本文整理汇总了Java中org.apache.hadoop.io.compress.CompressionCodecFactory.getCodecByName方法的典型用法代码示例。如果您正苦于以下问题:Java CompressionCodecFactory.getCodecByName方法的具体用法?Java CompressionCodecFactory.getCodecByName怎么用?Java CompressionCodecFactory.getCodecByName使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.io.compress.CompressionCodecFactory
的用法示例。
在下文中一共展示了CompressionCodecFactory.getCodecByName方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: open
import org.apache.hadoop.io.compress.CompressionCodecFactory; //导入方法依赖的package包/类
@Override
public void open(FileSystem fs, Path path) throws IOException {
super.open(fs, path);
if (keyClass == null) {
throw new IllegalStateException("Key Class has not been initialized.");
}
if (valueClass == null) {
throw new IllegalStateException("Value Class has not been initialized.");
}
CompressionCodec codec = null;
Configuration conf = fs.getConf();
if (!compressionCodecName.equals("None")) {
CompressionCodecFactory codecFactory = new CompressionCodecFactory(conf);
codec = codecFactory.getCodecByName(compressionCodecName);
if (codec == null) {
throw new RuntimeException("Codec " + compressionCodecName + " not found.");
}
}
// the non-deprecated constructor syntax is only available in recent hadoop versions...
writer = SequenceFile.createWriter(conf,
getStream(),
keyClass,
valueClass,
compressionType,
codec);
}
示例2: open
import org.apache.hadoop.io.compress.CompressionCodecFactory; //导入方法依赖的package包/类
@Override
public void open(FileSystem fs, Path path) throws IOException {
super.open(fs, path);
if (keyClass == null) {
throw new IllegalStateException("Key Class has not been initialized.");
}
if (valueClass == null) {
throw new IllegalStateException("Value Class has not been initialized.");
}
CompressionCodec codec = null;
Configuration conf = HadoopFileSystem.getHadoopConfiguration();
if (!compressionCodecName.equals("None")) {
CompressionCodecFactory codecFactory = new CompressionCodecFactory(conf);
codec = codecFactory.getCodecByName(compressionCodecName);
if (codec == null) {
throw new RuntimeException("Codec " + compressionCodecName + " not found.");
}
}
// the non-deprecated constructor syntax is only available in recent hadoop versions...
writer = SequenceFile.createWriter(conf,
getStream(),
keyClass,
valueClass,
compressionType,
codec);
}