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author | Lukas Rytz <lukas.rytz@epfl.ch> | 2010-11-30 15:38:56 +0000 |
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committer | Lukas Rytz <lukas.rytz@epfl.ch> | 2010-11-30 15:38:56 +0000 |
commit | 4be5e11cccace4974ed9a449052455392570139f (patch) | |
tree | 88c86bc65b88df08b48584ed791acd1619983c0c /src/library/scala/math/BigDecimal.scala | |
parent | 402d96dd3fab6ae677966a9a258c00b3f34a37ed (diff) | |
download | scala-4be5e11cccace4974ed9a449052455392570139f.tar.gz scala-4be5e11cccace4974ed9a449052455392570139f.tar.bz2 scala-4be5e11cccace4974ed9a449052455392570139f.zip |
Deprecated the @serializable annotation, introd...
Deprecated the @serializable annotation, introduce a new trait
"scala.Serializable" which has to be extended instead (cross-platform).
Known issues:
- Companion objects of serializable classes (including case classes) are automatically made serializable. However, they don't extend "Serializable" statically because of the known difficulty (should be done before typing, but hard).
- Writing "case class C() extends Serializable" gives "error: trait Serializable is inherited twice"
- Functions are serializable, but don't extend Serializable dynamically (could be fixed by making FunctionN Serializable - shouldn't we?)
Note that @SerialVersionUID continues to be an annotation; it generates
a static field, which is not possible otherwise in scala.
Review by dragos, extempore.
Question to dragos: in JavaPlatform.isMaybeBoxed, why is there a test
for "JavaSerializableClass"? Is that correct?
Diffstat (limited to 'src/library/scala/math/BigDecimal.scala')
-rw-r--r-- | src/library/scala/math/BigDecimal.scala | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/library/scala/math/BigDecimal.scala b/src/library/scala/math/BigDecimal.scala index 3fcc00222b..c2c23f9ce8 100644 --- a/src/library/scala/math/BigDecimal.scala +++ b/src/library/scala/math/BigDecimal.scala @@ -34,8 +34,7 @@ object BigDecimal { /** Cache ony for defaultMathContext using BigDecimals in a small range. */ private lazy val cache = new Array[BigDecimal](maxCached - minCached + 1) - @serializable - object RoundingMode extends Enumeration(java.math.RoundingMode.values map (_.toString) : _*) { + object RoundingMode extends Enumeration(java.math.RoundingMode.values map (_.toString) : _*) with Serializable { type RoundingMode = Value val UP, DOWN, CEILING, FLOOR, HALF_UP, HALF_DOWN, HALF_EVEN, UNNECESSARY = Value } @@ -155,11 +154,10 @@ object BigDecimal { * @author Stephane Micheloud * @version 1.0 */ -@serializable class BigDecimal( val bigDecimal: BigDec, val mc: MathContext) -extends ScalaNumber with ScalaNumericConversions +extends ScalaNumber with ScalaNumericConversions with Serializable { def this(bigDecimal: BigDec) = this(bigDecimal, BigDecimal.defaultMathContext) import BigDecimal.RoundingMode._ |