Examples with Mode org.apache.cassandra.index.sasi.disk.OnDiskIndexBuilder.Mode used on opensource projects

Example 1 with Mode

use of org.apache.cassandra.index.sasi.disk.OnDiskIndexBuilder.Mode in project cassandra by apache.

the class IndexMode method getMode.

public static IndexMode getMode(ColumnMetadata column, Map<String, String> indexOptions) throws ConfigurationException {
    if (indexOptions == null || indexOptions.isEmpty())
        return IndexMode.NOT_INDEXED;
    Mode mode;
    try {
        mode = indexOptions.get(INDEX_MODE_OPTION) == null ? Mode.PREFIX : Mode.mode(indexOptions.get(INDEX_MODE_OPTION));
    } catch (IllegalArgumentException e) {
        throw new ConfigurationException("Incorrect index mode: " + indexOptions.get(INDEX_MODE_OPTION));
    }
    boolean isAnalyzed = false;
    Class analyzerClass = null;
    try {
        if (indexOptions.get(INDEX_ANALYZER_CLASS_OPTION) != null) {
            analyzerClass = Class.forName(indexOptions.get(INDEX_ANALYZER_CLASS_OPTION));
            isAnalyzed = indexOptions.get(INDEX_ANALYZED_OPTION) == null ? true : Boolean.parseBoolean(indexOptions.get(INDEX_ANALYZED_OPTION));
        } else if (indexOptions.get(INDEX_ANALYZED_OPTION) != null) {
            isAnalyzed = Boolean.parseBoolean(indexOptions.get(INDEX_ANALYZED_OPTION));
        }
    } catch (ClassNotFoundException e) {
        // should not happen as we already validated we could instantiate an instance in validateAnalyzer()
        logger.error("Failed to find specified analyzer class [{}]. Falling back to default analyzer", indexOptions.get(INDEX_ANALYZER_CLASS_OPTION));
    }
    boolean isLiteral = false;
    try {
        String literalOption = indexOptions.get(INDEX_IS_LITERAL_OPTION);
        AbstractType<?> validator = column.cellValueType();
        isLiteral = literalOption == null ? (validator instanceof UTF8Type || validator instanceof AsciiType) : Boolean.parseBoolean(literalOption);
    } catch (Exception e) {
        logger.error("failed to parse {} option, defaulting to 'false'.", INDEX_IS_LITERAL_OPTION);
    }
    long maxMemBytes = indexOptions.get(INDEX_MAX_FLUSH_MEMORY_OPTION) == null ? DEFAULT_MAX_MEM_BYTES : 1048576L * Long.parseLong(indexOptions.get(INDEX_MAX_FLUSH_MEMORY_OPTION));
    if (maxMemBytes > 100L * 1073741824) {
        logger.error("{} configured as {} is above 100GiB, reverting to default 1GB", INDEX_MAX_FLUSH_MEMORY_OPTION, maxMemBytes);
        maxMemBytes = DEFAULT_MAX_MEM_BYTES;
    }
    return new IndexMode(mode, isLiteral, isAnalyzed, analyzerClass, maxMemBytes);
}