Add equals and hashcode function to DTOs (f1d30570) · Commits · SUSTech-2021Fall-DB / SUSTech-SQL-Project

src/main/java/cn/edu/sustech/cs307/dto/Course.java

+4 −0

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		@@ -10,9 +10,13 @@ public class Course {
		//A courseId is valid if it has been added to the system with addCourse()
		// do not check whether it is 'CS307' or '307CS'
		public String id;

		public String name;

		public int credit;

		public int classHour;

		public CourseGrading grading;

		@Override

+23 −0

Original line number	Diff line number	Diff line
		package cn.edu.sustech.cs307.dto;

		import java.util.List;
		import java.util.Objects;
		import java.util.Set;

		public class CourseSearchEntry {
		@@ -8,14 +9,17 @@ public class CourseSearchEntry {
		* The course of the searched section
		*/
		public Course course;

		/**
		* The searched course section
		*/
		public CourseSection section;

		/**
		* All classes of the section
		*/
		public Set<CourseSectionClass> sectionClasses;

		/**
		* List all course or time conflicting courses' full name, sorted alphabetically.
		* Course full name: String.format("%s[%s]", course.name, section.name)
		@@ -25,4 +29,23 @@ public class CourseSearchEntry {
		* Note that a section is both course and time conflicting with itself!
		*/
		public List<String> conflictCourseNames;

		@Override
		public boolean equals(Object o) {
		if (this == o) {
		return true;
		}
		if (o == null \|\| getClass() != o.getClass()) {
		return false;
		}
		CourseSearchEntry entry = (CourseSearchEntry) o;
		return course.equals(entry.course) && section.equals(entry.section) && sectionClasses
		.equals(entry.sectionClasses)
		&& conflictCourseNames.equals(entry.conflictCourseNames);
		}

		@Override
		public int hashCode() {
		return Objects.hash(course, section, sectionClasses, conflictCourseNames);
		}
		}

+1 −0

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		@@ -11,6 +11,7 @@ public class CourseSection {
		* if the course name is "database principle", the name here could be "No.1 Chinese class", "No.1 English class" ...
		*/
		public String name;

		public int totalCapacity, leftCapacity;

		@Override

+20 −0

Original line number	Diff line number	Diff line
		package cn.edu.sustech.cs307.dto;

		import java.util.Objects;

		public class Department {
		public int id;

		public String name;

		@Override
		public boolean equals(Object o) {
		if (this == o) {
		return true;
		}
		if (o == null \|\| getClass() != o.getClass()) {
		return false;
		}
		Department that = (Department) o;
		return id == that.id && name.equals(that.name);
		}

		@Override
		public int hashCode() {
		return Objects.hash(id, name);
		}
		}

+21 −0

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		package cn.edu.sustech.cs307.dto;

		import java.sql.Date;
		import java.util.Objects;

		/**
		* In our benchmark, there won't be overlapped semesters.
		*/
		public class Semester {
		public int id;

		public String name;

		/**
		* If the end date is before the start date, you need give an illegal Argument Error
		* If the date is ridiculous, such as 1900-1-1 or 3000-1-1, it should not give error.
		*/
		public Date begin, end;

		@Override
		public boolean equals(Object o) {
		if (this == o) {
		return true;
		}
		if (o == null \|\| getClass() != o.getClass()) {
		return false;
		}
		Semester semester = (Semester) o;
		return id == semester.id && name.equals(semester.name) && begin.equals(semester.begin) && end
		.equals(semester.end);
		}

		@Override
		public int hashCode() {
		return Objects.hash(id, name, begin, end);
		}
		}