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This commit is contained in:
Ivan Li 2019-01-09 21:56:15 +08:00
parent 62328ba803
commit 23bceca7c8
1 changed files with 1 additions and 1 deletions
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scala/src/main/scala/ch29_heap_solutions/FileMerger.scala
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@ -19,7 +19,7 @@ object FileMerger {
val output = File.createTempFile("merged-file", ".txt") val output = File.createTempFile("merged-file", ".txt")
val writer = new BufferedWriter(new FileWriter(output)) val writer = new BufferedWriter(new FileWriter(output))
//init small top heap //init small top heap
val priorityQueue = new mutable.PriorityQueue[Tuple2[Char, Source]]()(Ordering.by((_: (Char, Source))._1).reverse) val priorityQueue = new mutable.PriorityQueue[(Char, Source)]()(Ordering.by((_: (Char, Source))._1).reverse)
val sources = smallFiles.toArray.map(smallFile => Source.fromFile(smallFile)) val sources = smallFiles.toArray.map(smallFile => Source.fromFile(smallFile))
//init fill the priority queue from each file //init fill the priority queue from each file
sources.foreach(source => priorityQueue.enqueue(Tuple2(source.next(), source))) sources.foreach(source => priorityQueue.enqueue(Tuple2(source.next(), source)))