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SNRK-68: Implement local storage

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This commit is contained in:
Kirill Grachev 2023-05-04 21:12:23 +03:00
parent 634eb2d69d
commit b6db0ba479
1 changed files with 13 additions and 6 deletions
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19
snark-storage-driver/src/main/kotlin/space/kscience/snark/storage/local/LocalDriver.kt
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@ -7,7 +7,7 @@ import java.nio.file.Path
import kotlin.io.path.*
public fun localStorage(rootPath: Path): Directory {
return LocalDirectory(rootPath)
return LocalDirectory(rootPath, Path(""))
}
private class LocalFile(private val path: Path) : FileReader, FileWriter {
@ -17,14 +17,16 @@ private class LocalFile(private val path: Path) : FileReader, FileWriter {
override suspend fun write(bytes: ByteArray) = path.writeBytes(bytes)
}
private class LocalDirectory(private val path: Path) : Directory {
private fun child(child: String): Path = path / child
private fun child(child: Path): Path = path / child
private class LocalDirectory(private val root: Path, private val currentDir: Path) : Directory {
private fun child(child: String): Path = root / currentDir / child
private fun child(child: Path): Path = root / currentDir / child
override fun close() {}
override suspend fun get(filename: String): FileReader = LocalFile(child(filename))
override suspend fun get(filename: Path): FileReader = LocalFile(child(filename))
override suspend fun create(filename: String, ignoreIfExists: Boolean) {
try {
child(filename).createFile()
@ -37,7 +39,9 @@ private class LocalDirectory(private val path: Path) : Directory {
override suspend fun put(filename: String): FileWriter = LocalFile(child(filename))
override suspend fun getSubdir(path: Path): Directory = LocalDirectory(child(path))
override suspend fun put(filename: Path): FileWriter = LocalFile(child(filename))
override suspend fun getSubdir(path: Path): Directory = LocalDirectory(root, child(path))
override suspend fun createSubdir(dirname: String, ignoreIfExists: Boolean): Directory {
val dir = child(dirname)
try {
@ -47,6 +51,9 @@ private class LocalDirectory(private val path: Path) : Directory {
throw ex
}
}
return LocalDirectory(dir)
return LocalDirectory(root, dir)
}
override val path: Path
get() = currentDir
}