Examples with LegacyAdapterToIndexMapping org.locationtech.geowave.migration.legacy.core.store.LegacyAdapterToIndexMapping used on opensource projects

Example 1 with LegacyAdapterToIndexMapping

use of org.locationtech.geowave.migration.legacy.core.store.LegacyAdapterToIndexMapping in project geowave by locationtech.

the class MigrationCommand method migrate0to1.

public void migrate0to1(final DataStorePluginOptions options, final DataStoreOperations operations, final Console console) {
    console.println("Migration 1.x -> 2.x");
    final DataStore dataStore = options.createDataStore();
    console.println("  Migrating data type adapters...");
    final PersistentAdapterStore adapterStore = options.createAdapterStore();
    final List<Short> adapterIDs = Lists.newArrayList();
    int migratedAdapters = 0;
    final InternalDataAdapter<?>[] adapters = adapterStore.getAdapters();
    for (final InternalDataAdapter<?> adapter : adapters) {
        adapterIDs.add(adapter.getAdapterId());
        if (adapter instanceof LegacyInternalDataAdapterWrapper) {
            adapterStore.removeAdapter(adapter.getAdapterId());
            // Write updated adapter
            adapterStore.addAdapter(((LegacyInternalDataAdapterWrapper<?>) adapter).getUpdatedAdapter());
            migratedAdapters++;
        } else if (adapter.getAdapter() instanceof LegacyFeatureDataAdapter) {
            final FeatureDataAdapter updatedAdapter = ((LegacyFeatureDataAdapter) adapter.getAdapter()).getUpdatedAdapter();
            final VisibilityHandler visibilityHandler = ((LegacyFeatureDataAdapter) adapter.getAdapter()).getVisibilityHandler();
            // Write updated adapter
            adapterStore.removeAdapter(adapter.getAdapterId());
            adapterStore.addAdapter(updatedAdapter.asInternalAdapter(adapter.getAdapterId(), visibilityHandler));
            migratedAdapters++;
        }
    }
    if (migratedAdapters > 0) {
        console.println("    Migrated " + migratedAdapters + " data type adapters.");
    } else {
        console.println("    No data type adapters needed to be migrated.");
    }
    console.println("  Migrating indices...");
    final IndexStore indexStore = options.createIndexStore();
    int migratedIndices = 0;
    try (CloseableIterator<Index> indices = indexStore.getIndices()) {
        while (indices.hasNext()) {
            final Index index = indices.next();
            final CommonIndexModel indexModel = index.getIndexModel();
            // if the index model uses any spatial fields, update and re-write
            if ((indexModel != null) && (indexModel instanceof BasicIndexModel)) {
                final NumericDimensionField<?>[] oldFields = indexModel.getDimensions();
                final NumericDimensionField<?>[] updatedFields = new NumericDimensionField<?>[oldFields.length];
                boolean updated = false;
                for (int i = 0; i < oldFields.length; i++) {
                    if (oldFields[i] instanceof LegacySpatialField) {
                        updatedFields[i] = ((LegacySpatialField<?>) oldFields[i]).getUpdatedField(index);
                        updated = true;
                    } else {
                        updatedFields[i] = oldFields[i];
                    }
                }
                if (updated) {
                    ((BasicIndexModel) indexModel).init(updatedFields);
                    indexStore.removeIndex(index.getName());
                    indexStore.addIndex(index);
                    migratedIndices++;
                }
            }
        }
    }
    if (migratedIndices > 0) {
        console.println("    Migrated " + migratedIndices + " indices.");
    } else {
        console.println("    No indices needed to be migrated.");
    }
    console.println("  Migrating index mappings...");
    // Rewrite adapter to index mappings
    final LegacyAdapterIndexMappingStore legacyIndexMappings = new LegacyAdapterIndexMappingStore(operations, options.getFactoryOptions().getStoreOptions());
    final AdapterIndexMappingStore indexMappings = options.createAdapterIndexMappingStore();
    console.println("    Writing new mappings...");
    int indexMappingCount = 0;
    for (final Short adapterId : adapterIDs) {
        final LegacyAdapterToIndexMapping mapping = legacyIndexMappings.getIndicesForAdapter(adapterId);
        final InternalDataAdapter<?> adapter = adapterStore.getAdapter(adapterId);
        for (final String indexName : mapping.getIndexNames()) {
            indexMappings.addAdapterIndexMapping(BaseDataStoreUtils.mapAdapterToIndex(adapter, indexStore.getIndex(indexName)));
            indexMappingCount++;
        }
    }
    if (indexMappingCount > 0) {
        console.println("    Migrated " + indexMappingCount + " index mappings.");
        console.println("    Deleting legacy index mappings...");
        try (MetadataDeleter deleter = operations.createMetadataDeleter(MetadataType.LEGACY_INDEX_MAPPINGS)) {
            deleter.delete(new MetadataQuery(null));
        } catch (final Exception e) {
            LOGGER.warn("Error deleting legacy index mappings", e);
        }
    } else {
        console.println("    No index mappings to migrate.");
    }
    // Update statistics
    console.println("  Migrating statistics...");
    final List<Statistic<?>> defaultStatistics = new ArrayList<>();
    for (final Index index : dataStore.getIndices()) {
        if (index instanceof DefaultStatisticsProvider) {
            defaultStatistics.addAll(((DefaultStatisticsProvider) index).getDefaultStatistics());
        }
    }
    for (final DataTypeAdapter<?> adapter : dataStore.getTypes()) {
        final DefaultStatisticsProvider defaultStatProvider = BaseDataStoreUtils.getDefaultStatisticsProvider(adapter);
        if (defaultStatProvider != null) {
            defaultStatistics.addAll(defaultStatProvider.getDefaultStatistics());
        }
    }
    console.println("    Calculating updated statistics...");
    dataStore.addStatistic(defaultStatistics.toArray(new Statistic[defaultStatistics.size()]));
    console.println("    Deleting legacy statistics...");
    try (MetadataDeleter deleter = operations.createMetadataDeleter(MetadataType.LEGACY_STATISTICS)) {
        deleter.delete(new MetadataQuery(null));
    } catch (final Exception e) {
        LOGGER.warn("Error deleting legacy statistics", e);
    }
}