source: MotivateDuringTherapy/src/main/java/tudelft/mentalhealth/motivatepersisting/Situation.java

package tudelft.mentalhealth.motivatepersisting;

/**
 * Describes the current situation of the patient.
 */
public class Situation {
        private final PclTrend pcl;
        private final Trust trust;

        /**
         * The current situation of the patient.
         * 
         * @param pcl   the {@link PclTrend} of the patient
         * @param trust the {@link Trust} of the patient
         */
        public Situation(PclTrend pcl, Trust trust) {
                if (pcl == null || trust == null) {
                        throw new NullPointerException("pcl and trust must be not null");
                }
                this.pcl = pcl;
                this.trust = trust;
        }

        @Override
        public String toString() {
                return "<" + pcl + "," + trust + ">";
        }

        @Override
        public int hashCode() {
                final int prime = 31;
                int result = 1;
                result = prime * result + ((pcl == null) ? 0 : pcl.hashCode());
                result = prime * result + ((trust == null) ? 0 : trust.hashCode());
                return result;
        }

        @Override
        public boolean equals(Object obj) {
                if (this == obj)
                        return true;
                if (obj == null)
                        return false;
                if (getClass() != obj.getClass())
                        return false;
                Situation other = (Situation) obj;
                if (pcl != other.pcl)
                        return false;
                if (trust != other.trust)
                        return false;
                return true;
        }

}