Examples with RowWriter org.locationtech.geowave.core.store.operations.RowWriter used on opensource projects

Example 1 with RowWriter

use of org.locationtech.geowave.core.store.operations.RowWriter in project geowave by locationtech.

the class DataStoreUtils method mergeData.

@SuppressWarnings({ "rawtypes", "unchecked" })
public static boolean mergeData(final DataStoreOperations operations, final Integer maxRangeDecomposition, final Index index, final PersistentAdapterStore adapterStore, final InternalAdapterStore internalAdapterStore, final AdapterIndexMappingStore adapterIndexMappingStore) {
    final RowDeleter deleter = operations.createRowDeleter(index.getName(), adapterStore, internalAdapterStore);
    try {
        final Map<Short, InternalDataAdapter> mergingAdapters = new HashMap<>();
        final InternalDataAdapter<?>[] adapters = adapterStore.getAdapters();
        for (final InternalDataAdapter<?> adapter : adapters) {
            if ((adapter.getAdapter() instanceof RowMergingDataAdapter) && (((RowMergingDataAdapter) adapter.getAdapter()).getTransform() != null)) {
                mergingAdapters.put(adapter.getAdapterId(), adapter);
            }
        }
        final ReaderParamsBuilder<GeoWaveRow> paramsBuilder = new ReaderParamsBuilder<>(index, adapterStore, adapterIndexMappingStore, internalAdapterStore, GeoWaveRowIteratorTransformer.NO_OP_TRANSFORMER).isClientsideRowMerging(true).maxRangeDecomposition(maxRangeDecomposition);
        final short[] adapterIds = new short[1];
        for (final Entry<Short, InternalDataAdapter> adapter : mergingAdapters.entrySet()) {
            adapterIds[0] = adapter.getKey();
            paramsBuilder.adapterIds(adapterIds);
            try (final RowWriter writer = operations.createWriter(index, adapter.getValue());
                final RowReader<GeoWaveRow> reader = operations.createReader(paramsBuilder.build())) {
                final RewritingMergingEntryIterator<?> iterator = new RewritingMergingEntryIterator(adapterStore, adapterIndexMappingStore, index, reader, Maps.transformValues(mergingAdapters, v -> v.getAdapter()), writer, deleter);
                while (iterator.hasNext()) {
                    iterator.next();
                }
            } catch (final Exception e) {
                LOGGER.error("Exception occurred while merging data.", e);
                throw new RuntimeException(e);
            }
        }
    } finally {
        try {
            deleter.close();
        } catch (final Exception e) {
            LOGGER.warn("Exception occurred when closing deleter.", e);
        }
    }
    return true;
}

Example 2 with RowWriter

use of org.locationtech.geowave.core.store.operations.RowWriter in project geowave by locationtech.

the class GeoWaveStabilityIT method copyBadData.

@SuppressWarnings({ "unchecked", "rawtypes" })
private void copyBadData(final boolean badMetadata) throws Exception {
    final DataStoreOperations badStoreOperations = badDataStore.createDataStoreOperations();
    final DataStoreOperations storeOperations = dataStore.createDataStoreOperations();
    final PersistentAdapterStore adapterStore = dataStore.createAdapterStore();
    final InternalAdapterStore internalAdapterStore = dataStore.createInternalAdapterStore();
    final AdapterIndexMappingStore indexMappingStore = dataStore.createAdapterIndexMappingStore();
    final IndexStore indexStore = dataStore.createIndexStore();
    for (final MetadataType metadataType : MetadataType.values()) {
        try (MetadataWriter writer = badStoreOperations.createMetadataWriter(metadataType)) {
            final MetadataReader reader = storeOperations.createMetadataReader(metadataType);
            try (CloseableIterator<GeoWaveMetadata> it = reader.query(new MetadataQuery(null, null))) {
                while (it.hasNext()) {
                    if (badMetadata) {
                        writer.write(new BadGeoWaveMetadata(it.next()));
                    } else {
                        writer.write(it.next());
                    }
                }
            }
        } catch (final Exception e) {
            LOGGER.error("Unable to write metadata on copy", e);
        }
    }
    final InternalDataAdapter<?>[] adapters = adapterStore.getAdapters();
    for (final InternalDataAdapter<?> adapter : adapters) {
        for (final AdapterToIndexMapping indexMapping : indexMappingStore.getIndicesForAdapter(adapter.getAdapterId())) {
            final boolean rowMerging = BaseDataStoreUtils.isRowMerging(adapter);
            final Index index = indexMapping.getIndex(indexStore);
            final ReaderParamsBuilder bldr = new ReaderParamsBuilder(index, adapterStore, indexMappingStore, internalAdapterStore, GeoWaveRowIteratorTransformer.NO_OP_TRANSFORMER);
            bldr.adapterIds(new short[] { adapter.getAdapterId() });
            bldr.isClientsideRowMerging(rowMerging);
            try (RowReader<GeoWaveRow> reader = storeOperations.createReader(bldr.build())) {
                try (RowWriter writer = badStoreOperations.createWriter(index, adapter)) {
                    while (reader.hasNext()) {
                        if (!badMetadata) {
                            writer.write(new BadGeoWaveRow(reader.next()));
                        } else {
                            writer.write(reader.next());
                        }
                    }
                }
            } catch (final Exception e) {
                LOGGER.error("Unable to write metadata on copy", e);
            }
        }
    }
    try {
        badDataStore.createDataStatisticsStore().mergeStats();
    } catch (final Exception e) {
        LOGGER.info("Caught exception while merging bad stats.");
    }
}

