Examples with MetastorageView org.apache.ignite.spi.systemview.view.MetastorageView used on opensource projects

Example 1 with MetastorageView

use of org.apache.ignite.spi.systemview.view.MetastorageView in project ignite by apache.

the class SystemViewSelfTest method testMetastorage.

/**
 */
@Test
public void testMetastorage() throws Exception {
    cleanPersistenceDir();
    try (IgniteEx ignite = startGrid(getConfiguration().setDataStorageConfiguration(new DataStorageConfiguration().setDefaultDataRegionConfiguration(new DataRegionConfiguration().setPersistenceEnabled(true))))) {
        ignite.cluster().state(ClusterState.ACTIVE);
        IgniteCacheDatabaseSharedManager db = ignite.context().cache().context().database();
        SystemView<MetastorageView> metaStoreView = ignite.context().systemView().view(METASTORE_VIEW);
        assertNotNull(metaStoreView);
        String name = "test-key";
        String val = "test-value";
        String unmarshalledName = "unmarshalled-key";
        String unmarshalledVal = "[Raw data. 0 bytes]";
        db.checkpointReadLock();
        try {
            db.metaStorage().write(name, val);
            db.metaStorage().writeRaw(unmarshalledName, new byte[0]);
        } finally {
            db.checkpointReadUnlock();
        }
        assertNotNull(F.find(metaStoreView, null, (IgnitePredicate<? super MetastorageView>) view -> name.equals(view.name()) && val.equals(view.value())));
        assertNotNull(F.find(metaStoreView, null, (IgnitePredicate<? super MetastorageView>) view -> unmarshalledName.equals(view.name()) && unmarshalledVal.equals(view.value())));
    }
}

Example 2 with MetastorageView

use of org.apache.ignite.spi.systemview.view.MetastorageView in project ignite by apache.

the class GridCacheDatabaseSharedManager method registerSystemView.

/**
 * Registers system view.
 */
private void registerSystemView() {
    cctx.kernalContext().systemView().registerView(METASTORE_VIEW, METASTORE_VIEW_DESC, new MetastorageViewWalker(), () -> {
        try {
            List<MetastorageView> data = new ArrayList<>();
            metaStorage.iterate("", (key, valBytes) -> {
                try {
                    Serializable val = metaStorage.marshaller().unmarshal((byte[]) valBytes, U.gridClassLoader());
                    data.add(new MetastorageView(key, IgniteUtils.toStringSafe(val)));
                } catch (IgniteCheckedException ignored) {
                    data.add(new MetastorageView(key, "[Raw data. " + (((byte[]) valBytes).length + " bytes]")));
                }
            }, false);
            return data;
        } catch (IgniteCheckedException e) {
            log.warning("Metastore iteration error", e);
            return emptyList();
        }
    }, identity());
}

Example 3 with MetastorageView

use of org.apache.ignite.spi.systemview.view.MetastorageView in project ignite by apache.

the class DistributedMetaStorageImpl method registerSystemView.

/**
 */
private void registerSystemView() {
    ctx.systemView().registerView(DISTRIBUTED_METASTORE_VIEW, DISTRIBUTED_METASTORE_VIEW_DESC, new MetastorageViewWalker(), () -> {
        try {
            List<MetastorageView> data = new ArrayList<>();
            iterate("", (key, val) -> data.add(new MetastorageView(key, IgniteUtils.toStringSafe(val))));
            return data;
        } catch (IgniteCheckedException e) {
            log.warning("Metastore iteration error", e);
            return Collections.emptyList();
        }
    }, identity());
}

Example 4 with MetastorageView

use of org.apache.ignite.spi.systemview.view.MetastorageView 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 5 with MetastorageView

use of org.apache.ignite.spi.systemview.view.MetastorageView in project ignite by apache.

the class SqlViewExporterSpiTest method testMetastorage.

/**
 */
@Test
public void testMetastorage() throws Exception {
    IgniteCacheDatabaseSharedManager db = ignite0.context().cache().context().database();
    SystemView<MetastorageView> metaStoreView = ignite0.context().systemView().view(METASTORE_VIEW);
    assertNotNull(metaStoreView);
    String name = "test-key";
    String val = "test-value";
    String unmarshalledName = "unmarshalled-key";
    String unmarshalledVal = "[Raw data. 0 bytes]";
    db.checkpointReadLock();
    try {
        db.metaStorage().write(name, val);
        db.metaStorage().writeRaw(unmarshalledName, new byte[0]);
    } finally {
        db.checkpointReadUnlock();
    }
    assertEquals(1, execute(ignite0, "SELECT * FROM SYS.METASTORAGE WHERE name = ? AND value = ?", name, val).size());
    assertEquals(1, execute(ignite0, "SELECT * FROM SYS.METASTORAGE WHERE name = ? AND value = ?", unmarshalledName, unmarshalledVal).size());
}