
+
+// Value Object, Immutable
+public final class FullName {
+	private final String first;
+	private final String last;
+
+	public FullName(String first, String last) {
+		this.first = first;
+		this.last = last;
+	}
+
+	public String getFirst() {
+		return first;
+	}
+
+	public String getLast() {
+		return last;
+	}
+
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + ((first == null) ? 0 : first.hashCode());
+		result = prime * result + ((last == null) ? 0 : last.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		FullName other = (FullName) obj;
+		if (first == null) {
+			if (other.first != null)
+				return false;
+		} else if (!first.equals(other.first))
+			return false;
+		if (last == null) {
+			if (other.last != null)
+				return false;
+		} else if (!last.equals(other.last))
+			return false;
+		return true;
+	}
+
+	@Override
+	public String toString() {
+		return "FullName [first=" + first + ", last=" + last + "]";
+	}
+
+}