本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo.Bean方法的典型用法代码示例。如果您正苦于以下问题：Java RollingUpgradeInfo.Bean方法的具体用法？Java RollingUpgradeInfo.Bean怎么用？Java RollingUpgradeInfo.Bean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.protocol.RollingUpgradeInfo的用法示例。
在下文中一共展示了RollingUpgradeInfo.Bean方法的5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: getRollingUpgradeStatus
import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入方法依赖的package包/类
@Override // NameNodeMXBean
public RollingUpgradeInfo.Bean getRollingUpgradeStatus() {
if (!isRollingUpgrade()) {
return null;
}
RollingUpgradeInfo upgradeInfo = getRollingUpgradeInfo();
if (upgradeInfo.createdRollbackImages()) {
return new RollingUpgradeInfo.Bean(upgradeInfo);
}
readLock();
try {
// check again after acquiring the read lock.
upgradeInfo = getRollingUpgradeInfo();
if (upgradeInfo == null) {
return null;
}
if (!upgradeInfo.createdRollbackImages()) {
boolean hasRollbackImage = this.getFSImage().hasRollbackFSImage();
upgradeInfo.setCreatedRollbackImages(hasRollbackImage);
}
} catch (IOException ioe) {
LOG.warn("Encountered exception setting Rollback Image", ioe);
} finally {
readUnlock();
}
return new RollingUpgradeInfo.Bean(upgradeInfo);
}
示例2: getRollingUpgradeStatus
import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入方法依赖的package包/类
@Override // NameNodeMXBean
public RollingUpgradeInfo.Bean getRollingUpgradeStatus() {
RollingUpgradeInfo upgradeInfo = getRollingUpgradeInfo();
if (upgradeInfo != null) {
return new RollingUpgradeInfo.Bean(upgradeInfo);
}
return null;
}
示例3: getRollingUpgradeStatus
import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入方法依赖的package包/类
@Override // NameNodeMXBean
public RollingUpgradeInfo.Bean getRollingUpgradeStatus() {
readLock();
try {
RollingUpgradeInfo upgradeInfo = getRollingUpgradeInfo();
if (upgradeInfo != null) {
return new RollingUpgradeInfo.Bean(upgradeInfo);
}
return null;
} finally {
readUnlock();
}
}
示例4: getRollingUpgradeStatus
import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入方法依赖的package包/类
/**
* Gets the RollingUpgrade information
*
* @return Rolling upgrade information
*/
public RollingUpgradeInfo.Bean getRollingUpgradeStatus();
示例5: getRollingUpgradeStatus
import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo; //导入方法依赖的package包/类
/**
* Gets the RollingUpgrade information.
*
* @return Rolling upgrade information if an upgrade is in progress. Else
* (e.g. if there is no upgrade or the upgrade is finalized), returns null.
*/
public RollingUpgradeInfo.Bean getRollingUpgradeStatus();