本文整理汇总了Java中org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi.Factory方法的典型用法代码示例。如果您正苦于以下问题：Java FsDatasetSpi.Factory方法的具体用法？Java FsDatasetSpi.Factory怎么用？Java FsDatasetSpi.Factory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.server.datanode.fsdataset.FsDatasetSpi的用法示例。
在下文中一共展示了FsDatasetSpi.Factory方法的6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: initStorage
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/**
* Initializes the {@link #data}. The initialization is done only once, when
* handshake with the the first namenode is completed.
*/
private void initStorage(final NamespaceInfo nsInfo) throws IOException {
final FsDatasetSpi.Factory<? extends FsDatasetSpi<?>> factory
= FsDatasetSpi.Factory.getFactory(conf);
if (!factory.isSimulated()) {
final StartupOption startOpt = getStartupOption(conf);
if (startOpt == null) {
throw new IOException("Startup option not set.");
}
final String bpid = nsInfo.getBlockPoolID();
//read storage info, lock data dirs and transition fs state if necessary
storage.recoverTransitionRead(this, bpid, nsInfo, dataDirs, startOpt);
final StorageInfo bpStorage = storage.getBPStorage(bpid);
LOG.info("Setting up storage: nsid=" + bpStorage.getNamespaceID()
+ ";bpid=" + bpid + ";lv=" + storage.getLayoutVersion()
+ ";nsInfo=" + nsInfo);
}
synchronized(this) {
if (data == null) {
data = factory.newInstance(this, storage, conf);
}
}
}
示例2: initStorage
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/**
* Initializes the {@link #data}. The initialization is done only once, when
* handshake with the the first namenode is completed.
*/
private void initStorage(final NamespaceInfo nsInfo) throws IOException {
final FsDatasetSpi.Factory<? extends FsDatasetSpi<?>> factory =
FsDatasetSpi.Factory.getFactory(conf);
if (!factory.isSimulated()) {
final StartupOption startOpt = getStartupOption(conf);
if (startOpt == null) {
throw new IOException("Startup option not set.");
}
final String bpid = nsInfo.getBlockPoolID();
//read storage info, lock data dirs and transition fs state if necessary
storage.recoverTransitionRead(this, bpid, nsInfo, dataDirs, startOpt);
final StorageInfo bpStorage = storage.getBPStorage(bpid);
LOG.info(
"Setting up storage: nsid=" + bpStorage.getNamespaceID() + ";bpid=" +
bpid + ";lv=" + storage.getLayoutVersion() + ";nsInfo=" + nsInfo);
}
synchronized (this) {
if (data == null) {
data = factory.newInstance(this, storage, conf);
}
}
}
示例3: initStorage
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/**
* Initializes the {@link #data}. The initialization is done only once, when
* handshake with the the first namenode is completed.
*/
private void initStorage(final NamespaceInfo nsInfo) throws IOException {
final FsDatasetSpi.Factory<? extends FsDatasetSpi<?>> factory
= FsDatasetSpi.Factory.getFactory(conf);
if (!factory.isSimulated()) {
final StartupOption startOpt = getStartupOption(conf);
if (startOpt == null) {
throw new IOException("Startup option not set.");
}
final String bpid = nsInfo.getBlockPoolID();
//read storage info, lock data dirs and transition fs state if necessary
synchronized (this) {
storage.recoverTransitionRead(this, nsInfo, dataDirs, startOpt);
}
final StorageInfo bpStorage = storage.getBPStorage(bpid);
LOG.info("Setting up storage: nsid=" + bpStorage.getNamespaceID()
+ ";bpid=" + bpid + ";lv=" + storage.getLayoutVersion()
+ ";nsInfo=" + nsInfo + ";dnuuid=" + storage.getDatanodeUuid());
}
// If this is a newly formatted DataNode then assign a new DatanodeUuid.
checkDatanodeUuid();
synchronized(this) {
if (data == null) {
data = factory.newInstance(this, storage, conf);
}
}
}
示例4: testFSDatasetFactory
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
@Test
public void testFSDatasetFactory() {
final Configuration conf = new Configuration();
FsDatasetSpi.Factory<?> f = FsDatasetSpi.Factory.getFactory(conf);
assertEquals(FsDatasetFactory.class, f.getClass());
assertFalse(f.isSimulated());
SimulatedFSDataset.setFactory(conf);
FsDatasetSpi.Factory<?> s = FsDatasetSpi.Factory.getFactory(conf);
assertEquals(SimulatedFSDataset.Factory.class, s.getClass());
assertTrue(s.isSimulated());
}
示例5: initStorage
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/**
* Initializes the {@link #data}. The initialization is done only once, when
* handshake with the the first namenode is completed.
*/
private void initStorage(final NamespaceInfo nsInfo) throws IOException {
final FsDatasetSpi.Factory<? extends FsDatasetSpi<?>> factory
= FsDatasetSpi.Factory.getFactory(conf);
if (!factory.isSimulated()) {
final StartupOption startOpt = getStartupOption(conf);
if (startOpt == null) {
throw new IOException("Startup option not set.");
}
final String bpid = nsInfo.getBlockPoolID();
//read storage info, lock data dirs and transition fs state if necessary
synchronized (this) {
storage.recoverTransitionRead(this, bpid, nsInfo, dataDirs, startOpt);
}
final StorageInfo bpStorage = storage.getBPStorage(bpid);
LOG.info("Setting up storage: nsid=" + bpStorage.getNamespaceID()
+ ";bpid=" + bpid + ";lv=" + storage.getLayoutVersion()
+ ";nsInfo=" + nsInfo + ";dnuuid=" + storage.getDatanodeUuid());
}
// If this is a newly formatted DataNode then assign a new DatanodeUuid.
checkDatanodeUuid();
synchronized(this) {
if (data == null) {
data = factory.newInstance(this, storage, conf);
}
}
}
示例6: initStorage
import org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi; //导入方法依赖的package包/类
/**
* Initializes the {@link #data}. The initialization is done only once, when
* handshake with the the first namenode is completed.
*/
private void initStorage(final NamespaceInfo nsInfo) throws IOException {
final FsDatasetSpi.Factory<? extends FsDatasetSpi<?>> factory
= FsDatasetSpi.Factory.getFactory(conf);
if (!factory.isSimulated()) {
final StartupOption startOpt = getStartupOption(conf);
if (startOpt == null) {
throw new IOException("Startup option not set.");
}
final String bpid = nsInfo.getBlockPoolID();
//read storage info, lock data dirs and transition fs state if necessary
storage.recoverTransitionRead(this, bpid, nsInfo, dataDirs, startOpt);
final StorageInfo bpStorage = storage.getBPStorage(bpid);
LOG.info("Setting up storage: nsid=" + bpStorage.getNamespaceID()
+ ";bpid=" + bpid + ";lv=" + storage.getLayoutVersion()
+ ";nsInfo=" + nsInfo + ";dnuuid=" + storage.getDatanodeUuid());
}
// If this is a newly formatted DataNode then assign a new DatanodeUuid.
checkDatanodeUuid();
synchronized(this) {
if (data == null) {
data = factory.newInstance(this, storage, conf);
}
}
}