Deprecate exists() and isDir() to simplify ClientProtocol.
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Key: HADOOP-2634
URL: https://issues.apache.org/jira/browse/HADOOP-2634
Project: Hadoop
Issue Type: Improvement
Components: dfs
Affects Versions: 0.15.0
Reporter: Konstantin Shvachko
ClientProtocol can be simplified by removing two methods
{code}
public boolean exists(String src) throws IOException;
public boolean isDir(String src) throws IOException;
{code}
This is a redundant api, which can be implemented in DFSClient as convenience
methods using
{code}
public DFSFileInfo getFileInfo(String src) throws IOException;
{code}
Note that we already deprecated several Filesystem method and advised to use
getFileStatus() instead.
Should we deprecate them in 0.16?
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