io.delta.kernel

Enum Operation

Object

Enum<Operation>

io.delta.kernel.Operation

All Implemented Interfaces:

java.io.Serializable, Comparable<Operation>

public enum Operation
extends Enum<Operation>

An operation that can be performed on a Delta table.

An operation is tracked as the first line in commit info action inside the Delta Log It also shows up when DESCRIBE HISTORY on the table is executed.

Enum Constant Summary

Enum Constants

Enum Constant and Description
CREATE_TABLE Recorded when the table is created.
MANUAL_UPDATE For any operation that doesn't fit the above categories.
STREAMING_UPDATE Recorded during streaming inserts.
WRITE Recorded during batch inserts.

Method Summary

Modifier and Type	Method and Description
String	getDescription() Returns the string that will be recorded in the transaction log.
static Operation	valueOf(String name) Returns the enum constant of this type with the specified name.
static Operation[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class Enum

compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

CREATE_TABLE

public static final Operation CREATE_TABLE

Recorded when the table is created.

WRITE

public static final Operation WRITE

Recorded during batch inserts.

STREAMING_UPDATE

public static final Operation STREAMING_UPDATE

Recorded during streaming inserts.

MANUAL_UPDATE

public static final Operation MANUAL_UPDATE

For any operation that doesn't fit the above categories.

Method Detail

values

public static Operation[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (Operation c : Operation.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static Operation valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

getDescription

public String getDescription()

Returns the string that will be recorded in the transaction log.