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

Example 6 with VectorClock

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

the class PNCounterService method clearCRDTState.

@Override
public boolean clearCRDTState(Map<String, VectorClock> vectorClocks) {
    boolean allCleared = true;
    for (Entry<String, VectorClock> vectorClockEntry : vectorClocks.entrySet()) {
        final String counterName = vectorClockEntry.getKey();
        final VectorClock vectorClock = vectorClockEntry.getValue();
        final PNCounterImpl counter = counters.get(counterName);
        if (counter == null) {
            continue;
        }
        if (counter.markMigrated(vectorClock)) {
            counters.remove(counterName);
            statsMap.remove(counterName);
        } else {
            allCleared = false;
        }
    }
    return allCleared;
}

Example 7 with VectorClock

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

the class ReplicatedVectorClocks method getLatestReplicatedVectorClock.

/**
 * Returns the vector clock map for the given {@code serviceName}.
 * For each CRDT belonging to that service, the map contains the latest
 * successfully replicated vector clocks to any replica.
 *
 * @param serviceName the CRDT service name
 * @return the last successfully replicated vector clock for all CRDTs for
 * the given {@code serviceName}
 * @see CRDTReplicationAwareService
 */
public Map<String, VectorClock> getLatestReplicatedVectorClock(String serviceName) {
    final HashMap<String, VectorClock> latestVectorClocks = new HashMap<>();
    for (Entry<ReplicatedVectorClockId, Map<String, VectorClock>> clockEntry : replicatedVectorClocks.entrySet()) {
        final ReplicatedVectorClockId id = clockEntry.getKey();
        final Map<String, VectorClock> clock = clockEntry.getValue();
        if (id.serviceName.equals(serviceName)) {
            for (Entry<String, VectorClock> crdtReplicatedClocks : clock.entrySet()) {
                final String crdtName = crdtReplicatedClocks.getKey();
                final VectorClock vectorClock = crdtReplicatedClocks.getValue();
                final VectorClock latestVectorClock = latestVectorClocks.get(crdtName);
                if (latestVectorClock == null || vectorClock.isAfter(latestVectorClock)) {
                    latestVectorClocks.put(crdtName, vectorClock);
                }
            }
        }
    }
    return latestVectorClocks;
}