public static _Fields findByThriftId(int fieldId){
switch (fieldId) {
case 1:
    return VOCAB;
case 2:
  return LAYER_SIZE;
case 3:
return VECTORS;
default :
return null;
}
}

public static _Fields findByThriftId ( int fieldId ) { switch ( fieldId ) { case 1 : return VOCAB ; case 2 : return LAYER_SIZE ; case 3 : return VECTORS ; default : return null ; } }
find the _fields constant that matches fieldid , or null if its not found .
