Pattern Boundary Control Entity in Java

Question

I have a particular problem and I can't seem to get out of it.

I have exploited the BCE pattern and in the entities I have the mother class Contact and the child class ContactCompany and ContactPrivate. The parent class (Contact) implements the method

public abstract void print();

while the ContactCompany class implements:

public void print() {   
        System.out.format("Company Contacts: %s, name: %s, surname: %s", this.getName(), this.getSurname(), this.getEmail());   
    }

ContactPrivate class implements:

public void print() {
        System.out.format("Private Contact: %s, name: %s", this.name(), this.birthday());
    }
    

In the control I have the following method which prints contacts:

public void printContacts(boolean numbered) {
            System.out.println("List:");
            Contact[] contactList = getContactList();

            for (int i = 0; i < contactList.length; i++) {
                System.out.print(""
                        + "
");
                if (numbered) {
                    System.out.format("%d) ", i);
                }
                contactList[i].print();
                
                
            }

            System.out.flush();
        }

In the boundary I simply call the method from the control and send it to print.

The mistake is that I can't have prints method in the entity, because the pattern doesn't allow it. How can I solve? How can I print everything without putting the print in the entities?

Thank you!

Alberto

question from:https://stackoverflow.com/questions/65939527/pattern-boundary-control-entity-in-java

Answer 1

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