[SPARKNLP-1096] Adding support to Microsoft Fabric for WordEmbeddings

src/main/scala/com/johnsnowlabs/client/util/CloudHelper.scala

@@ -15,8 +15,8 @@
  */
 package com.johnsnowlabs.client.util
 
-import com.johnsnowlabs.nlp.util.io.CloudStorageType
 import com.johnsnowlabs.nlp.util.io.CloudStorageType.CloudStorageType
+import com.johnsnowlabs.nlp.util.io.{CloudStorageType, ResourceHelper}
 
 import java.net.{URI, URL}
 
@@ -71,7 +71,8 @@ object CloudHelper {
   }
 
   def isCloudPath(uri: String): Boolean = {
-    isS3Path(uri) || isGCPStoragePath(uri) || isAzureBlobPath(uri)
+    val intraCloudPath = isIntraCloudPath(uri)
+    (isS3Path(uri) || isGCPStoragePath(uri) || isAzureBlobPath(uri)) && !intraCloudPath
   }
 
   def isS3Path(uri: String): Boolean = {
@@ -81,7 +82,16 @@ object CloudHelper {
   private def isGCPStoragePath(uri: String): Boolean = uri.startsWith("gs://")
 
   private def isAzureBlobPath(uri: String): Boolean = {
-    uri.startsWith("https://") && uri.contains(".blob.core.windows.net/")
+    (uri.startsWith("https://") && uri.contains(".blob.core.windows.net/")) || uri.startsWith(
+      "abfss://")
+  }
+
+  private def isIntraCloudPath(uri: String): Boolean = {
+    uri.startsWith("abfss://") && isMicrosoftFabric
+  }
+
+  def isMicrosoftFabric: Boolean = {
+    ResourceHelper.spark.conf.getAll.keys.exists(_.startsWith("spark.fabric"))
   }
 
   def cloudType(uri: String): CloudStorageType = {

src/main/scala/com/johnsnowlabs/storage/RocksDBConnection.scala

@@ -43,9 +43,11 @@ final class RocksDBConnection private (path: String) extends AutoCloseable {
 
   def findLocalIndex: String = {
     val tmpIndexStorageLocalPath = RocksDBConnection.getTmpIndexStorageLocalPath(path)
-    if (new File(tmpIndexStorageLocalPath).exists()) {
+    val tmpIndexStorageLocalPathExists = new File(tmpIndexStorageLocalPath).exists()
+    val pathExist = new File(path.stripPrefix("file:")).exists()
+    if (tmpIndexStorageLocalPathExists) {
       tmpIndexStorageLocalPath
-    } else if (new File(path).exists()) {
+    } else if (pathExist) {
       path
     } else {
       val localFromClusterPath = SparkFiles.get(path)

src/main/scala/com/johnsnowlabs/storage/StorageHelper.scala

@@ -17,6 +17,7 @@
 package com.johnsnowlabs.storage
 
 import com.johnsnowlabs.client.CloudResources
+import com.johnsnowlabs.client.util.CloudHelper
 import org.apache.hadoop.fs.{FileSystem, FileUtil, Path}
 import org.apache.spark.sql.SparkSession
 import org.apache.spark.{SparkContext, SparkFiles}
@@ -34,7 +35,6 @@ object StorageHelper {
       database: String,
       storageRef: String,
       withinStorage: Boolean): RocksDBConnection = {
-
     val dbFolder = StorageHelper.resolveStorageName(database, storageRef)
     val source = StorageLocator.getStorageSerializedPath(
       storageSourcePath.replaceAllLiterally("\\", "/"),
@@ -49,7 +49,11 @@ object StorageHelper {
       locator.destinationScheme,
       spark.sparkContext)
 
-    RocksDBConnection.getOrCreate(locator.clusterFileName)
+    val storagePath = if (locator.clusterFilePath.toString.startsWith("file:")) {
+      locator.clusterFilePath.toString
+    } else locator.clusterFileName
+
+    RocksDBConnection.getOrCreate(storagePath)
   }
 
   def save(
@@ -96,9 +100,19 @@ object StorageHelper {
           }
           case "s3a" =>
             copyIndexToLocal(source, new Path(tmpIndexStorageLocalPath), sparkContext)
-          case _ => copyIndexToCluster(source, clusterFilePath, sparkContext)
+          case _ => {
+            copyIndexToCluster(source, clusterFilePath, sparkContext)
+          }
         }
       }
+      case "abfss" =>
+        if (clusterFilePath.toString.startsWith("file:")) {
+          val tmpIndexStorageLocalPath =
+            RocksDBConnection.getTmpIndexStorageLocalPath(clusterFileName)
+          copyIndexToCluster(source, new Path("file://" + tmpIndexStorageLocalPath), sparkContext)
+        } else {
+          copyIndexToLocal(source, clusterFilePath, sparkContext)
+        }
       case _ => {
         copyIndexToCluster(source, clusterFilePath, sparkContext)
       }
@@ -120,7 +134,8 @@ object StorageHelper {
       sourcePath: Path,
       dst: Path,
       sparkContext: SparkContext): String = {
-    if (!new File(SparkFiles.get(dst.getName)).exists()) {
+    val destinationInSpark = new File(SparkFiles.get(dst.getName)).exists()
+    if (!destinationInSpark) {
       val srcFS = sourcePath.getFileSystem(sparkContext.hadoopConfiguration)
       val dstFS = dst.getFileSystem(sparkContext.hadoopConfiguration)
 
