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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2007, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.runtime
import Predef._
import compat.Platform.createArray
@serializable
final class BoxedObjectArray(val value: Array[AnyRef]) extends BoxedArray {
def length: Int = value.length
def apply(index: Int): Any = value(index)
def update(index: Int, elem: Any) {
value(index) = elem.asInstanceOf[AnyRef]
}
def unbox(elemTag: String): AnyRef = value
def unbox(elemClass: Class[_]): AnyRef = value
override def equals(other: Any): Boolean =
value == other ||
other.isInstanceOf[BoxedObjectArray] && value == other.asInstanceOf[BoxedObjectArray].value
override def hashCode(): Int = value.hashCode()
private def create(length: Int): Array[AnyRef] = {
createArray(value.getClass().getComponentType(), length).asInstanceOf[Array[AnyRef]]
}
override def subArray(start: Int, end: Int): Array[AnyRef] = {
val result = create(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 = create(len)
len = 0
i = 0
while (len < result.length) {
if (include(i)) { result(len) = value(i); len += 1 }
i += 1
}
new BoxedObjectArray(result)
}
override protected def newArray(length: Int, elements: Iterator[Any]) = {
val result = create(length)
elements.map(_.asInstanceOf[AnyRef]).copyToArray(result, 0)
new BoxedObjectArray(result)
}
}
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