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.*;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+import java.util.stream.Collectors;
+import org.junit.Test;
+
+public class FindItemsBasedOnValues {
+
+    static SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("dd-MM-yyyy");
+
+    public static void main(String[] args) throws ParseException {
+        FindItemsBasedOnValues findItems = new FindItemsBasedOnValues();
+        findItems.findItemsImpl();
+    }
+
+    @Test
+    public void findItemsImpl() throws ParseException {
+        List<Client> expectedList = new ArrayList<Client>();
+        Client expectedClient = new Client(1001, DATE_FORMAT.parse("01-02-2018"));
+        expectedList.add(expectedClient);
+
+        List<Company> listOfCompanies = new ArrayList<Company>();
+        List<Client> listOfClients = new ArrayList<Client>();
+        populate(listOfCompanies, listOfClients);
+
+        List<Client> filteredList = listOfClients.stream()
+            .filter(client -> listOfCompanies.stream()
+                .anyMatch(company -> company.getType()
+                    .equals("eMart") && company.getProjectId()
+                    .equals(client.getProjectId()) && company.getStart()
+                    .after(client.getDate()) && company.getEnd()
+                    .before(client.getDate())))
+            .collect(Collectors.toList());
+
+        assertEquals(expectedClient.getProjectId(), filteredList.get(0)
+            .getProjectId());
+        assertEquals(expectedClient.getDate(), filteredList.get(0)
+            .getDate());
+    }
+
+    private void populate(List<Company> companyList, List<Client> clientList) throws ParseException {
+        Company company1 = new Company(1001, DATE_FORMAT.parse("01-03-2018"), DATE_FORMAT.parse("01-01-2018"), "eMart");
+        Company company2 = new Company(1002, DATE_FORMAT.parse("01-02-2018"), DATE_FORMAT.parse("01-04-2018"), "commerce");
+        Company company3 = new Company(1003, DATE_FORMAT.parse("01-06-2018"), DATE_FORMAT.parse("01-02-2018"), "eMart");
+        Company company4 = new Company(1004, DATE_FORMAT.parse("01-03-2018"), DATE_FORMAT.parse("01-06-2018"), "blog");
+
+        Collections.addAll(companyList, company1, company2, company3, company4);
+
+        Client client1 = new Client(1001, DATE_FORMAT.parse("01-02-2018"));
+        Client client2 = new Client(1003, DATE_FORMAT.parse("01-04-2018"));
+        Client client3 = new Client(1005, DATE_FORMAT.parse("01-07-2018"));
+        Client client4 = new Client(1007, DATE_FORMAT.parse("01-08-2018"));
+
+        Collections.addAll(clientList, client1, client2, client3, client4);
+    }
+}
+
+class Company {
+    Long projectId;
+    Date start;
+    Date end;
+    String type;
+
+    public Company(long projectId, Date start, Date end, String type) {
+        super();
+        this.projectId = projectId;
+        this.start = start;
+        this.end = end;
+        this.type = type;
+    }
+
+    public Long getProjectId() {
+        return projectId;
+    }
+
+    public Date getStart() {
+        return start;
+    }
+
+    public Date getEnd() {
+        return end;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+}
+
+class Client {
+    Long projectId;
+    Date date;
+
+    public Client(long projectId, Date date) {
+        super();
+        this.projectId = projectId;
+        this.date = date;
+    }
+
+    public Long getProjectId() {
+        return projectId;
+    }
+
+    public Date getDate() {
+        return date;
+    }
+
+}