Examples with MemberImpl com.hazelcast.cluster.impl.MemberImpl used on opensource projects

Example 71 with MemberImpl

use of com.hazelcast.cluster.impl.MemberImpl in project hazelcast by hazelcast.

the class Node method createSplitBrainJoinMessage.

public SplitBrainJoinMessage createSplitBrainJoinMessage() {
    MemberImpl localMember = getLocalMember();
    boolean liteMember = localMember.isLiteMember();
    Collection<Address> memberAddresses = clusterService.getMemberAddresses();
    int dataMemberCount = clusterService.getSize(DATA_MEMBER_SELECTOR);
    Version clusterVersion = clusterService.getClusterVersion();
    int memberListVersion = clusterService.getMembershipManager().getMemberListVersion();
    return new SplitBrainJoinMessage(Packet.VERSION, buildInfo.getBuildNumber(), version, address, localMember.getUuid(), liteMember, createConfigCheck(), memberAddresses, dataMemberCount, clusterVersion, memberListVersion);
}

Example 72 with MemberImpl

use of com.hazelcast.cluster.impl.MemberImpl in project hazelcast by hazelcast.

the class Node method createJoinRequest.

public JoinRequest createJoinRequest(Address remoteAddress) {
    final Credentials credentials = (remoteAddress != null && securityContext != null) ? securityContext.getCredentialsFactory().newCredentials(remoteAddress) : null;
    final Set<UUID> excludedMemberUuids = nodeExtension.getInternalHotRestartService().getExcludedMemberUuids();
    MemberImpl localMember = getLocalMember();
    return new JoinRequest(Packet.VERSION, buildInfo.getBuildNumber(), version, address, localMember.getUuid(), localMember.isLiteMember(), createConfigCheck(), credentials, localMember.getAttributes(), excludedMemberUuids, localMember.getAddressMap());
}

Example 73 with MemberImpl

use of com.hazelcast.cluster.impl.MemberImpl in project hazelcast by hazelcast.

the class ClusterJoinManager method startJoin.

/**
 * Starts join process on master member.
 */
private void startJoin() {
    logger.fine("Starting join...");
    clusterServiceLock.lock();
    try {
        InternalPartitionService partitionService = node.getPartitionService();
        boolean shouldTriggerRepartition = true;
        try {
            joinInProgress = true;
            // pause migrations until join, member-update and post-join operations are completed
            partitionService.pauseMigration();
            MemberMap memberMap = clusterService.getMembershipManager().getMemberMap();
            MembersView newMembersView = MembersView.cloneAdding(memberMap.toMembersView(), joiningMembers.values());
            long time = clusterClock.getClusterTime();
            // member list must be updated on master before preparation of pre-/post-join ops so other operations which have
            // to be executed on stable cluster can detect the member list version change and retry in case of topology change
            UUID thisUuid = clusterService.getThisUuid();
            if (!clusterService.updateMembers(newMembersView, node.getThisAddress(), thisUuid, thisUuid)) {
                return;
            }
            // post join operations must be lock free, that means no locks at all:
            // no partition locks, no key-based locks, no service level locks!
            OnJoinOp preJoinOp = preparePreJoinOps();
            OnJoinOp postJoinOp = preparePostJoinOp();
            // this is the current partition assignment state, not taking into account the
            // currently joining members
            PartitionRuntimeState partitionRuntimeState = partitionService.createPartitionState();
            for (MemberInfo member : joiningMembers.values()) {
                if (isMemberRestartingWithPersistence(member.getAttributes()) && isMemberRejoining(memberMap, member.getAddress(), member.getUuid())) {
                    logger.info(member + " is rejoining the cluster");
                    // do not trigger repartition immediately, wait for joining member to load hot-restart data
                    shouldTriggerRepartition = false;
                }
                long startTime = clusterClock.getClusterStartTime();
                Operation op = new FinalizeJoinOp(member.getUuid(), newMembersView, preJoinOp, postJoinOp, time, clusterService.getClusterId(), startTime, clusterStateManager.getState(), clusterService.getClusterVersion(), partitionRuntimeState, !shouldTriggerRepartition);
                op.setCallerUuid(thisUuid);
                invokeClusterOp(op, member.getAddress());
            }
            for (MemberImpl member : memberMap.getMembers()) {
                if (member.localMember() || joiningMembers.containsKey(member.getAddress())) {
                    continue;
                }
                Operation op = new MembersUpdateOp(member.getUuid(), newMembersView, time, partitionRuntimeState, true);
                op.setCallerUuid(thisUuid);
                invokeClusterOp(op, member.getAddress());
            }
        } finally {
            reset();
            if (shouldTriggerRepartition) {
                partitionService.resumeMigration();
            }
        }
    } finally {
        clusterServiceLock.unlock();
    }
}

Example 74 with MemberImpl

use of com.hazelcast.cluster.impl.MemberImpl in project hazelcast by hazelcast.

the class ClusterServiceImpl method promoteAndGetLocalMember.

MemberImpl promoteAndGetLocalMember() {
    MemberImpl member = getLocalMember();
    assert member.isLiteMember() : "Local member is not lite member!";
    assert lock.isHeldByCurrentThread() : "Called without holding cluster service lock!";
    localMember = new MemberImpl.Builder(member.getAddressMap()).version(member.getVersion()).localMember(true).uuid(member.getUuid()).attributes(member.getAttributes()).memberListJoinVersion(member.getMemberListJoinVersion()).instance(node.hazelcastInstance).build();
    node.loggingService.setThisMember(localMember);
    return localMember;
}

Example 75 with MemberImpl

use of com.hazelcast.cluster.impl.MemberImpl in project hazelcast by hazelcast.

the class ClusterServiceImpl method handleMastershipClaim.

public MembersView handleMastershipClaim(@Nonnull Address candidateAddress, @Nonnull UUID candidateUuid) {
    checkNotNull(candidateAddress);
    checkNotNull(candidateUuid);
    checkFalse(getThisAddress().equals(candidateAddress), "cannot accept my own mastership claim!");
    lock.lock();
    try {
        checkTrue(isJoined(), candidateAddress + " claims mastership but this node is not joined!");
        checkFalse(isMaster(), candidateAddress + " claims mastership but this node is master!");
        MemberImpl masterCandidate = membershipManager.getMember(candidateAddress, candidateUuid);
        checkTrue(masterCandidate != null, candidateAddress + " claims mastership but it is not a member!");
        MemberMap memberMap = membershipManager.getMemberMap();
        if (!shouldAcceptMastership(memberMap, masterCandidate)) {
            String message = "Cannot accept mastership claim of " + candidateAddress + " at the moment. There are more suitable master candidates in the member list.";
            logger.fine(message);
            throw new RetryableHazelcastException(message);
        }
        if (!membershipManager.clearMemberSuspicion(masterCandidate, "Mastership claim")) {
            throw new IllegalStateException("Cannot accept mastership claim of " + candidateAddress + ". " + getMasterAddress() + " is already master.");
        }
        setMasterAddress(masterCandidate.getAddress());
        MembersView response = memberMap.toTailMembersView(masterCandidate, true);
        logger.warning("Mastership of " + candidateAddress + " is accepted. Response: " + response);
        return response;
    } finally {
        lock.unlock();
    }
}