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package spark.api.java;
import spark.storage.StorageLevel;
/**
* Expose some commonly useful storage level constants.
*/
public class StorageLevels {
public static final StorageLevel NONE = new StorageLevel(false, false, false, 1);
public static final StorageLevel DISK_ONLY = new StorageLevel(true, false, false, 1);
public static final StorageLevel DISK_ONLY_2 = new StorageLevel(true, false, false, 2);
public static final StorageLevel MEMORY_ONLY = new StorageLevel(false, true, true, 1);
public static final StorageLevel MEMORY_ONLY_2 = new StorageLevel(false, true, true, 2);
public static final StorageLevel MEMORY_ONLY_SER = new StorageLevel(false, true, false, 1);
public static final StorageLevel MEMORY_ONLY_SER_2 = new StorageLevel(false, true, false, 2);
public static final StorageLevel MEMORY_AND_DISK = new StorageLevel(true, true, true, 1);
public static final StorageLevel MEMORY_AND_DISK_2 = new StorageLevel(true, true, true, 2);
public static final StorageLevel MEMORY_AND_DISK_SER = new StorageLevel(true, true, false, 1);
public static final StorageLevel MEMORY_AND_DISK_SER_2 = new StorageLevel(true, true, false, 2);
/**
* Create a new StorageLevel object.
* @param useDisk saved to disk, if true
* @param useMemory saved to memory, if true
* @param deserialized saved as deserialized objects, if true
* @param replication replication factor
*/
public static StorageLevel create(boolean useDisk, boolean useMemory, boolean deserialized, int replication) {
return StorageLevel.apply(useDisk, useMemory, deserialized, replication);
}
}
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