本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.INodeId.ROOT_INODE_ID属性的典型用法代码示例。如果您正苦于以下问题：Java INodeId.ROOT_INODE_ID属性的具体用法？Java INodeId.ROOT_INODE_ID怎么用？Java INodeId.ROOT_INODE_ID使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.hdfs.server.namenode.INodeId的用法示例。
在下文中一共展示了INodeId.ROOT_INODE_ID属性的9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: getParentPath
@Override
public String getParentPath(long inode) throws IOException {
if (inode == INodeId.ROOT_INODE_ID) {
return "/";
}
byte[] bytes = dirChildMap.get(toBytes(inode));
Preconditions.checkState(bytes != null && bytes.length == 8,
"Can not find parent directory for inode %s, "
+ "fsimage might be corrupted", inode);
long parent = toLong(bytes);
if (!dirPathCache.containsKey(parent)) {
bytes = dirMap.get(toBytes(parent));
if (parent != INodeId.ROOT_INODE_ID) {
Preconditions.checkState(bytes != null,
"Can not find parent directory for inode %s, "
+ ", the fsimage might be corrupted.", parent);
}
String parentName = toString(bytes);
String parentPath =
new Path(getParentPath(parent),
parentName.isEmpty()? "/" : parentName).toString();
dirPathCache.put(parent, parentPath);
}
return dirPathCache.get(parent);
}
示例2: setupMockCluster
@Before
public void setupMockCluster() throws IOException {
Configuration conf = new HdfsConfiguration();
conf.set(DFSConfigKeys.NET_TOPOLOGY_SCRIPT_FILE_NAME_KEY,
"need to set a dummy value here so it assumes a multi-rack cluster");
fsn = Mockito.mock(FSNamesystem.class);
Mockito.doReturn(true).when(fsn).hasWriteLock();
Mockito.doReturn(true).when(fsn).hasReadLock();
Mockito.doReturn(true).when(fsn).isRunning();
bm = new BlockManager(fsn, conf);
final String[] racks = {
"/rackA",
"/rackA",
"/rackA",
"/rackB",
"/rackB",
"/rackB"};
storages = DFSTestUtil.createDatanodeStorageInfos(racks);
nodes = Arrays.asList(DFSTestUtil.toDatanodeDescriptor(storages));
rackA = nodes.subList(0, 3);
rackB = nodes.subList(3, 6);
mockINodeId = INodeId.ROOT_INODE_ID + 1;
}
示例3: getParentPath
@Override
public String getParentPath(long inode) throws IOException {
if (inode == INodeId.ROOT_INODE_ID) {
return "/";
}
byte[] bytes = dirChildMap.get(toBytes(inode));
Preconditions.checkState(bytes != null && bytes.length == 8,
"Can not find parent directory for inode %s, "
+ "fsimage might be corrupted", inode);
long parent = toLong(bytes);
if (!dirPathCache.containsKey(parent)) {
bytes = dirMap.get(toBytes(parent));
if (parent != INodeId.ROOT_INODE_ID) {
Preconditions.checkState(bytes != null,
"Can not find parent directory for inode %s, "
+ ", the fsimage might be corrupted.", parent);
}
String parentName = toString(bytes);
String parentPath =
new File(getParentPath(parent), parentName).toString();
dirPathCache.put(parent, parentPath);
}
return dirPathCache.get(parent);
}
示例4: getParentPath
@Override
public String getParentPath(long inode) throws IOException {
if (inode == INodeId.ROOT_INODE_ID) {
return "";
}
Dir parent = dirChildMap.get(inode);
if (parent == null) {
// The inode is an INodeReference, which is generated from snapshot.
// For delimited oiv tool, no need to print out metadata in snapshots.
PBImageTextWriter.ignoreSnapshotName(inode);
}
return parent.getPath();
}
示例5: lookup
/**
* Return the INodeId of the specified path.
