/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

import java.util.function.Predicate;

class TestClass {

  public static final String CONST_STR = " some_data "+ getMoreData(e -> e.getId()==3);

  private static String getMoreData(Predicate<TestEnum> p){
    StringBuilder sb = new StringBuilder();
    for(TestEnum e : TestEnum.values()){
      if(p.test(e)){
        sb.append(e.name());
      }
    }
    return sb.toString();
  }

  public static void main(String[] args) {
    System.out.println(CONST_STR);
  }
}

enum TestEnum{
  OP1(1),OP2(2),OP3(3);

  private final int id;

  public int getId() {
    return id;
  }

  TestEnum(int id){
    this.id = id;
  }
}