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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2009, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.runtime
import Predef._
@serializable
final class BoxedIntArray(val value: Array[Int]) extends BoxedArray {
def length: Int = value.length
def apply(index: Int): Any = Int.box(value(index))
def update(index: Int, elem: Any) {
value(index) = Int.unbox(elem.asInstanceOf[AnyRef])
}
def unbox(elemTag: String): AnyRef = value
def unbox(elemClass: Class[_]): AnyRef = value
override def equals(other: Any) =
value == other ||
other.isInstanceOf[BoxedIntArray] && value == other.asInstanceOf[BoxedIntArray].value
override def hashCode(): Int = value.hashCode()
def subArray(start: Int, end: Int): Array[Int] = {
val result = new Array[Int](end - start)
Array.copy(value, start, result, 0, end - start)
result
}
final override def filter(p: Any => Boolean): BoxedArray = {
val include = new Array[Boolean](value.length)
var len = 0
var i = 0
while (i < value.length) {
if (p(value(i))) { include(i) = true; len += 1 }
i += 1
}
val result = new Array[Int](len)
len = 0
i = 0
while (len < result.length) {
if (include(i)) { result(len) = value(i); len += 1 }
i += 1
}
new BoxedIntArray(result)
}
override protected def newArray(length : Int, elements : Iterator[Any]) = {
val result = new Array[Int](length)
elements.map(_.asInstanceOf[Int]).copyToArray(result, 0)
new BoxedIntArray(result)
}
}
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