Examples with DistributedMetaStorage org.apache.ignite.internal.processors.metastorage.DistributedMetaStorage used on opensource projects

Example 1 with DistributedMetaStorage

use of org.apache.ignite.internal.processors.metastorage.DistributedMetaStorage in project ignite by apache.

the class JmxExporterSpiTest method testDistributedMetastorage.

/**
 */
@Test
public void testDistributedMetastorage() throws Exception {
    try (IgniteEx ignite1 = startGrid(1)) {
        DistributedMetaStorage dms = ignite.context().distributedMetastorage();
        String name = "test-distributed-key";
        String val = "test-distributed-value";
        dms.write(name, val);
        TabularDataSupport view = systemView(DISTRIBUTED_METASTORE_VIEW);
        boolean found = false;
        for (int i = 0; i < view.size(); i++) {
            CompositeData row = view.get(new Object[] { i });
            if (row.get("name").equals(name) && row.get("value").equals(val)) {
                found = true;
                break;
            }
        }
        assertTrue(found);
        assertTrue(waitForCondition(() -> {
            TabularDataSupport view1 = systemView(ignite1, DISTRIBUTED_METASTORE_VIEW);
            for (int i = 0; i < view1.size(); i++) {
                CompositeData row = view1.get(new Object[] { i });
                if (row.get("name").equals(name) && row.get("value").equals(val))
                    return true;
            }
            return false;
        }, getTestTimeout()));
    }
}

Example 2 with DistributedMetaStorage

use of org.apache.ignite.internal.processors.metastorage.DistributedMetaStorage in project ignite by apache.

the class SystemViewSelfTest method testDistributedMetastorage.

/**
 */
@Test
public void testDistributedMetastorage() throws Exception {
    cleanPersistenceDir();
    try (IgniteEx ignite = startGrid(getConfiguration().setDataStorageConfiguration(new DataStorageConfiguration().setDefaultDataRegionConfiguration(new DataRegionConfiguration().setPersistenceEnabled(true))))) {
        ignite.cluster().state(ClusterState.ACTIVE);
        DistributedMetaStorage dms = ignite.context().distributedMetastorage();
        SystemView<MetastorageView> metaStoreView = ignite.context().systemView().view(DISTRIBUTED_METASTORE_VIEW);
        assertNotNull(metaStoreView);
        String name = "test-distributed-key";
        String val = "test-distributed-value";
        dms.write(name, val);
        MetastorageView testKey = F.find(metaStoreView, null, (IgnitePredicate<? super MetastorageView>) view -> name.equals(view.name()) && val.equals(view.value()));
        assertNotNull(testKey);
    }
}

Example 3 with DistributedMetaStorage

use of org.apache.ignite.internal.processors.metastorage.DistributedMetaStorage in project ignite by apache.

the class PerformanceStatisticsProcessor method start.

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

        @Override
        public void onReadyForRead(ReadableDistributedMetaStorage metastorage) {
            metastorage.listen(PERF_STAT_KEY::equals, (key, oldVal, newVal) -> {
                // Skip history on local join.
                if (!ctx.discovery().localJoinFuture().isDone())
                    return;
                onMetastorageUpdate((boolean) newVal);
            });
        }

        @Override
        public void onReadyForWrite(DistributedMetaStorage metastorage) {
            PerformanceStatisticsProcessor.this.metastorage = metastorage;
            try {
                Boolean performanceStatsEnabled = metastorage.read(PERF_STAT_KEY);
                if (performanceStatsEnabled == null)
                    return;
                onMetastorageUpdate(performanceStatsEnabled);
            } catch (IgniteCheckedException e) {
                throw new IgniteException(e);
            }
        }
    });
    rotateProc = new DistributedProcess<>(ctx, PERFORMANCE_STATISTICS_ROTATE, req -> ctx.closure().callLocalSafe(() -> {
        rotateWriter();
        return null;
    }), (id, res, err) -> {
    });
}

Example 4 with DistributedMetaStorage

use of org.apache.ignite.internal.processors.metastorage.DistributedMetaStorage 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);
        }
    });
}

Example 5 with DistributedMetaStorage

use of org.apache.ignite.internal.processors.metastorage.DistributedMetaStorage in project ignite by apache.

the class GridMetricManager method start.

/**
 * {@inheritDoc}
 */
@Override
public void start() throws IgniteCheckedException {
    for (MetricExporterSpi spi : getSpis()) spi.setMetricRegistry(this);
    startSpi();
    // In case standalone kernal start.
    if (ctx.internalSubscriptionProcessor() == null)
        return;
    ctx.internalSubscriptionProcessor().registerDistributedMetastorageListener(new DistributedMetastorageLifecycleListener() {

        /**
         * {@inheritDoc}
         */
        @Override
        public void onReadyForRead(ReadableDistributedMetaStorage metastorage) {
            roMetastorage = metastorage;
            try {
                metastorage.iterate(HITRATE_CFG_PREFIX, (name, val) -> onHitRateConfigChanged(name.substring(HITRATE_CFG_PREFIX.length() + 1), (Long) val));
                metastorage.iterate(HISTOGRAM_CFG_PREFIX, (name, val) -> onHistogramConfigChanged(name.substring(HISTOGRAM_CFG_PREFIX.length() + 1), (long[]) val));
            } catch (IgniteCheckedException e) {
                throw new IgniteException(e);
            }
            metastorage.listen(n -> n.startsWith(HITRATE_CFG_PREFIX), (name, oldVal, newVal) -> onHitRateConfigChanged(name.substring(HITRATE_CFG_PREFIX.length() + 1), (Long) newVal));
            metastorage.listen(n -> n.startsWith(HISTOGRAM_CFG_PREFIX), (name, oldVal, newVal) -> onHistogramConfigChanged(name.substring(HISTOGRAM_CFG_PREFIX.length() + 1), (long[]) newVal));
        }

        /**
         * {@inheritDoc}
         */
        @Override
        public void onReadyForWrite(DistributedMetaStorage metastorage) {
            GridMetricManager.this.metastorage = metastorage;
        }
    });
}