Example 3 with RowWriter

use of org.locationtech.geowave.core.store.operations.RowWriter in project geowave by locationtech.

the class BaseDataStore method copyTo.

@Override
public void copyTo(final DataStore other) {
    if (other instanceof BaseDataStore) {
        // efficiently copy underlying GeoWaveRow and GeoWaveMetadata
        for (final MetadataType metadataType : MetadataType.values()) {
            try (MetadataWriter writer = ((BaseDataStore) other).baseOperations.createMetadataWriter(metadataType)) {
                final MetadataReader reader = baseOperations.createMetadataReader(metadataType);
                try (CloseableIterator<GeoWaveMetadata> it = reader.query(new MetadataQuery())) {
                    while (it.hasNext()) {
                        writer.write(it.next());
                    }
                }
            } catch (final Exception e) {
                LOGGER.error("Unable to write metadata on copy", e);
            }
        }
        final InternalDataAdapter<?>[] adapters = adapterStore.getAdapters();
        for (final InternalDataAdapter<?> adapter : adapters) {
            final AdapterToIndexMapping[] mappings = indexMappingStore.getIndicesForAdapter(adapter.getAdapterId());
            for (final AdapterToIndexMapping mapping : mappings) {
                final Index index = mapping.getIndex(indexStore);
                final boolean rowMerging = BaseDataStoreUtils.isRowMerging(adapter);
                final ReaderParamsBuilder<GeoWaveRow> bldr = new ReaderParamsBuilder<>(index, adapterStore, indexMappingStore, internalAdapterStore, rowMerging ? new GeoWaveRowMergingTransform(BaseDataStoreUtils.getRowMergingAdapter(adapter), adapter.getAdapterId()) : GeoWaveRowIteratorTransformer.NO_OP_TRANSFORMER);
                bldr.adapterIds(new short[] { adapter.getAdapterId() });
                bldr.isClientsideRowMerging(rowMerging);
                try (RowReader<GeoWaveRow> reader = baseOperations.createReader(bldr.build())) {
                    try (RowWriter writer = ((BaseDataStore) other).baseOperations.createWriter(index, adapter)) {
                        while (reader.hasNext()) {
                            writer.write(reader.next());
                        }
                    }
                } catch (final Exception e) {
                    LOGGER.error("Unable to write metadata on copy", e);
                }
            }
        }
    } else {
        final DataTypeAdapter<?>[] sourceTypes = getTypes();
        // add all the types that the destination store doesn't have yet
        final DataTypeAdapter<?>[] destTypes = other.getTypes();
        for (int i = 0; i < sourceTypes.length; i++) {
            boolean found = false;
            for (int k = 0; k < destTypes.length; k++) {
                if (destTypes[k].getTypeName().compareTo(sourceTypes[i].getTypeName()) == 0) {
                    found = true;
                    break;
                }
            }
            if (!found) {
                other.addType(sourceTypes[i]);
            }
        }
        // add the indices for each type
        for (int i = 0; i < sourceTypes.length; i++) {
            final String typeName = sourceTypes[i].getTypeName();
            final short adapterId = internalAdapterStore.getAdapterId(typeName);
            final AdapterToIndexMapping[] indexMappings = indexMappingStore.getIndicesForAdapter(adapterId);
            final Index[] indices = Arrays.stream(indexMappings).map(mapping -> mapping.getIndex(indexStore)).toArray(Index[]::new);
            other.addIndex(typeName, indices);
            final QueryBuilder<?, ?> qb = QueryBuilder.newBuilder().addTypeName(typeName);
            try (CloseableIterator<?> it = query(qb.build())) {
                try (final Writer<Object> writer = other.createWriter(typeName)) {
                    while (it.hasNext()) {
                        writer.write(it.next());
                    }
                }
            }
        }
    }
}