org.tools4j.elara.init

Enum CommandLogMode

java.lang.Object

java.lang.Enum<CommandLogMode>

org.tools4j.elara.init.CommandLogMode

All Implemented Interfaces:

Serializable, Comparable<CommandLogMode>

public enum CommandLogMode
extends Enum<CommandLogMode>

Defines how to resume command log polling when restarting an application with an existing command log.

The default mode is FROM_END so that only new commands will be polled; commands existing in the command log are skipped when starting the application.

Enum Constant Summary

Enum Constants

Enum Constant and Description
FROM_END No replay at all, only newly added commands will be polled
FROM_LAST Resumes polling from the position of the last poll; works only if this mode was used also previously
REPLAY_ALL All commands in the command log are replayed

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_POLLER_ID Poller ID used for FROM_LAST mode.

Method Summary

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

REPLAY_ALL

public static final CommandLogMode REPLAY_ALL

All commands in the command log are replayed

FROM_LAST

public static final CommandLogMode FROM_LAST

Resumes polling from the position of the last poll; works only if this mode was used also previously

FROM_END

public static final CommandLogMode FROM_END

No replay at all, only newly added commands will be polled

Field Detail

DEFAULT_POLLER_ID

public static final String DEFAULT_POLLER_ID

Poller ID used for FROM_LAST mode.

See Also:

Constant Field Values

Method Detail

values

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

Returns:

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

valueOf

public static CommandLogMode 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