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Java Metadata类代码示例

本文整理汇总了Java中org.apache.hadoop.crypto.key.KeyProvider.Metadata的典型用法代码示例。如果您正苦于以下问题:Java Metadata类的具体用法?Java Metadata怎么用?Java Metadata使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


Metadata类属于org.apache.hadoop.crypto.key.KeyProvider包,在下文中一共展示了Metadata类的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: execute

import org.apache.hadoop.crypto.key.KeyProvider.Metadata; //导入依赖的package包/类
public void execute() throws IOException {
  try {
    final List<String> keys = provider.getKeys();
    out.println("Listing keys for KeyProvider: " + provider);
    if (metadata) {
      final Metadata[] meta =
        provider.getKeysMetadata(keys.toArray(new String[keys.size()]));
      for (int i = 0; i < meta.length; ++i) {
        out.println(keys.get(i) + " : " + meta[i]);
      }
    } else {
      for (String keyName : keys) {
        out.println(keyName);
      }
    }
  } catch (IOException e) {
    out.println("Cannot list keys for KeyProvider: " + provider
        + ": " + e.toString());
    throw e;
  }
}
 
开发者ID:nucypher,项目名称:hadoop-oss,代码行数:22,代码来源:KeyShell.java

示例2: createEncryptionZone

import org.apache.hadoop.crypto.key.KeyProvider.Metadata; //导入依赖的package包/类
/**
 * Create an encryption zone on directory src using the specified key.
 *
 * @param src     the path of a directory which will be the root of the
 *                encryption zone. The directory must be empty.
 * @param keyName name of a key which must be present in the configured
 *                KeyProvider.
 * @throws AccessControlException  if the caller is not the superuser.
 * @throws UnresolvedLinkException if the path can't be resolved.
 * @throws SafeModeException       if the Namenode is in safe mode.
 */
void createEncryptionZone(final String src, final String keyName,
    boolean logRetryCache) throws IOException, UnresolvedLinkException,
        SafeModeException, AccessControlException {
  try {
    Metadata metadata = FSDirEncryptionZoneOp.ensureKeyIsInitialized(dir,
        keyName, src);
    checkSuperuserPrivilege();
    FSPermissionChecker pc = getPermissionChecker();
    checkOperation(OperationCategory.WRITE);
    final HdfsFileStatus resultingStat;
    writeLock();
    try {
      checkSuperuserPrivilege();
      checkOperation(OperationCategory.WRITE);
      checkNameNodeSafeMode("Cannot create encryption zone on " + src);
      resultingStat = FSDirEncryptionZoneOp.createEncryptionZone(dir, src,
          pc, metadata.getCipher(), keyName, logRetryCache);
    } finally {
      writeUnlock();
    }

    getEditLog().logSync();
    logAuditEvent(true, "createEncryptionZone", src, null, resultingStat);
  } catch (AccessControlException e) {
    logAuditEvent(false, "createEncryptionZone", src);
    throw e;
  }
}
 
开发者ID:aliyun-beta,项目名称:aliyun-oss-hadoop-fs,代码行数:40,代码来源:FSNamesystem.java


注:本文中的org.apache.hadoop.crypto.key.KeyProvider.Metadata类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。