org.apache.hadoop.hbase.regionserver.wal

Enum WALActionsListener.RollRequestReason

java.lang.Object

java.lang.Enum<WALActionsListener.RollRequestReason>

org.apache.hadoop.hbase.regionserver.wal.WALActionsListener.RollRequestReason

All Implemented Interfaces:

Serializable, Comparable<WALActionsListener.RollRequestReason>

Enclosing interface:

WALActionsListener

public static enum WALActionsListener.RollRequestReason
extends Enum<WALActionsListener.RollRequestReason>

The reason for the log roll request.

Enum Constant Summary

Enum Constants

Enum Constant and Description
ERROR I/O or other error.
LOW_REPLICATION Too few replicas in the writer pipeline.
SIZE The length of the log exceeds the roll size threshold.
SLOW_SYNC Too much time spent waiting for sync.

Method Summary

Modifier and Type	Method and Description
static WALActionsListener.RollRequestReason	valueOf(String name) Returns the enum constant of this type with the specified name.
static WALActionsListener.RollRequestReason[]	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

SIZE

public static final WALActionsListener.RollRequestReason SIZE

The length of the log exceeds the roll size threshold.

LOW_REPLICATION

public static final WALActionsListener.RollRequestReason LOW_REPLICATION

Too few replicas in the writer pipeline.

SLOW_SYNC

public static final WALActionsListener.RollRequestReason SLOW_SYNC

Too much time spent waiting for sync.

ERROR

public static final WALActionsListener.RollRequestReason ERROR

I/O or other error.

Method Detail

values

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

Returns:

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

valueOf

public static WALActionsListener.RollRequestReason 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