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

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Akira Ajisaka 2017-04-27 16:12:27 +09:00
parent 3ed3062fe3
commit 249cb210f5
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GPG Key ID: C1EDBB9CA400FD50
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];
/**
* Constructor
* Constructor.
* @param length the number of bytes the file has
* @param isdir if the path is a directory
* @param block_replication the replication factor
@ -68,9 +68,13 @@ public class HdfsFileStatus {
* @param permission permission
* @param owner the owner 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 fileId the file id
* @param childrenNum the number of children. Used by directory.
* @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,
long blocksize, long modification_time, long access_time,
@ -157,7 +161,7 @@ public final long getAccessTime() {
/**
* Get FsPermission associated with the file.
* @return permssion
* @return permission
*/
public final FsPermission getPermission() {
return permission;
@ -180,7 +184,7 @@ public final String getGroup() {
}
/**
* Check if the local name is empty
* Check if the local name is empty.
* @return true if the name is empty
*/
public final boolean isEmptyLocalName() {
@ -188,7 +192,7 @@ public final boolean isEmptyLocalName() {
}
/**
* Get the string representation of the local name
* Get the string representation of the local name.
* @return the local name in string
*/
public final String getLocalName() {
@ -196,7 +200,7 @@ public final String getLocalName() {
}
/**
* 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
*/
public final byte[] getLocalNameInBytes() {
@ -204,7 +208,7 @@ public final byte[] getLocalNameInBytes() {
}
/**
* Get the string representation of the full path name
* Get the string representation of the full path name.
* @param parent the parent path
* @return the full path in string
*/
@ -222,7 +226,7 @@ public final String getFullName(final String parent) {
}
/**
* Get the full path
* Get the full path.
* @param parent the parent path
* @return the full path
*/
@ -254,6 +258,10 @@ public final FileEncryptionInfo getFileEncryptionInfo() {
return feInfo;
}
/**
* Get the erasure coding policy if it's set.
* @return the erasure coding policy
*/
public ErasureCodingPolicy getErasureCodingPolicy() {
return ecPolicy;
}