Merge pull request #5376 from Satyam0408/BAEL-2197

BAEL-2197: Initial Commit

core-java-8/findItemsBasedOnValues/.gitignore

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+/bin/

core-java-8/findItemsBasedOnValues/src/findItems/FindItemsBasedOnValues.java

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+package findItems;
+
+import static org.junit.Assert.assertEquals;
+
+import java.text.ParseException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.junit.Test;
+
+public class FindItemsBasedOnValues {
+
+    List<Employee> EmplList = new ArrayList<Employee>();
+    List<Department> deptList = new ArrayList<Department>();
+
+    public static void main(String[] args) throws ParseException {
+        FindItemsBasedOnValues findItems = new FindItemsBasedOnValues();
+        findItems.givenDepartmentList_thenEmployeeListIsFilteredCorrectly();
+    }
+
+    @Test
+    public void givenDepartmentList_thenEmployeeListIsFilteredCorrectly() {
+        Integer expectedId = 1002;
+
+        populate(EmplList, deptList);
+
+        List<Employee> filteredList = EmplList.stream()
+            .filter(empl -> deptList.stream()
+                .anyMatch(dept -> dept.getDepartment()
+                    .equals("sales") && empl.getEmployeeId()
+                    .equals(dept.getEmployeeId())))
+            .collect(Collectors.toList());
+
+        assertEquals(expectedId, filteredList.get(0)
+            .getEmployeeId());
+    }
+
+    private void populate(List<Employee> EmplList, List<Department> deptList) {
+        Employee employee1 = new Employee(1001, "empl1");
+        Employee employee2 = new Employee(1002, "empl2");
+        Employee employee3 = new Employee(1003, "empl3");
+
+        Collections.addAll(EmplList, employee1, employee2, employee3);
+
+        Department department1 = new Department(1002, "sales");
+        Department department2 = new Department(1003, "marketing");
+        Department department3 = new Department(1004, "sales");
+
+        Collections.addAll(deptList, department1, department2, department3);
+    }
+}
+
+class Employee {
+    Integer employeeId;
+    String employeeName;
+
+    public Employee(Integer employeeId, String employeeName) {
+        super();
+        this.employeeId = employeeId;
+        this.employeeName = employeeName;
+    }
+
+    public Integer getEmployeeId() {
+        return employeeId;
+    }
+
+    public String getEmployeeName() {
+        return employeeName;
+    }
+
+}
+
+class Department {
+    Integer employeeId;
+    String department;
+
+    public Department(Integer employeeId, String department) {
+        super();
+        this.employeeId = employeeId;
+        this.department = department;
+    }
+
+    public Integer getEmployeeId() {
+        return employeeId;
+    }
+
+    public String getDepartment() {
+        return department;
+    }
+
+}