ResponsibleDestination.java

package mireka.destination;

/**
 * ResponsibleDestination is a Destination which takes complete responsibility
 * for the delivery of the mail. This is in contrast with the
 * {@link AliasDestination} which is similar to a link in a file system.
 */
public interface ResponsibleDestination extends Destination {
    /**
     * Returns true if the other object specifies the same destination. If
     * several recipients has the same destination, then all those recipients
     * are sent to a single destination object. In this case the destination
     * object will process a mail with several recipients.
     */
    public boolean equals(Object obj);

    /**
     * Returns the hash code value for the object, conforming to the
     * {@link #equals(Object)} function.
     */
    public int hashCode();

    /**
     * Returns a string representation of the destination suitable for logging
     * purposes. Usually it should contain enough information to show the
     * difference between non-equal destinations.
     */
    public String toString();
}