public void commitClusterState(ClusterStateChange stateChange, Address initiator, String txnId, boolean isTransient) { Preconditions.checkNotNull(stateChange); stateChange.validate(); clusterServiceLock.lock(); try { final LockGuard stateLock = getStateLock(); if (!stateLock.allowsUnlock(txnId)) { throw new TransactionException( "Cluster state change [" + state + " -> " + stateChange + "] failed for " + initiator + ", current state: " + stateToString()); } if (stateChange.isOfType(ClusterState.class)) { ClusterState newState = (ClusterState) stateChange.getNewState(); doSetClusterState(newState, isTransient); // if state is changed to allow joins, then remove all members which left while not active. if (newState.isJoinAllowed()) { node.getClusterService().getMembershipManager().removeAllMissingMembers(); } } else if (stateChange.isOfType(Version.class)) { // version is validated on cluster-state-lock, thus we can commit without checking compatibility Version newVersion = (Version) stateChange.getNewState(); logger.info("Cluster version set to " + newVersion); doSetClusterVersion(newVersion); } else { throw new IllegalArgumentException("Illegal ClusterStateChange of type " + stateChange.getType() + "."); } } finally { clusterServiceLock.unlock(); } }
public void commitClusterState(ClusterStateChange stateChange, Address initiator, String txnId, boolean isTransient) { Preconditions.checkNotNull(stateChange); stateChange.validate(); clusterServiceLock.lock(); try { final LockGuard stateLock = getStateLock(); if (!stateLock.allowsUnlock(txnId)) { throw new TransactionException( "Cluster state change [" + state + " -> " + stateChange + "] failed for " + initiator + ", current state: " + stateToString()); } if (stateChange.isOfType(ClusterState.class)) { ClusterState newState = (ClusterState) stateChange.getNewState(); doSetClusterState(newState, isTransient); // if state is changed to allow joins, then remove all members which left while not active. if (newState.isJoinAllowed()) { node.getClusterService().getMembershipManager().removeMembersDeadInNotJoinableState(); } } else if (stateChange.isOfType(Version.class)) { // version is validated on cluster-state-lock, thus we can commit without checking compatibility Version newVersion = (Version) stateChange.getNewState(); logger.info("Cluster version set to " + newVersion); doSetClusterVersion(newVersion); } else { throw new IllegalArgumentException("Illegal ClusterStateChange of type " + stateChange.getType() + "."); } } finally { clusterServiceLock.unlock(); } }