本文整理汇总了Java中org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols.concat方法的典型用法代码示例。如果您正苦于以下问题：Java NamenodeProtocols.concat方法的具体用法？Java NamenodeProtocols.concat怎么用？Java NamenodeProtocols.concat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.protocol.NamenodeProtocols的用法示例。
在下文中一共展示了NamenodeProtocols.concat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: post
import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols; //导入方法依赖的package包/类
private Response post(
final UserGroupInformation ugi,
final DelegationParam delegation,
final UserParam username,
final DoAsParam doAsUser,
final String fullpath,
final PostOpParam op,
final ConcatSourcesParam concatSrcs,
final BufferSizeParam bufferSize,
final ExcludeDatanodesParam excludeDatanodes,
final NewLengthParam newLength
) throws IOException, URISyntaxException {
final NameNode namenode = (NameNode)context.getAttribute("name.node");
final NamenodeProtocols np = getRPCServer(namenode);
switch(op.getValue()) {
case APPEND:
{
final URI uri = redirectURI(namenode, ugi, delegation, username,
doAsUser, fullpath, op.getValue(), -1L, -1L,
excludeDatanodes.getValue(), bufferSize);
return Response.temporaryRedirect(uri).type(MediaType.APPLICATION_OCTET_STREAM).build();
}
case CONCAT:
{
np.concat(fullpath, concatSrcs.getAbsolutePaths());
return Response.ok().build();
}
case TRUNCATE:
{
// We treat each rest request as a separate client.
final boolean b = np.truncate(fullpath, newLength.getValue(),
"DFSClient_" + DFSUtil.getSecureRandom().nextLong());
final String js = JsonUtil.toJsonString("boolean", b);
return Response.ok(js).type(MediaType.APPLICATION_JSON).build();
}
default:
throw new UnsupportedOperationException(op + " is not supported");
}
}
示例2: post
import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocols; //导入方法依赖的package包/类
private Response post(
final UserGroupInformation ugi,
final DelegationParam delegation,
final UserParam username,
final DoAsParam doAsUser,
final String fullpath,
final PostOpParam op,
final ConcatSourcesParam concatSrcs,
final BufferSizeParam bufferSize,
final ExcludeDatanodesParam excludeDatanodes,
final NewLengthParam newLength
) throws IOException, URISyntaxException {
final NameNode namenode = (NameNode)context.getAttribute("name.node");
final NamenodeProtocols np = getRPCServer(namenode);
switch(op.getValue()) {
case APPEND:
{
final URI uri = redirectURI(namenode, ugi, delegation, username,
doAsUser, fullpath, op.getValue(), -1L, -1L,
excludeDatanodes.getValue(), bufferSize);
return Response.temporaryRedirect(uri).type(MediaType.APPLICATION_OCTET_STREAM).build();
}
case CONCAT:
{
np.concat(fullpath, concatSrcs.getAbsolutePaths());
return Response.ok().build();
}
case TRUNCATE:
{
if (newLength.getValue() == null) {
throw new IllegalArgumentException(
"newLength parameter is Missing");
}
// We treat each rest request as a separate client.
final boolean b = np.truncate(fullpath, newLength.getValue(),
"DFSClient_" + DFSUtil.getSecureRandom().nextLong());
final String js = JsonUtil.toJsonString("boolean", b);
return Response.ok(js).type(MediaType.APPLICATION_JSON).build();
}
default:
throw new UnsupportedOperationException(op + " is not supported");
}
}