@@ -138,7 +153,9 @@ object StorageHelper {
           sparkContext.hadoopConfiguration)
       }
 
-      sparkContext.addFile(dst.toString, recursive = true)
+      if (!CloudHelper.isMicrosoftFabric) {
+        sparkContext.addFile(dst.toString, recursive = true)
+      }
     }
     dst.toString
   }

src/main/scala/com/johnsnowlabs/storage/StorageLocator.scala

@@ -29,29 +29,47 @@ case class StorageLocator(database: String, storageRef: String, sparkSession: Sp
     if (tmpLocation.matches("s3[a]?:/.*")) {
       tmpLocation
     } else {
-      val tmpLocationPath = new Path(tmpLocation)
-      fileSystem.mkdirs(tmpLocationPath)
-      fileSystem.deleteOnExit(tmpLocationPath)
-      tmpLocation
+      fileSystem.getScheme match {
+        case "abfss" =>
+          if (tmpLocation.startsWith("abfss:")) {
+            tmpLocation
+          } else {
+            "file:///" + tmpLocation
+          }
+        case _ =>
+          val tmpLocationPath = new Path(tmpLocation)
+          fileSystem.mkdirs(tmpLocationPath)
+          fileSystem.deleteOnExit(tmpLocationPath)
+          tmpLocation
+      }
     }
   }
 
-  val clusterFileName: String = {
-    StorageHelper.resolveStorageName(database, storageRef)
-  }
+  val clusterFileName: String = { StorageHelper.resolveStorageName(database, storageRef) }
 
   val clusterFilePath: Path = {
     if (!getTmpLocation.matches("s3[a]?:/.*")) {
       val scheme = Option(new Path(clusterTmpLocation).toUri.getScheme).getOrElse("")
       scheme match {
-        case "dbfs" | "hdfs" =>
-          Path.mergePaths(new Path(clusterTmpLocation), new Path("/" + clusterFileName))
-        case _ =>
-          Path.mergePaths(
-            new Path(fileSystem.getUri.toString + clusterTmpLocation),
-            new Path("/" + clusterFileName))
+        case "dbfs" | "hdfs" => mergePaths()
+        case "file" =>
+          val uri = fileSystem.getUri.toString
+          if (uri.startsWith("abfss:")) { mergePaths() }
+          else { mergePaths(withFileSystem = true) }
+        case "abfss" => mergePaths()
+        case _ => mergePaths(withFileSystem = true)
       }
-    } else new Path(clusterTmpLocation + "/" + clusterFileName)
+    } else {
+      new Path(clusterTmpLocation + "/" + clusterFileName)
+    }
+  }
+
+  private def mergePaths(withFileSystem: Boolean = false): Path = {
+    if (withFileSystem) {
+      Path.mergePaths(
+        new Path(fileSystem.getUri.toString + clusterTmpLocation),
+        new Path("/" + clusterFileName))
+    } else Path.mergePaths(new Path(clusterTmpLocation), new Path("/" + clusterFileName))
   }
 
   val destinationScheme: String = fileSystem.getScheme

src/main/scala/com/johnsnowlabs/util/Version.scala

@@ -48,9 +48,10 @@ object Version {
   def parse(str: String): Version = {
     val parts = str
       .replaceAll("-rc\\d", "")
-      .split('.')
+      .split("[.-]")
       .takeWhile(p => isInteger(p))
       .map(p => p.toInt)
+      .take(3)
       .toList
 
     Version(parts)

src/test/scala/com/johnsnowlabs/nlp/util/VersionTest.scala

@@ -16,13 +16,14 @@
 
 package com.johnsnowlabs.nlp.util
 
+import com.johnsnowlabs.tags.FastTest
 import com.johnsnowlabs.util.Version
 import org.junit.Assert.{assertFalse, assertTrue}
 import org.scalatest.flatspec.AnyFlatSpec
 
 class VersionTest extends AnyFlatSpec {
 
-  "Version" should "cast to float version of 1 digit" in {
+  "Version" should "cast to float version of 1 digit" taggedAs FastTest in {
 
     val actualVersion1 = Version(1).toFloat
     val actualVersion15 = Version(15).toFloat
@@ -32,15 +33,15 @@ class VersionTest extends AnyFlatSpec {
 
