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

Enum FlowScannerOperation

java.lang.Object

java.lang.Enum<FlowScannerOperation>

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

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<FlowScannerOperation>

public enum FlowScannerOperation
extends java.lang.Enum<FlowScannerOperation>

Identifies the scanner operation on the FlowRunTable.

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(java.lang.String name)	Returns the enum constant of this type with the specified name.
static FlowScannerOperation[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

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 Detail

values

public static FlowScannerOperation[] 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 (FlowScannerOperation c : FlowScannerOperation.values())
    System.out.println(c);

Returns:

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

valueOf

public static FlowScannerOperation valueOf(java.lang.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:

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

java.lang.NullPointerException - if the argument is null