source: timeline/src/main/java/geniusweb/deadline/DeadlineTime.java

package geniusweb.deadline;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

/**
 * How long a session will be allowed to run
 */
public class DeadlineTime implements Deadline {

        /**
         * Note, we do NOT use ISO 8601 standard because we need milliseconds
         * accuracy.
         */
        private final Long durationms;

        /**
         * 
         * @param millis number of milliseconds the session will be allowed to run
         */
        @JsonCreator
        public DeadlineTime(@JsonProperty("durationms") long millis) {
                if (millis <= 0) {
                        throw new IllegalArgumentException(
                                        "deadline must be positive time");
                }
                this.durationms = millis;
        }

        /**
         * 
         * @return the duration of this deadline, measured in milliseconds
         */
        @Override
        public Long getDuration() {
                return durationms;
        }

        @Override
        public String toString() {
                return "DeadlineTime[" + durationms + "]";
        }

        /**
         * NOTICE we have overridden this to use class hashcode as well.
         */
        @Override
        public int hashCode() {
                return getClass().hashCode()
                                + ((durationms == null) ? 0 : durationms.hashCode());
        }

        @Override
        public boolean equals(Object obj) {
                if (this == obj)
                        return true;
                if (obj == null)
                        return false;
                if (getClass() != obj.getClass())
                        return false;
                DeadlineTime other = (DeadlineTime) obj;
                if (durationms == null) {
                        if (other.durationms != null)
                                return false;
                } else if (!durationms.equals(other.durationms))
                        return false;
                return true;
        }

}