Package org.jboss.as.clustering

Examples of org.jboss.as.clustering.ClusterNode

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        listener.serviceProvidersChanged(nodes, false);
    }

    @Override
    public void unregister(final String service) {
        final ClusterNode node = this.notifier.getClusterNode();
        Operation<Void> operation = new Operation<Void>() {
            @Override
            public Void invoke(Cache<String, Map<ClusterNode, Void>> cache) {
                cache.get(service).remove(node);
                return null;
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            this.stopOldMaster();
        }
    }

    private boolean elected(Set<ClusterNode> candidates) {
        ClusterNode elected = this.election(candidates);
        if (elected != null) {
            SingletonLogger.ROOT_LOGGER.elected(elected.getName(), this.singletonServiceName.getCanonicalName());
        }
        return (elected != null) ? elected.equals(this.dispatcher.getClusterNode()) : false;
    }
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         * Record interest in obtaining the lock. If the lock is unheld and <code>registrant</code> was the last holder of the
         * lock, then <code>registrant</code> will be made holder of the lock.
         * @return a LockState with a lock count one higher than this one and with the current thread as latestRegistrant
         */
        LockState register(ClusterNode registrant) {
            ClusterNode newHolder = (lockHolder == null && lastHolder == registrant) ? registrant : lockHolder;
            ClusterNode newLast = newHolder == null ? lastHolder : null;
            return new LockState(localLockCount + 1, newHolder, newLast, Thread.currentThread(), invalid);
        }
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    // ------------------------------------------------------------------ Public

    @Override
    public void unlock(Serializable lockId) {
        ClusterNode myself = getLocalClusterNode();
        if (myself == null) {
            throw new IllegalStateException("Must call start() before first call to unlock()");
        }

        ClusterLockState lockState = getClusterLockState(lockId, false);

        if (lockState != null && myself.equals(lockState.getHolder())) {
            getLocalHandler().unlockFromCluster(lockId, myself);
            lockState.release();

            try {
                getGroupRpcDispatcher().callMethodOnCluster(getServiceHAName(), "releaseRemoteLock",
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    // ------------------------------------------------------ ClusterLockManager

    @Override
    public void unlock(Serializable lockId) {
        ClusterNode myself = getLocalClusterNode();
        if (myself == null) {
            throw new IllegalStateException("Must call start() before first call to unlock()");
        }

        ClusterLockState category = getClusterLockState(lockId, false);

        if (category == null) {
            getLocalHandler().unlockFromCluster(lockId, myself);
        } else if (myself.equals(category.getHolder())) {
            category.invalidate();
            getLocalHandler().unlockFromCluster(lockId, myself);
            removeLockState(category);
        }
    }
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        long left = timeout > 0 ? timeout : Long.MAX_VALUE;
        long start = System.currentTimeMillis();
        while (left > 0) {
            // Another node we lost to who should take precedence
            // over ourself in competition for the lock
            ClusterNode superiorCompetitor = null;

            // Only continue if category is unlocked
            if (category.state.compareAndSet(ClusterLockState.State.UNLOCKED, ClusterLockState.State.REMOTE_LOCKING)) {
                // Category state is now REMOTE_LOCKING, so other nodes will fail
                // in attempts to acquire on this node unless the caller is "superior"
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            this.stopOldMaster();
        }
    }

    private boolean elected(Set<ClusterNode> candidates) {
        ClusterNode elected = this.election(candidates);
        SingletonLogger.ROOT_LOGGER.elected(elected.getName(), this.singletonServiceName.getCanonicalName());
        return (elected != null) ? elected.equals(this.dispatcher.getClusterNode()) : false;
    }
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Related Classes of org.jboss.as.clustering.ClusterNode

  • org.jboss.as.clustering.lock.AbstractClusterLockSupport
  • org.jboss.as.clustering.lock.ClusteredLockManagerTestBase
  • org.jboss.as.clustering.lock.NonGloballyExclusiveClusterLockSupport
  • org.jboss.as.clustering.lock.ReadWriteClusteredLockManagerUnitTestCase
  • org.jboss.as.clustering.lock.SharedLocalYieldingClusterLockManager$LockState
  • org.jboss.as.clustering.lock.YieldingGloballyExclusiveClusterLockSupport
  • org.jboss.as.clustering.lock.YieldingGloballyExclusiveClusterLockSupportUnitTestCase
  • org.jboss.as.clustering.service.ServiceProviderRegistryService
  • org.jboss.as.clustering.singleton.election.NamePreferenceTestCase
  • org.jboss.as.clustering.singleton.election.PreferredSingletonElectionPolicyTestCase
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