Tsz Wo Nicholas Sze created HADOOP-12910:
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Summary: Add new FileSystem API to support asynchronous method
calls
Key: HADOOP-12910
URL: https://issues.apache.org/jira/browse/HADOOP-12910
Project: Hadoop Common
Issue Type: New Feature
Components: fs
Reporter: Tsz Wo Nicholas Sze
Assignee: Xiaobing Zhou
Add a new API, namely FutureFileSystem (or AsynchronousFileSystem, if it is a
better name). All the APIs in FutureFileSystem are the same as FileSystem
except that the return type is wrapped by Future and they do not throw
IOException, e.g.
{code}
//FileSystem
public boolean rename(Path src, Path dst) throws IOException;
//FutureFileSystem
public Future<Boolean> rename(Path src, Path dst) throws IOException;
{code}
Note that FutureFileSystem does not extend FileSystem.
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