*/
private long lookup(String path) throws IOException {
Preconditions.checkArgument(path.startsWith("/"));
long id = INodeId.ROOT_INODE_ID;
for (int offset = 0, next; offset < path.length(); offset = next) {
next = path.indexOf('/', offset + 1);
if (next == -1) {
next = path.length();
}
if (offset + 1 > next) {
break;
}
final String component = path.substring(offset + 1, next);
if (component.isEmpty()) {
continue;
}
final long[] children = dirmap.get(id);
if (children == null) {
throw new FileNotFoundException(path);
}
boolean found = false;
for (long cid : children) {
FsImageProto.INodeSection.INode child = fromINodeId(cid);
if (component.equals(child.getName().toStringUtf8())) {
found = true;
id = child.getId();
break;
}
}
if (!found) {
throw new FileNotFoundException(path);
}
}
return id;
}
示例6: run
void run() throws Exception {
String reservedRoot = "/.reserved/.inodes/" + INodeId.ROOT_INODE_ID;
Assert.assertEquals(reservedRoot,
TestPath.mergeStatuses(wrap.
globStatus(new Path(reservedRoot), new AcceptAllPathFilter())));
// These inodes don't show up via listStatus.
Assert.assertEquals("",
TestPath.mergeStatuses(wrap.
globStatus(new Path("/.reserved/*"), new AcceptAllPathFilter())));
}
示例7: testInodeIdWithCheckPoint
@Test
public void testInodeIdWithCheckPoint() throws Exception {
TestAvatarCheckpointingHandler h = new TestAvatarCheckpointingHandler(null, null, false);
InjectionHandler.set(h);
setUp("testInodeIdWithCheckPoint", false);
long expectedLastINodeId = INodeId.ROOT_INODE_ID;
DFSTestUtil.createFile(fs, new Path("/testtwo/fileone"), 1024, (short) 1, 0);
AvatarNode primaryAvatar = cluster.getPrimaryAvatar(0).avatar;
AvatarNode standbyAvatar = cluster.getStandbyAvatar(0).avatar;
FSNamesystem primaryNS = primaryAvatar.namesystem;
FSNamesystem standbyNS = standbyAvatar.namesystem;
expectedLastINodeId += 2;
DFSAvatarTestUtil.assertTxnIdSync(primaryAvatar, standbyAvatar);
DFSTestUtil.assertInodemapEquals(primaryNS.dir.getInodeMap(), standbyNS.dir.getInodeMap());
assertEquals(expectedLastINodeId, standbyNS.dir.getLastInodeId());
h.doCheckpoint();
cluster.restartAvatarNodes();
primaryAvatar = cluster.getPrimaryAvatar(0).avatar;
standbyAvatar = cluster.getStandbyAvatar(0).avatar;
primaryNS = primaryAvatar.namesystem;
standbyNS = standbyAvatar.namesystem;
DFSTestUtil.assertInodemapEquals(primaryNS.dir.getInodeMap(), standbyNS.dir.getInodeMap());
assertEquals(expectedLastINodeId, standbyNS.dir.getLastInodeId());
}
示例8: run
public void run(FSTestWrapper wrap, FSTestWrapper unprivilegedWrap,
FileSystem fs, FileContext fc) throws Exception {
String reservedRoot = "/.reserved/.inodes/" + INodeId.ROOT_INODE_ID;
Assert.assertEquals(reservedRoot,
TestPath.mergeStatuses(unprivilegedWrap.
globStatus(new Path(reservedRoot), new AcceptAllPathFilter())));
// These inodes don't show up via listStatus.
Assert.assertEquals("",
TestPath.mergeStatuses(unprivilegedWrap.
globStatus(new Path("/.reserved/*"), new AcceptAllPathFilter())));
}
示例9: run
void run() throws Exception {
String reservedRoot = "/.reserved/.inodes/" + INodeId.ROOT_INODE_ID;
Assert.assertEquals(reservedRoot,
TestPath.mergeStatuses(wrap.
globStatus(new Path(reservedRoot), new AcceptAllPathFilter())));
}