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fix FilesInfo style type member, fix PlainFileInfo to track existence

This commit is contained in:
Mark Harrah 2010-12-02 19:51:56 -05:00
parent 506722d748
commit a477c9123d
1 changed files with 13 additions and 7 deletions
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20
cache/FileInfo.scala vendored
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@ -21,9 +21,12 @@ sealed trait ModifiedFileInfo extends FileInfo
val lastModified: Long
}
sealed trait PlainFileInfo extends FileInfo
{
def exists: Boolean
}
sealed trait HashModifiedFileInfo extends HashFileInfo with ModifiedFileInfo
private final case class PlainFile(file: File) extends PlainFileInfo
private final case class PlainFile(file: File, exists: Boolean) extends PlainFileInfo
private final case class FileHash(file: File, hash: List[Byte]) extends HashFileInfo
private final case class FileModified(file: File, lastModified: Long) extends ModifiedFileInfo
private final case class FileHashModified(file: File, hash: List[Byte], lastModified: Long) extends HashModifiedFileInfo
@ -72,8 +75,8 @@ object FileInfo
{
type F = PlainFileInfo
implicit def apply(file: File): PlainFileInfo = make(file)
def make(file: File): PlainFileInfo = PlainFile(file.getAbsoluteFile)
implicit val format: Format[PlainFileInfo] = wrap(_.file, make)
def make(file: File): PlainFileInfo = { val abs = file.getAbsoluteFile; PlainFile(abs, abs.exists) }
implicit val format: Format[PlainFileInfo] = asProduct2[PlainFileInfo, File, Boolean](PlainFile.apply)(x => (x.file, x.exists))
}
}
@ -82,22 +85,25 @@ object FilesInfo
{
sealed abstract class Style
{
val fileStyle: FileInfo.Style
type F = fileStyle.F
type F <: FileInfo
val fileStyle: FileInfo.Style { type F = Style.this.F }
//def manifest: Manifest[F] = fileStyle.manifest
implicit def apply(files: Set[File]): FilesInfo[F]
implicit def unapply(info: FilesInfo[F]): Set[File] = info.files.map(_.file)
implicit val formats: Format[FilesInfo[F]]
val manifest: Manifest[Format[FilesInfo[F]]]
def empty: FilesInfo[F] = new FilesInfo(Set.empty)
def empty: FilesInfo[F] = new FilesInfo[F](Set.empty)
import Cache._
implicit def infosInputCache: InputCache[FilesInfo[F]] = basicInput
implicit def filesInputCache: InputCache[Set[File]] = wrapIn[Set[File],FilesInfo[F]]
implicit def filesInfoEquiv: Equiv[FilesInfo[F]] = defaultEquiv
}
private final class BasicStyle[FI <: FileInfo](val fileStyle: FileInfo.Style { type F = FI })
private final class BasicStyle[FI <: FileInfo](style: FileInfo.Style { type F = FI })
(implicit val manifest: Manifest[Format[FilesInfo[FI]]]) extends Style
{
type F = FI
val fileStyle: FileInfo.Style { type F = FI } = style
private implicit val infoFormat: Format[FI] = fileStyle.format
implicit def apply(files: Set[File]): FilesInfo[F] = FilesInfo( files.map(_.getAbsoluteFile).map(fileStyle.apply) )
implicit val formats: Format[FilesInfo[F]] = wrap(_.files, (fs: Set[F]) => new FilesInfo(fs))