diff options
| -rw-r--r-- | core/src/main/scala/org/apache/spark/storage/StorageLevel.scala | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/core/src/main/scala/org/apache/spark/storage/StorageLevel.scala b/core/src/main/scala/org/apache/spark/storage/StorageLevel.scala index 95e71de2d3..c9a52e0366 100644 --- a/core/src/main/scala/org/apache/spark/storage/StorageLevel.scala +++ b/core/src/main/scala/org/apache/spark/storage/StorageLevel.scala @@ -19,6 +19,8 @@ package org.apache.spark.storage import java.io.{Externalizable, IOException, ObjectInput, ObjectOutput} +import org.apache.spark.annotation.DeveloperApi + /** * Flags for controlling the storage of an RDD. Each StorageLevel records whether to use memory, * or Tachyon, whether to drop the RDD to disk if it falls out of memory or Tachyon , whether to @@ -142,21 +144,37 @@ object StorageLevel { val MEMORY_AND_DISK_SER_2 = new StorageLevel(true, true, false, false, 2) val OFF_HEAP = new StorageLevel(false, false, true, false) - /** Create a new StorageLevel object without setting useOffHeap */ + /** + * :: DeveloperApi :: + * Create a new StorageLevel object without setting useOffHeap + */ + @DeveloperApi def apply(useDisk: Boolean, useMemory: Boolean, useOffHeap: Boolean, deserialized: Boolean, replication: Int) = getCachedStorageLevel( new StorageLevel(useDisk, useMemory, useOffHeap, deserialized, replication)) - /** Create a new StorageLevel object */ + /** + * :: DeveloperApi :: + * Create a new StorageLevel object + */ + @DeveloperApi def apply(useDisk: Boolean, useMemory: Boolean, deserialized: Boolean, replication: Int = 1) = getCachedStorageLevel( new StorageLevel(useDisk, useMemory, false, deserialized, replication)) - /** Create a new StorageLevel object from its integer representation */ + /** + * :: DeveloperApi :: + * Create a new StorageLevel object from its integer representation + */ + @DeveloperApi def apply(flags: Int, replication: Int): StorageLevel = getCachedStorageLevel(new StorageLevel(flags, replication)) - /** Read StorageLevel object from ObjectInput stream */ + /** + * :: DeveloperApi :: + * Read StorageLevel object from ObjectInput stream + */ + @DeveloperApi def apply(in: ObjectInput): StorageLevel = { val obj = new StorageLevel() obj.readExternal(in) |