Package org.apache.hadoop.yarn.server.timelineservice.storage.flow

Enum Class FlowScannerOperation

java.lang.Object

java.lang.Enum<FlowScannerOperation>

org.apache.hadoop.yarn.server.timelineservice.storage.flow.FlowScannerOperation

All Implemented Interfaces:

Serializable, Comparable<FlowScannerOperation>, Constable

public enum FlowScannerOperation
extends Enum<FlowScannerOperation>

Identifies the scanner operation on the FlowRunTable.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
FLUSH	If the scanner is opened during preFlush.
MAJOR_COMPACTION	If the scanner is opened during major Compaction.
MINOR_COMPACTION	If the scanner is opened during minor Compaction.
READ	If the scanner is opened for reading during preGet or preScan.

Method Summary

Modifier and Type	Method	Description
static FlowScannerOperation	valueOf(String name)	Returns the enum constant of this class with the specified name.
static FlowScannerOperation[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

READ

public static final FlowScannerOperation READ

If the scanner is opened for reading during preGet or preScan.

FLUSH

public static final FlowScannerOperation FLUSH

If the scanner is opened during preFlush.

MINOR_COMPACTION

public static final FlowScannerOperation MINOR_COMPACTION

If the scanner is opened during minor Compaction.

MAJOR_COMPACTION

public static final FlowScannerOperation MAJOR_COMPACTION

If the scanner is opened during major Compaction.

Method Details

values

public static FlowScannerOperation[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

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

valueOf

public static FlowScannerOperation valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name

NullPointerException - if the argument is null