本文整理汇总了Java中org.apache.hadoop.filecache.DistributedCache.getLocalCacheArchives方法的典型用法代码示例。如果您正苦于以下问题:Java DistributedCache.getLocalCacheArchives方法的具体用法?Java DistributedCache.getLocalCacheArchives怎么用?Java DistributedCache.getLocalCacheArchives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.filecache.DistributedCache
的用法示例。
在下文中一共展示了DistributedCache.getLocalCacheArchives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: findSolrConfig
import org.apache.hadoop.filecache.DistributedCache; //导入方法依赖的package包/类
public static Path findSolrConfig(Configuration conf) throws IOException {
Path solrHome = null;
// FIXME when mrunit supports the new cache apis
//URI[] localArchives = context.getCacheArchives();
Path[] localArchives = DistributedCache.getLocalCacheArchives(conf);
if (localArchives.length == 0) {
throw new IOException(String.format(Locale.ENGLISH,
"No local cache archives, where is %s:%s", SolrOutputFormat
.getSetupOk(), SolrOutputFormat.getZipName(conf)));
}
for (Path unpackedDir : localArchives) {
// Only logged if debugging
if (LOG.isDebugEnabled()) {
LOG.debug(String.format(Locale.ENGLISH, "Examining unpack directory %s for %s",
unpackedDir, SolrOutputFormat.getZipName(conf)));
ProcessBuilder lsCmd = new ProcessBuilder(new String[] { "/bin/ls",
"-lR", unpackedDir.toString() });
lsCmd.redirectErrorStream();
Process ls = lsCmd.start();
byte[] buf = new byte[16 * 1024];
InputStream all = ls.getInputStream();
try {
int count;
while ((count = all.read(buf)) >= 0) {
System.err.write(buf, 0, count);
}
} catch (IOException ignore) {
} finally {
all.close();
}
String exitValue;
try {
exitValue = String.valueOf(ls.waitFor());
} catch (InterruptedException e) {
exitValue = "interrupted";
}
System.err.format(Locale.ENGLISH, "Exit value of 'ls -lR' is %s%n", exitValue);
}
if (unpackedDir.getName().equals(SolrOutputFormat.getZipName(conf))) {
LOG.info("Using this unpacked directory as solr home: {}", unpackedDir);
solrHome = unpackedDir;
break;
}
}
return solrHome;
}
示例2: getLocalCacheArchives
import org.apache.hadoop.filecache.DistributedCache; //导入方法依赖的package包/类
/**
* Return the path array of the localized caches
* @return A path array of localized caches
* @throws IOException
*/
public Path[] getLocalCacheArchives()
throws IOException {
return DistributedCache.getLocalCacheArchives(conf);
}