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package com.bpodgursky.jbool_expressions;

import com.bpodgursky.jbool_expressions.rules.Rule;
import com.bpodgursky.jbool_expressions.rules.RuleSet;

import java.util.List;

public class Not extends Expression {
  public static final String EXPR_TYPE = "not";

  private final Expression e;

  private Not(Expression e){
    this.e = e;
  }

  public Expression getE(){
    return e;
  }

  public String toString(){
    return "!"+e;
  }

  @Override
  public Expression apply(List> rules) {
    return new Not(RuleSet.applyAll(e, rules));
  }

  @Override
  public boolean equals(Expression expr) {
    return expr instanceof Not && ((Not)expr).getE().equals(getE());
  }

  public static  Not of(Expression e){
    return new Not(e);
  }

  @Override
  public String getExprType() {
    return EXPR_TYPE;
  }
}