source: src/main/java/agents/rlboa/LookBackState.java

package agents.rlboa;

import java.util.Objects;

public class LookBackState extends AbstractState implements BinnedRepresentation {

        private int myBin;
        private int oppBin;
        private int prevMyBin;
        private int prevOppBin;
        private int time;
        
        public static LookBackState TERMINAL = new LookBackState(Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE);
        public static LookBackState INITIAL = new LookBackState(Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MIN_VALUE);

        // TODO: Initialize these values from config file
        private static int initialActionSpace = 10;
        private static int standardActionSpace = 3;
        
        public LookBackState(int myBin, int oppBin, int prevMyBin, int prevOppBin, int time) {
                this.myBin = myBin;
                this.oppBin = oppBin;
                this.prevMyBin = prevMyBin;
                this.prevOppBin = prevOppBin;
                this.time = time;
        }
        
        public int getActionSize() {
                if (this.getMyBin() < 0) {
                        return initialActionSpace;
                }
                else {
                        return standardActionSpace;
                }
        }

        public int getMyBin() {
                return this.myBin;
        }
        
        public int getOppBin() {
                return this.oppBin;
        }

        public int getPrevMyBin() {
                return this.prevMyBin;
        }
        
        public int getPrevOppBin() {
                return this.prevOppBin;
        }
        
        public int getTime() {
                return this.time;
        }
        
        public boolean isInitialState() {
                return this.equals(LookBackState.INITIAL);
        }
        
        public boolean isTerminalState() {
                return this.equals(LookBackState.TERMINAL);
        }
        
        public int hash() {
                return Objects.hash(this.getMyBin(), this.getOppBin(), this.getPrevMyBin(), this.getPrevOppBin(), this.getTime());
        }
        
        @Override
        public String toString() {
                return String.format("My bin: %d, Opp bin: %d, Prev My Bin: %d, Prev Opp Bin: %d, Time: %d", this.getMyBin(), this.getOppBin(), this.getPrevMyBin(), this.getPrevOppBin(), this.getTime());
        }

}