本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.INode.setParent方法的典型用法代码示例。如果您正苦于以下问题：Java INode.setParent方法的具体用法？Java INode.setParent怎么用？Java INode.setParent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.hdfs.server.namenode.INode的用法示例。
在下文中一共展示了INode.setParent方法的3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: loadDeletedList
import org.apache.hadoop.hdfs.server.namenode.INode; //导入方法依赖的package包/类
/**
* Load the deleted list from the fsimage.
*
* @param parent The directory that the deleted list belongs to.
* @param createdList The created list associated with the deleted list in
* the same Diff.
* @param in The {@link DataInput} to read.
* @param loader The {@link Loader} instance.
* @return The deleted list.
*/
private static List<INode> loadDeletedList(INodeDirectory parent,
List<INode> createdList, DataInput in, FSImageFormat.Loader loader)
throws IOException {
int deletedSize = in.readInt();
List<INode> deletedList = new ArrayList<INode>(deletedSize);
for (int i = 0; i < deletedSize; i++) {
final INode deleted = loader.loadINodeWithLocalName(true, in, true);
deletedList.add(deleted);
// set parent: the parent field of an INode in the deleted list is not
// useful, but set the parent here to be consistent with the original
// fsdir tree.
deleted.setParent(parent);
if (deleted.isFile()) {
loader.updateBlocksMap(deleted.asFile());
}
}
return deletedList;
}
示例2: addToDeletedList
import org.apache.hadoop.hdfs.server.namenode.INode; //导入方法依赖的package包/类
private void addToDeletedList(INode dnode, INodeDirectory parent) {
dnode.setParent(parent);
if (dnode.isFile()) {
updateBlocksMap(dnode.asFile(), fsn.getBlockManager());
}
}
示例3: testRenameUndo_4
import org.apache.hadoop.hdfs.server.namenode.INode; //导入方法依赖的package包/类
/**
* Test undo where dst node being overwritten is a reference node
*/
@Test
public void testRenameUndo_4() throws Exception {
final Path sdir1 = new Path("/dir1");
final Path sdir2 = new Path("/dir2");
final Path sdir3 = new Path("/dir3");
hdfs.mkdirs(sdir1);
hdfs.mkdirs(sdir2);
hdfs.mkdirs(sdir3);
final Path foo = new Path(sdir1, "foo");
final Path bar = new Path(foo, "bar");
DFSTestUtil.createFile(hdfs, bar, BLOCKSIZE, REPL, SEED);
final Path foo2 = new Path(sdir2, "foo2");
hdfs.mkdirs(foo2);
SnapshotTestHelper.createSnapshot(hdfs, sdir1, "s1");
SnapshotTestHelper.createSnapshot(hdfs, sdir2, "s2");
// rename foo2 to foo3, so that foo3 will be a reference node
final Path foo3 = new Path(sdir3, "foo3");
hdfs.rename(foo2, foo3);
INode foo3Node = fsdir.getINode4Write(foo3.toString());
assertTrue(foo3Node.isReference());
INodeDirectory dir3 = fsdir.getINode4Write(sdir3.toString()).asDirectory();
INodeDirectory mockDir3 = spy(dir3);
// fail the rename but succeed in undo
doReturn(false).when(mockDir3).addChild((INode) Mockito.isNull(),
anyBoolean(), Mockito.anyInt());
Mockito.when(mockDir3.addChild((INode) Mockito.isNotNull(), anyBoolean(),
Mockito.anyInt())).thenReturn(false).thenCallRealMethod();
INodeDirectory root = fsdir.getINode4Write("/").asDirectory();
root.replaceChild(dir3, mockDir3, fsdir.getINodeMap());
foo3Node.setParent(mockDir3);
try {
hdfs.rename(foo, foo3, Rename.OVERWRITE);
fail("the rename from " + foo + " to " + foo3 + " should fail");
} catch (IOException e) {
GenericTestUtils.assertExceptionContains("rename from " + foo + " to "
+ foo3 + " failed.", e);
}
// make sure the undo is correct
final INode foo3Node_undo = fsdir.getINode4Write(foo3.toString());
assertSame(foo3Node, foo3Node_undo);
INodeReference.WithCount foo3_wc = (WithCount) foo3Node.asReference()
.getReferredINode();
assertEquals(2, foo3_wc.getReferenceCount());
assertSame(foo3Node, foo3_wc.getParentReference());
}