   }
 
-  it should "cast to float version of 2 digits" in {
+  it should "cast to float version of 2 digits" taggedAs FastTest in {
     val actualVersion1_2 = Version(List(1, 2)).toFloat
     val actualVersion2_7 = Version(List(2, 7)).toFloat
 
     assert(actualVersion1_2 == 1.2f)
     assert(actualVersion2_7 == 2.7f)
   }
 
-  it should "cast to float version of 3 digits" in {
+  it should "cast to float version of 3 digits" taggedAs FastTest in {
     val actualVersion1_2_5 = Version(List(1, 2, 5)).toFloat
     val actualVersion3_2_0 = Version(List(3, 2, 0)).toFloat
     val actualVersion2_0_6 = Version(List(2, 0, 6)).toFloat
@@ -50,13 +51,13 @@ class VersionTest extends AnyFlatSpec {
     assert(actualVersion2_0_6 == 2.06f)
   }
 
-  it should "raise error when casting to float version > 3 digits" in {
+  it should "raise error when casting to float version > 3 digits" taggedAs FastTest in {
     assertThrows[UnsupportedOperationException] {
       Version(List(3, 0, 2, 5)).toFloat
     }
   }
 
-  it should "be compatible for latest versions" in {
+  it should "be compatible for latest versions" taggedAs FastTest in {
     var currentVersion = Version(List(1, 2, 3))
     var modelVersion = Version(List(1, 2))
 
@@ -80,7 +81,7 @@ class VersionTest extends AnyFlatSpec {
 
   }
 
-  it should "be not compatible for latest versions" in {
+  it should "be not compatible for latest versions" taggedAs FastTest in {
     var currentVersion = Version(List(1, 2))
     var modelVersion = Version(List(1, 2, 3))
 
@@ -103,4 +104,71 @@ class VersionTest extends AnyFlatSpec {
     assertFalse(isNotCompatible)
   }
 
+  it should "parse a version with fewer than 3 numbers" taggedAs FastTest in {
+    val someVersion = "3.2"
+    val expectedVersion = "3.2"
+    val expectedFloatVersion = 3.2f
+    val actualVersion = Version.parse(someVersion)
+
+    assert(expectedVersion == actualVersion.toString)
+    assert(expectedFloatVersion == actualVersion.toFloat)
+  }
+
+  it should "parse a version with 3 numbers" taggedAs FastTest in {
+    val someVersion = "3.4.2"
+    val expectedFloatVersion = 3.42f
+    val actualVersion = Version.parse(someVersion)
+
+    assert(someVersion == actualVersion.toString)
+    assert(expectedFloatVersion == actualVersion.toFloat)
+  }
+
+  it should "truncate a version to 3 digits when it has more than 3 digits" taggedAs FastTest in {
+    val someVersion = "3.5.1.5.4.20241007.4"
+    val expectedVersion = "3.5.1"
+    val expectedFloatVersion = 3.51f
+    val actualVersion = Version.parse(someVersion)
+
+    assert(expectedVersion == actualVersion.toString)
+    assert(expectedFloatVersion == actualVersion.toFloat)
+  }
+
+  it should "handle a version with missing parts" taggedAs FastTest in {
+    val someVersion = "3"
+    val expectedVersion = "3"
+    val expectedFloatVersion = 3.0f
+    val actualVersion = Version.parse(someVersion)
+
+    assert(expectedVersion == actualVersion.toString)
+    assert(expectedFloatVersion == actualVersion.toFloat)
+  }
+
+  it should "handle a version with 3 digits and additional suffix" taggedAs FastTest in {
+    val someVersion = "3.4.2-beta"
+    val expectedVersion = "3.4.2"
+    val expectedFloatVersion = 3.42f
+    val actualVersion = Version.parse(someVersion)
+
+    assert(expectedVersion == actualVersion.toString)
+    assert(expectedFloatVersion == actualVersion.toFloat)
+  }
+
+  it should "raise exception with non-numeric and no valid parts" taggedAs FastTest in {
+    val someVersion = "alpha.beta.gamma"
+
+    assertThrows[UnsupportedOperationException] {
+      Version.parse(someVersion).toFloat
+    }
+  }
+
+  it should "handle a version with mixed numeric and non-numeric parts" taggedAs FastTest in {
+    val someVersion = "3.4-alpha.2"
+    val expectedVersion = "3.4"
+    val expectedFloatVersion = 3.4f
+    val actualVersion = Version.parse(someVersion)
+
+    assert(expectedVersion == actualVersion.toString)
+    assert(expectedFloatVersion == actualVersion.toFloat)
+  }
+
 }