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package com.bpodgursky.jbool_expressions;

import java.util.Arrays;
import java.util.List;

import com.bpodgursky.jbool_expressions.rules.Rule;
import com.bpodgursky.jbool_expressions.rules.RuleSet;
import com.google.common.collect.Lists;

public abstract class NExpression extends Expression{

  public final Expression[] expressions;

  protected NExpression(List> expressions){
    if(expressions.isEmpty()){
      throw new IllegalArgumentException("Arguments length 0!");
    }

    this.expressions = expressions.toArray(ExprUtil.expr(0));
    Arrays.sort(this.expressions);
  }

  @Override
  public Expression apply(List> rules) {
    List> childCopy = Lists.newArrayList();
    for(Expression expr: expressions){
      childCopy.add(RuleSet.applyAll(expr, rules));
    }
    return createInternal(childCopy);
  }

  public List> getChildren(){
    return ExprUtil.list(expressions);
  }

  protected abstract Expression createInternal(List> children);
}