本文整理汇总了Java中org.apache.hadoop.hdfs.DFSClientAdapter.getDFSClient方法的典型用法代码示例。如果您正苦于以下问题：Java DFSClientAdapter.getDFSClient方法的具体用法？Java DFSClientAdapter.getDFSClient怎么用？Java DFSClientAdapter.getDFSClient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.hdfs.DFSClientAdapter的用法示例。
在下文中一共展示了DFSClientAdapter.getDFSClient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: ensureInvalidBlockTokensAreRejected
import org.apache.hadoop.hdfs.DFSClientAdapter; //导入方法依赖的package包/类
@Test
public void ensureInvalidBlockTokensAreRejected() throws IOException,
URISyntaxException {
cluster.transitionToActive(0);
FileSystem fs = HATestUtil.configureFailoverFs(cluster, conf);
DFSTestUtil.writeFile(fs, TEST_PATH, TEST_DATA);
assertEquals(TEST_DATA, DFSTestUtil.readFile(fs, TEST_PATH));
DFSClient dfsClient = DFSClientAdapter.getDFSClient((DistributedFileSystem) fs);
DFSClient spyDfsClient = Mockito.spy(dfsClient);
Mockito.doAnswer(
new Answer<LocatedBlocks>() {
@Override
public LocatedBlocks answer(InvocationOnMock arg0) throws Throwable {
LocatedBlocks locatedBlocks = (LocatedBlocks)arg0.callRealMethod();
for (LocatedBlock lb : locatedBlocks.getLocatedBlocks()) {
Token<BlockTokenIdentifier> token = lb.getBlockToken();
BlockTokenIdentifier id = lb.getBlockToken().decodeIdentifier();
// This will make the token invalid, since the password
// won't match anymore
id.setExpiryDate(Time.now() + 10);
Token<BlockTokenIdentifier> newToken =
new Token<BlockTokenIdentifier>(id.getBytes(),
token.getPassword(), token.getKind(), token.getService());
lb.setBlockToken(newToken);
}
return locatedBlocks;
}
}).when(spyDfsClient).getLocatedBlocks(Mockito.anyString(),
Mockito.anyLong(), Mockito.anyLong());
DFSClientAdapter.setDFSClient((DistributedFileSystem)fs, spyDfsClient);
try {
assertEquals(TEST_DATA, DFSTestUtil.readFile(fs, TEST_PATH));
fail("Shouldn't have been able to read a file with invalid block tokens");
} catch (IOException ioe) {
GenericTestUtils.assertExceptionContains("Could not obtain block", ioe);
}
}