GEOMESA-445 Create Temporal Density Iterator

I'm having a hard time figuring out how to make this look best with a case statement because there are multiple booleans being checked.

So far I've come up with this style:

val a = (true/false) 
val b = (true/false)
val queries = true match {
  case \`a\` => "Do something"
  case \`b\` => "Do something else"
  case true => "Do default"
}

Is this any cleaner than the current state of code?