本文整理汇总了Java中org.apache.hadoop.io.compress.bzip2.Bzip2Factory.getLibraryName方法的典型用法代码示例。如果您正苦于以下问题：Java Bzip2Factory.getLibraryName方法的具体用法？Java Bzip2Factory.getLibraryName怎么用？Java Bzip2Factory.getLibraryName使用的例子？那么恭喜您, 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.bzip2.Bzip2Factory的用法示例。
在下文中一共展示了Bzip2Factory.getLibraryName方法的1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: main
import org.apache.hadoop.io.compress.bzip2.Bzip2Factory; //导入方法依赖的package包/类
/**
* A tool to test native library availability,
*/
public static void main(String[] args) {
String usage = "NativeLibraryChecker [-a|-h]\n"
+ " -a use -a to check all libraries are available\n"
+ " by default just check hadoop library is available\n"
+ " exit with error code 1 if check failed\n"
+ " -h print this message\n";
if (args.length > 1 ||
(args.length == 1 &&
!(args[0].equals("-a") || args[0].equals("-h")))) {
System.err.println(usage);
ExitUtil.terminate(1);
}
boolean checkAll = false;
if (args.length == 1) {
if (args[0].equals("-h")) {
System.out.println(usage);
return;
}
checkAll = true;
}
Configuration conf = new Configuration();
boolean nativeHadoopLoaded = NativeCodeLoader.isNativeCodeLoaded();
boolean zlibLoaded = false;
boolean snappyLoaded = false;
// lz4 is linked within libhadoop
boolean lz4Loaded = nativeHadoopLoaded;
boolean bzip2Loaded = Bzip2Factory.isNativeBzip2Loaded(conf);
String hadoopLibraryName = "";
String zlibLibraryName = "";
String snappyLibraryName = "";
String lz4LibraryName = "";
String bzip2LibraryName = "";
if (nativeHadoopLoaded) {
hadoopLibraryName = NativeCodeLoader.getLibraryName();
zlibLoaded = ZlibFactory.isNativeZlibLoaded(conf);
if (zlibLoaded) {
zlibLibraryName = ZlibFactory.getLibraryName();
}
snappyLoaded = NativeCodeLoader.buildSupportsSnappy() &&
SnappyCodec.isNativeCodeLoaded();
if (snappyLoaded && NativeCodeLoader.buildSupportsSnappy()) {
snappyLibraryName = SnappyCodec.getLibraryName();
}
if (lz4Loaded) {
lz4LibraryName = Lz4Codec.getLibraryName();
}
if (bzip2Loaded) {
bzip2LibraryName = Bzip2Factory.getLibraryName(conf);
}
}
System.out.println("Native library checking:");
System.out.printf("hadoop: %b %s\n", nativeHadoopLoaded, hadoopLibraryName);
System.out.printf("zlib: %b %s\n", zlibLoaded, zlibLibraryName);
System.out.printf("snappy: %b %s\n", snappyLoaded, snappyLibraryName);
System.out.printf("lz4: %b %s\n", lz4Loaded, lz4LibraryName);
System.out.printf("bzip2: %b %s\n", bzip2Loaded, bzip2LibraryName);
if ((!nativeHadoopLoaded) ||
(checkAll && !(zlibLoaded && snappyLoaded && lz4Loaded && bzip2Loaded))) {
// return 1 to indicated check failed
ExitUtil.terminate(1);
}
}