Example usage for org.apache.cassandra.io.sstable Component SUMMARY

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In this page you can find the example usage for org.apache.cassandra.io.sstable Component SUMMARY.

Prototype

Component SUMMARY

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Usage

From source file:com.scylladb.tools.SSTableToCQL.java

License:Open Source License

private void addFile(final List<SSTableReader> sstables, File dir, String name) {
    Pair<Descriptor, Component> p = SSTable.tryComponentFromFilename(dir, name);
    Descriptor desc = p == null ? null : p.left;
    if (p == null || !p.right.equals(Component.DATA) || desc.type.isTemporary) {
        return;/* w w w  .  j a v  a 2  s.  c  om*/
    }

    if (!new File(desc.filenameFor(Component.PRIMARY_INDEX)).exists()) {
        logger.info("Skipping file {} because index is missing", name);
        return;
    }

    CFMetaData metadata = getCFMetaData(keyspace, desc.cfname);
    if (metadata == null) {
        logger.info("Skipping file {}: column family {}.{} doesn't exist", name, keyspace, desc.cfname);
        return;
    }

    Set<Component> components = new HashSet<>();
    components.add(Component.DATA);
    components.add(Component.PRIMARY_INDEX);
    if (new File(desc.filenameFor(Component.SUMMARY)).exists()) {
        components.add(Component.SUMMARY);
    }
    if (new File(desc.filenameFor(Component.COMPRESSION_INFO)).exists()) {
        components.add(Component.COMPRESSION_INFO);
    }
    if (new File(desc.filenameFor(Component.STATS)).exists()) {
        components.add(Component.STATS);
    }

    try {
        // To conserve memory, open SSTableReaders without bloom
        // filters and discard
        // the index summary after calculating the file sections to
        // stream and the estimated
        // number of keys for each endpoint. See CASSANDRA-5555 for
        // details.
        SSTableReader sstable = openForBatch(desc, components, metadata, getPartitioner());
        sstables.add(sstable);
    } catch (IOException e) {
        logger.warn("Skipping file {}, error opening it: {}", name, e.getMessage());
    }
}

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