本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.DatanodeInfo.equals方法的典型用法代码示例。如果您正苦于以下问题：Java DatanodeInfo.equals方法的具体用法？Java DatanodeInfo.equals怎么用？Java DatanodeInfo.equals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.protocol.DatanodeInfo的用法示例。
在下文中一共展示了DatanodeInfo.equals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: getDataNode
import org.apache.hadoop.hdfs.protocol.DatanodeInfo; //导入方法依赖的package包/类
private DataNode getDataNode(DatanodeInfo decomInfo) {
DataNode decomNode = null;
for (DataNode dn: cluster.getDataNodes()) {
if (decomInfo.equals(dn.getDatanodeId())) {
decomNode = dn;
break;
}
}
assertNotNull("Could not find decomNode in cluster!", decomNode);
return decomNode;
}
示例2: testDecommissionWithOpenfile
import org.apache.hadoop.hdfs.protocol.DatanodeInfo; //导入方法依赖的package包/类
@Test(timeout=120000)
public void testDecommissionWithOpenfile() throws IOException, InterruptedException {
LOG.info("Starting test testDecommissionWithOpenfile");
//At most 4 nodes will be decommissioned
startCluster(1, 7, conf);
FileSystem fileSys = cluster.getFileSystem(0);
FSNamesystem ns = cluster.getNamesystem(0);
String openFile = "/testDecommissionWithOpenfile.dat";
writeFile(fileSys, new Path(openFile), (short)3);
// make sure the file was open for write
FSDataOutputStream fdos = fileSys.append(new Path(openFile));
LocatedBlocks lbs = NameNodeAdapter.getBlockLocations(cluster.getNameNode(0), openFile, 0, fileSize);
DatanodeInfo[] dnInfos4LastBlock = lbs.getLastLocatedBlock().getLocations();
DatanodeInfo[] dnInfos4FirstBlock = lbs.get(0).getLocations();
ArrayList<String> nodes = new ArrayList<String>();
ArrayList<DatanodeInfo> dnInfos = new ArrayList<DatanodeInfo>();
DatanodeManager dm = ns.getBlockManager().getDatanodeManager();
for (DatanodeInfo datanodeInfo : dnInfos4FirstBlock) {
DatanodeInfo found = datanodeInfo;
for (DatanodeInfo dif: dnInfos4LastBlock) {
if (datanodeInfo.equals(dif)) {
found = null;
}
}
if (found != null) {
nodes.add(found.getXferAddr());
dnInfos.add(dm.getDatanode(found));
}
}
//decommission one of the 3 nodes which have last block
nodes.add(dnInfos4LastBlock[0].getXferAddr());
dnInfos.add(dm.getDatanode(dnInfos4LastBlock[0]));
writeConfigFile(excludeFile, nodes);
refreshNodes(ns, conf);
for (DatanodeInfo dn : dnInfos) {
waitNodeState(dn, AdminStates.DECOMMISSIONED);
}
fdos.close();
}