本文整理汇总了Java中org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration.getExportedKeys方法的典型用法代码示例。如果您正苦于以下问题：Java DatanodeRegistration.getExportedKeys方法的具体用法？Java DatanodeRegistration.getExportedKeys怎么用？Java DatanodeRegistration.getExportedKeys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.protocol.DatanodeRegistration的用法示例。
在下文中一共展示了DatanodeRegistration.getExportedKeys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: registerBlockPoolWithSecretManager
import org.apache.hadoop.hdfs.server.protocol.DatanodeRegistration; //导入方法依赖的package包/类
/**
* After the block pool has contacted the NN, registers that block pool
* with the secret manager, updating it with the secrets provided by the NN.
* @throws IOException on error
*/
private synchronized void registerBlockPoolWithSecretManager(
DatanodeRegistration bpRegistration, String blockPoolId) throws IOException {
ExportedBlockKeys keys = bpRegistration.getExportedKeys();
if (!hasAnyBlockPoolRegistered) {
hasAnyBlockPoolRegistered = true;
isBlockTokenEnabled = keys.isBlockTokenEnabled();
} else {
if (isBlockTokenEnabled != keys.isBlockTokenEnabled()) {
throw new RuntimeException("Inconsistent configuration of block access"
+ " tokens. Either all block pools must be configured to use block"
+ " tokens, or none may be.");
}
}
if (!isBlockTokenEnabled) return;
if (!blockPoolTokenSecretManager.isBlockPoolRegistered(blockPoolId)) {
long blockKeyUpdateInterval = keys.getKeyUpdateInterval();
long blockTokenLifetime = keys.getTokenLifetime();
LOG.info("Block token params received from NN: for block pool " +
blockPoolId + " keyUpdateInterval="
+ blockKeyUpdateInterval / (60 * 1000)
+ " min(s), tokenLifetime=" + blockTokenLifetime / (60 * 1000)
+ " min(s)");
final BlockTokenSecretManager secretMgr =
new BlockTokenSecretManager(0, blockTokenLifetime, blockPoolId,
dnConf.encryptionAlgorithm);
blockPoolTokenSecretManager.addBlockPool(blockPoolId, secretMgr);
}
}