Class NotLeaderException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

com.loomcache.common.exception.LoomException

com.loomcache.common.exception.NotLeaderException

All Implemented Interfaces:

Serializable

public final class NotLeaderException
extends LoomException

Thrown when a non-leader node receives a write request.

This exception is returned to clients when they attempt to perform a write operation on a follower node. The exception includes information about the current leader (if known), allowing clients to redirect their request.

Clients should catch this exception, extract the leader information, and retry the write operation against the leader node.

Since:

1.0

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
NotLeaderException(@Nullable String leaderId)	Creates a new NotLeaderException with only the leader ID.
NotLeaderException(@Nullable String leaderId, @Nullable String leaderAddress)	Creates a new NotLeaderException with leader information.

Method Summary

Modifier and Type	Method	Description
boolean	hasLeaderInfo()	Checks if this exception has valid leader information.

Methods inherited from class Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

NotLeaderException

public NotLeaderException(@Nullable String leaderId,
 @Nullable String leaderAddress)

Creates a new NotLeaderException with leader information.

Parameters:

leaderId - the ID of the current leader, or null if unknown

leaderAddress - the address of the current leader (host:port), or null if unknown

NotLeaderException

public NotLeaderException(@Nullable String leaderId)

Creates a new NotLeaderException with only the leader ID.

Parameters:

leaderId - the ID of the current leader, or null if unknown

Method Details

hasLeaderInfo

public boolean hasLeaderInfo()

Checks if this exception has valid leader information.

Returns:

true if both leaderId and leaderAddress are available