Examples with IndexBuilder org.apache.hyracks.storage.am.common.build.IndexBuilder used on opensource projects

Example 1 with IndexBuilder

use of org.apache.hyracks.storage.am.common.build.IndexBuilder in project asterixdb by apache.

the class MetadataBootstrap method enlistMetadataDataset.

/**
     * Enlist a metadata index so it is available for metadata operations
     * should be performed upon bootstrapping
     *
     * @param index
     * @throws HyracksDataException
     */
public static void enlistMetadataDataset(INCServiceContext ncServiceCtx, IMetadataIndex index) throws HyracksDataException {
    ClusterPartition metadataPartition = appContext.getMetadataProperties().getMetadataPartition();
    int metadataDeviceId = metadataPartition.getIODeviceNum();
    String metadataPartitionPath = StoragePathUtil.prepareStoragePartitionPath(ClusterProperties.INSTANCE.getStorageDirectoryName(), metadataPartition.getPartitionId());
    String resourceName = metadataPartitionPath + File.separator + index.getFileNameRelativePath();
    FileReference file = ioManager.getFileReference(metadataDeviceId, resourceName);
    index.setFile(file);
    ITypeTraits[] typeTraits = index.getTypeTraits();
    IBinaryComparatorFactory[] cmpFactories = index.getKeyBinaryComparatorFactory();
    int[] bloomFilterKeyFields = index.getBloomFilterKeyFields();
    // opTrackerProvider and ioOpCallbackFactory should both be acquired through IStorageManager
    // We are unable to do this since IStorageManager needs a dataset to determine the appropriate
    // objects
    ILSMOperationTrackerFactory opTrackerFactory = index.isPrimaryIndex() ? new PrimaryIndexOperationTrackerFactory(index.getDatasetId().getId()) : new SecondaryIndexOperationTrackerFactory(index.getDatasetId().getId());
    ILSMIOOperationCallbackFactory ioOpCallbackFactory = LSMBTreeIOOperationCallbackFactory.INSTANCE;
    IStorageComponentProvider storageComponentProvider = appContext.getStorageComponentProvider();
    if (isNewUniverse()) {
        LSMBTreeLocalResourceFactory lsmBtreeFactory = new LSMBTreeLocalResourceFactory(storageComponentProvider.getStorageManager(), typeTraits, cmpFactories, null, null, null, opTrackerFactory, ioOpCallbackFactory, storageComponentProvider.getMetadataPageManagerFactory(), new AsterixVirtualBufferCacheProvider(index.getDatasetId().getId()), storageComponentProvider.getIoOperationSchedulerProvider(), appContext.getMetadataMergePolicyFactory(), GlobalConfig.DEFAULT_COMPACTION_POLICY_PROPERTIES, true, bloomFilterKeyFields, appContext.getBloomFilterFalsePositiveRate(), true, null);
        DatasetLocalResourceFactory dsLocalResourceFactory = new DatasetLocalResourceFactory(index.getDatasetId().getId(), lsmBtreeFactory);
        // TODO(amoudi) Creating the index should be done through the same code path as other indexes
        // This is to be done by having a metadata dataset associated with each index
        IIndexBuilder indexBuilder = new IndexBuilder(ncServiceCtx, storageComponentProvider.getStorageManager(), index::getResourceId, file, dsLocalResourceFactory, true);
        indexBuilder.build();
    } else {
        final LocalResource resource = localResourceRepository.get(file.getRelativePath());
        if (resource == null) {
            throw new HyracksDataException("Could not find required metadata indexes. Please delete " + appContext.getMetadataProperties().getTransactionLogDirs().get(appContext.getTransactionSubsystem().getId()) + " to intialize as a new instance. (WARNING: all data will be lost.)");
        }
        // Why do we care about metadata dataset's resource ids? why not assign them ids similar to other resources?
        if (index.getResourceId() != resource.getId()) {
            throw new HyracksDataException("Resource Id doesn't match expected metadata index resource id");
        }
        IndexDataflowHelper indexHelper = new IndexDataflowHelper(ncServiceCtx, storageComponentProvider.getStorageManager(), file);
        // Opening the index through the helper will ensure it gets instantiated
        indexHelper.open();
        indexHelper.close();
    }
}