本文整理匯總了Java中org.apache.hadoop.hdfs.DistributedFileSystem.listCachePools方法的典型用法代碼示例。如果您正苦於以下問題：Java DistributedFileSystem.listCachePools方法的具體用法？Java DistributedFileSystem.listCachePools怎麽用？Java DistributedFileSystem.listCachePools使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.hdfs.DistributedFileSystem的用法示例。
在下文中一共展示了DistributedFileSystem.listCachePools方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: testListCachePoolPermissions
import org.apache.hadoop.hdfs.DistributedFileSystem; //導入方法依賴的package包/類
@Test(timeout=60000)
public void testListCachePoolPermissions() throws Exception {
final UserGroupInformation myUser = UserGroupInformation
.createRemoteUser("myuser");
final DistributedFileSystem myDfs =
(DistributedFileSystem)DFSTestUtil.getFileSystemAs(myUser, conf);
final String poolName = "poolparty";
dfs.addCachePool(new CachePoolInfo(poolName)
.setMode(new FsPermission((short)0700)));
// Should only see partial info
RemoteIterator<CachePoolEntry> it = myDfs.listCachePools();
CachePoolInfo info = it.next().getInfo();
assertFalse(it.hasNext());
assertEquals("Expected pool name", poolName, info.getPoolName());
assertNull("Unexpected owner name", info.getOwnerName());
assertNull("Unexpected group name", info.getGroupName());
assertNull("Unexpected mode", info.getMode());
assertNull("Unexpected limit", info.getLimit());
// Modify the pool so myuser is now the owner
final long limit = 99;
dfs.modifyCachePool(new CachePoolInfo(poolName)
.setOwnerName(myUser.getShortUserName())
.setLimit(limit));
// Should see full info
it = myDfs.listCachePools();
info = it.next().getInfo();
assertFalse(it.hasNext());
assertEquals("Expected pool name", poolName, info.getPoolName());
assertEquals("Mismatched owner name", myUser.getShortUserName(),
info.getOwnerName());
assertNotNull("Expected group name", info.getGroupName());
assertEquals("Mismatched mode", (short) 0700,
info.getMode().toShort());
assertEquals("Mismatched limit", limit, (long)info.getLimit());
}