Examples with DatanodeStoreSchemaOneImpl org.apache.hadoop.ozone.container.metadata.DatanodeStoreSchemaOneImpl used on opensource projects

Example 1 with DatanodeStoreSchemaOneImpl

use of org.apache.hadoop.ozone.container.metadata.DatanodeStoreSchemaOneImpl in project ozone by apache.

the class KeyValueContainerUtil method createContainerMetaData.

/**
 * @param containerMetaDataPath
 * @throws IOException
 */
/**
 * creates metadata path, chunks path and metadata DB for the specified
 * container.
 *
 * @param containerMetaDataPath Path to the container's metadata directory.
 * @param chunksPath Path were chunks for this container should be stored.
 * @param dbFile Path to the container's .db file.
 * @param schemaVersion The schema version of the container. If this method
 * has not been updated after a schema version addition
 * and does not recognize the latest SchemaVersion, an
 * {@link IllegalArgumentException} is thrown.
 * @param conf The configuration to use for this container.
 * @throws IOException
 */
public static void createContainerMetaData(long containerID, File containerMetaDataPath, File chunksPath, File dbFile, String schemaVersion, ConfigurationSource conf) throws IOException {
    Preconditions.checkNotNull(containerMetaDataPath);
    Preconditions.checkNotNull(conf);
    if (!containerMetaDataPath.mkdirs()) {
        LOG.error("Unable to create directory for metadata storage. Path: {}", containerMetaDataPath);
        throw new IOException("Unable to create directory for metadata storage." + " Path: " + containerMetaDataPath);
    }
    if (!chunksPath.mkdirs()) {
        LOG.error("Unable to create chunks directory Container {}", chunksPath);
        // clean up container metadata path and metadata db
        FileUtils.deleteDirectory(containerMetaDataPath);
        FileUtils.deleteDirectory(containerMetaDataPath.getParentFile());
        throw new IOException("Unable to create directory for data storage." + " Path: " + chunksPath);
    }
    DatanodeStore store;
    if (schemaVersion.equals(OzoneConsts.SCHEMA_V1)) {
        store = new DatanodeStoreSchemaOneImpl(conf, containerID, dbFile.getAbsolutePath(), false);
    } else if (schemaVersion.equals(OzoneConsts.SCHEMA_V2)) {
        store = new DatanodeStoreSchemaTwoImpl(conf, containerID, dbFile.getAbsolutePath(), false);
    } else {
        throw new IllegalArgumentException("Unrecognized schema version for container: " + schemaVersion);
    }
    ReferenceCountedDB db = new ReferenceCountedDB(store, dbFile.getAbsolutePath());
    // add db handler into cache
    BlockUtils.addDB(db, dbFile.getAbsolutePath(), conf);
}