org.axonframework.common.lock

Class PessimisticLockFactory.Builder

java.lang.Object

org.axonframework.common.lock.PessimisticLockFactory.Builder

Enclosing class:

PessimisticLockFactory

public static class PessimisticLockFactory.Builder
extends Object

Builder class for the PessimisticLockFactory.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Builder() Default constructor

Method Summary

Modifier and Type	Method and Description
PessimisticLockFactory.Builder	acquireAttempts(int acquireAttempts) Indicates howmany attempts should be done to acquire a lock.
PessimisticLockFactory	build() Builds the PessimisticLockFactory instance using the properties defined in this builder
PessimisticLockFactory.Builder	lockAttemptTimeout(int lockAttemptTimeout) The duration of a single attempt to acquire the internal lock.
PessimisticLockFactory.Builder	queueLengthThreshold(int maximumQueued) Defines the maximum number of queued threads to allow for this lock.

Methods inherited from class java.lang.Object

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

Constructor Detail

Builder

protected Builder()

Default constructor

Method Detail

acquireAttempts

public PessimisticLockFactory.Builder acquireAttempts(int acquireAttempts)

Indicates howmany attempts should be done to acquire a lock. In combination with the lockAttemptTimeout(int), this defines the total timeout of a lock acquisition.

Defaults to 100.

Parameters:

acquireAttempts - The number of attempts to acquire the lock

Returns:

this Builder, for further configuration

queueLengthThreshold

public PessimisticLockFactory.Builder queueLengthThreshold(int maximumQueued)

Defines the maximum number of queued threads to allow for this lock. If the given number of threads are waiting to acquire a lock, and another thread joins, that thread will immediately fail any attempt to acquire the lock, as if it had timed out.

Defaults to unbounded.

Parameters:

maximumQueued - The maximum number of threads to allow in the queue for this lock

Returns:

this Builder, for further configuration

lockAttemptTimeout

public PessimisticLockFactory.Builder lockAttemptTimeout(int lockAttemptTimeout)

The duration of a single attempt to acquire the internal lock. In combination with the acquireAttempts(int), this defines the total timeout of an acquisition attempt.

Defaults to 600ms.

Parameters:

lockAttemptTimeout - The duration of a single aqcuisition attempt of the internal lock, in milliseconds

Returns:

this Builder, for further configuration

build

public PessimisticLockFactory build()

Builds the PessimisticLockFactory instance using the properties defined in this builder

Returns:

a fully configured PessimisticLockFactory instance