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toStrings for some concurrent restrictions

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Mark Harrah
2012-08-27 08:33:33 -04:00
parent 8c0a2fbe1c
commit feffe4feb0
1 changed files with 3 additions and 1 deletions
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main/Tags.scala
+3 -1
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@@ -32,10 +32,12 @@ object Tags
private[this] final class Single(tag: Tag, max: Int) extends Rule {
checkMax(max)
def apply(m: TagMap) = getInt(m, tag) <= max
override def toString = "Limit " + tag.name + " to " + max
}
private[this] final class Sum(tags: Seq[Tag], max: Int) extends Rule {
checkMax(max)
def apply(m: TagMap) = (0 /: tags)((sum, t) => sum + getInt(m, t)) <= max
def apply(m: TagMap) = (0 /: tags)((sum, t) => sum + getInt(m, t)) <= max
override def toString = tags.mkString("Limit sum of ", ", ", " to " + max)
}
private[this] def checkMax(max: Int): Unit = assert(max >= 1, "Limit must be at least 1.")