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HDFS-11697. Add javadoc for storage policy and erasure coding policy. Contributed by Kai Sasaki.

This commit is contained in:
Akira Ajisaka 2017-04-27 16:12:27 +09:00
parent 3ed3062fe3
commit 249cb210f5
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1 changed files with 15 additions and 7 deletions
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22
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/HdfsFileStatus.java
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@ -58,7 +58,7 @@ public class HdfsFileStatus {
public static final byte[] EMPTY_NAME = new byte[0]; public static final byte[] EMPTY_NAME = new byte[0];
/** /**
* Constructor * Constructor.
* @param length the number of bytes the file has * @param length the number of bytes the file has
* @param isdir if the path is a directory * @param isdir if the path is a directory
* @param block_replication the replication factor * @param block_replication the replication factor
@ -68,9 +68,13 @@ public class HdfsFileStatus {
* @param permission permission * @param permission permission
* @param owner the owner of the path * @param owner the owner of the path
* @param group the group of the path * @param group the group of the path
* @param symlink symlink target encoded in java UTF8 or null
* @param path the local name in java UTF8 encoding the same as that in-memory * @param path the local name in java UTF8 encoding the same as that in-memory
* @param fileId the file id * @param fileId the file id
* @param childrenNum the number of children. Used by directory.
* @param feInfo the file's encryption info * @param feInfo the file's encryption info
* @param storagePolicy ID which specifies storage policy
* @param ecPolicy the erasure coding policy
*/ */
public HdfsFileStatus(long length, boolean isdir, int block_replication, public HdfsFileStatus(long length, boolean isdir, int block_replication,
long blocksize, long modification_time, long access_time, long blocksize, long modification_time, long access_time,
@ -157,7 +161,7 @@ public class HdfsFileStatus {
/** /**
* Get FsPermission associated with the file. * Get FsPermission associated with the file.
* @return permssion * @return permission
*/ */
public final FsPermission getPermission() { public final FsPermission getPermission() {
return permission; return permission;
@ -180,7 +184,7 @@ public class HdfsFileStatus {
} }
/** /**
* Check if the local name is empty * Check if the local name is empty.
* @return true if the name is empty * @return true if the name is empty
*/ */
public final boolean isEmptyLocalName() { public final boolean isEmptyLocalName() {
@ -188,7 +192,7 @@ public class HdfsFileStatus {
} }
/** /**
* Get the string representation of the local name * Get the string representation of the local name.
* @return the local name in string * @return the local name in string
*/ */
public final String getLocalName() { public final String getLocalName() {
@ -196,7 +200,7 @@ public class HdfsFileStatus {
} }
/** /**
* Get the Java UTF8 representation of the local name * Get the Java UTF8 representation of the local name.
* @return the local name in java UTF8 * @return the local name in java UTF8
*/ */
public final byte[] getLocalNameInBytes() { public final byte[] getLocalNameInBytes() {
@ -204,7 +208,7 @@ public class HdfsFileStatus {
} }
/** /**
* Get the string representation of the full path name * Get the string representation of the full path name.
* @param parent the parent path * @param parent the parent path
* @return the full path in string * @return the full path in string
*/ */
@ -222,7 +226,7 @@ public class HdfsFileStatus {
} }
/** /**
* Get the full path * Get the full path.
* @param parent the parent path * @param parent the parent path
* @return the full path * @return the full path
*/ */
@ -254,6 +258,10 @@ public class HdfsFileStatus {
return feInfo; return feInfo;
} }
/**
* Get the erasure coding policy if it's set.
* @return the erasure coding policy
*/
public ErasureCodingPolicy getErasureCodingPolicy() { public ErasureCodingPolicy getErasureCodingPolicy() {
return ecPolicy; return ecPolicy;
} }