Examples with Triplet org.neo4j.helpers.Triplet used on opensource projects

Example 1 with Triplet

use of org.neo4j.helpers.Triplet in project graphdb by neo4j-attic.

the class MasterUtil method packResponse.

public static <T> Response<T> packResponse(GraphDatabaseService graphDb, SlaveContext context, T response, Predicate<Long> filter) {
    List<Triplet<String, Long, TxExtractor>> stream = new ArrayList<Triplet<String, Long, TxExtractor>>();
    Set<String> resourceNames = new HashSet<String>();
    XaDataSourceManager dsManager = ((AbstractGraphDatabase) graphDb).getConfig().getTxModule().getXaDataSourceManager();
    for (Pair<String, Long> txEntry : context.lastAppliedTransactions()) {
        String resourceName = txEntry.first();
        final XaDataSource dataSource = dsManager.getXaDataSource(resourceName);
        if (dataSource == null) {
            throw new RuntimeException("No data source '" + resourceName + "' found");
        }
        resourceNames.add(resourceName);
        long masterLastTx = dataSource.getLastCommittedTxId();
        for (long txId = txEntry.other() + 1; txId <= masterLastTx; txId++) {
            if (filter.accept(txId)) {
                final long tx = txId;
                TxExtractor extractor = new TxExtractor() {

                    @Override
                    public ReadableByteChannel extract() {
                        try {
                            return dataSource.getCommittedTransaction(tx);
                        } catch (IOException e) {
                            throw new RuntimeException(e);
                        }
                    }

                    @Override
                    public void extract(LogBuffer buffer) {
                        try {
                            dataSource.getCommittedTransaction(tx, buffer);
                        } catch (IOException e) {
                            throw new RuntimeException(e);
                        }
                    }
                };
                stream.add(Triplet.of(resourceName, txId, extractor));
            }
        }
    }
    StoreId storeId = ((NeoStoreXaDataSource) dsManager.getXaDataSource(Config.DEFAULT_DATA_SOURCE_NAME)).getStoreId();
    return new Response<T>(response, storeId, TransactionStream.create(resourceNames, stream));
}

Example 2 with Triplet

use of org.neo4j.helpers.Triplet in project graphdb by neo4j-attic.

the class LuceneDataSource method listStoreFiles.

@Override
public ClosableIterable<File> listStoreFiles() throws IOException {
    final Collection<File> files = new ArrayList<File>();
    final Collection<SnapshotDeletionPolicy> snapshots = new ArrayList<SnapshotDeletionPolicy>();
    for (Map.Entry<IndexIdentifier, Triplet<IndexWriter, AtomicBoolean, SnapshotDeletionPolicy>> writer : indexWriters.entrySet()) {
        SnapshotDeletionPolicy deletionPolicy = writer.getValue().third();
        File indexDirectory = getFileDirectory(baseStorePath, writer.getKey());
        for (String fileName : deletionPolicy.snapshot().getFileNames()) {
            files.add(new File(indexDirectory, fileName));
        }
        snapshots.add(deletionPolicy);
    }
    files.add(providerStore.getFile());
    return new ClosableIterable<File>() {

        public Iterator<File> iterator() {
            return files.iterator();
        }

        public void close() {
            for (SnapshotDeletionPolicy deletionPolicy : snapshots) {
                deletionPolicy.release();
            }
        }
    };
}