Examples with CLUSTER_WIDE_UPDATE org.apache.ignite.internal.processors.configuration.distributed.DistributedConfigurationProcessor.AllowableAction.CLUSTER_WIDE_UPDATE used on opensource projects

Example 1 with CLUSTER_WIDE_UPDATE

use of org.apache.ignite.internal.processors.configuration.distributed.DistributedConfigurationProcessor.AllowableAction.CLUSTER_WIDE_UPDATE in project ignite by apache.

the class DistributedConfigurationProcessor method start.

/**
 * {@inheritDoc}
 */
@Override
public void start() throws IgniteCheckedException {
    GridInternalSubscriptionProcessor isp = ctx.internalSubscriptionProcessor();
    isp.registerDistributedMetastorageListener(new DistributedMetastorageLifecycleListener() {

        @Override
        public void onReadyForRead(ReadableDistributedMetaStorage metastorage) {
            distributedMetastorage = ctx.distributedMetastorage();
            // Listener for handling of cluster wide change of specific properties. Do local update.
            distributedMetastorage.listen((key) -> key.startsWith(DIST_CONF_PREFIX), (String key, Serializable oldVal, Serializable newVal) -> {
                DistributedChangeableProperty prop = props.get(toPropertyKey(key));
                if (prop != null)
                    prop.localUpdate(newVal);
            });
            // Switch to actualize action and actualize already registered properties.
            switchCurrentActionTo(ACTUALIZE);
            // Register and actualize properties waited for this service.
            isp.getDistributedConfigurationListeners().forEach(listener -> listener.onReadyToRegister(DistributedConfigurationProcessor.this));
        }

        @Override
        public void onReadyForWrite(DistributedMetaStorage metastorage) {
            // Switch to cluster wide update action and do it on already registered properties.
            switchCurrentActionTo(CLUSTER_WIDE_UPDATE);
            isp.getDistributedConfigurationListeners().forEach(DistributedConfigurationLifecycleListener::onReadyToWrite);
        }
    });
}