Example usage for org.apache.hadoop.util Options getOption

Introduction

In this page you can find the example usage for org.apache.hadoop.util Options getOption.

Prototype

@SuppressWarnings("unchecked")
public static <base, T extends base> T getOption(Class<T> cls, base[] opts) throws IOException 

Source Link

Document

Find the first option of the required class.

Usage

From source file:com.uber.hoodie.common.file.HoodieAppendLog.java

License:Apache License

/**
 * Create a new Writer with the given options.
 * @param conf the configuration to use//from w  w  w  .  jav  a 2 s  .c  o  m
 * @param opts the options to create the file with
 * @return a new Writer
 * @throws IOException
 */
public static Writer createWriter(Configuration conf, Writer.Option... opts) throws IOException {
    Writer.CompressionOption compressionOption = Options.getOption(Writer.CompressionOption.class, opts);
    CompressionType kind;
    if (compressionOption != null) {
        kind = compressionOption.getValue();
    } else {
        kind = getDefaultCompressionType(conf);
        opts = Options.prependOptions(opts, Writer.compression(kind));
    }
    switch (kind) {
    default:
    case NONE:
        return new Writer(conf, opts);
    case RECORD:
        return new RecordCompressWriter(conf, opts);
    case BLOCK:
        return new BlockCompressWriter(conf, opts);
    }
}

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