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java.lang.Objectorg.apache.hadoop.hbase.regionserver.StoreFile.Writer
public static class StoreFile.Writer
A StoreFile writer. Use this to read/write HBase Store Files. It is package local because it is an implementation detail of the HBase regionserver.
| Field Summary | |
|---|---|
protected HFile.Writer |
writer
|
| Constructor Summary | |
|---|---|
StoreFile.Writer(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path path,
int blocksize,
Compression.Algorithm compress,
org.apache.hadoop.conf.Configuration conf,
KeyValue.KVComparator comparator,
StoreFile.BloomType bloomType,
int maxKeys)
Creates an HFile.Writer that also write helpful meta data. |
|
| Method Summary | |
|---|---|
void |
append(byte[] key,
byte[] value)
|
void |
append(KeyValue kv)
|
void |
appendFileInfo(byte[] key,
byte[] value)
|
void |
appendMetadata(long maxSequenceId,
boolean majorCompaction)
Writes meta data. |
void |
appendTimeRangeMetadata()
Add TimestampRange to Metadata |
void |
close()
|
org.apache.hadoop.fs.Path |
getPath()
|
void |
includeInTimeRangeTracker(byte[] key)
If the timeRangeTracker is not set, update TimeRangeTracker to include the timestamp of this key |
void |
includeInTimeRangeTracker(KeyValue kv)
If the timeRangeTracker is not set, update TimeRangeTracker to include the timestamp of this key |
void |
setTimeRangeTracker(TimeRangeTracker trt)
Set TimeRangeTracker |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected HFile.Writer writer
| Constructor Detail |
|---|
public StoreFile.Writer(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path path,
int blocksize,
Compression.Algorithm compress,
org.apache.hadoop.conf.Configuration conf,
KeyValue.KVComparator comparator,
StoreFile.BloomType bloomType,
int maxKeys)
throws IOException
fs - file system to write topath - file name to createblocksize - HDFS block sizecompress - HDFS block compressionconf - user configurationcomparator - key comparatorbloomType - bloom filter settingmaxKeys - maximum amount of keys to add (for blooms)
IOException - problem writing to FS| Method Detail |
|---|
public void appendMetadata(long maxSequenceId,
boolean majorCompaction)
throws IOException
close() since its written as meta data to this file.
maxSequenceId - Maximum sequence id.majorCompaction - True if this file is product of a major compaction
IOException - problem writing to FS
public void appendTimeRangeMetadata()
throws IOException
IOExceptionpublic void setTimeRangeTracker(TimeRangeTracker trt)
trt - public void includeInTimeRangeTracker(KeyValue kv)
kv -
IOExceptionpublic void includeInTimeRangeTracker(byte[] key)
key -
IOException
public void append(KeyValue kv)
throws IOException
IOExceptionpublic org.apache.hadoop.fs.Path getPath()
public void append(byte[] key,
byte[] value)
throws IOException
IOException
public void close()
throws IOException
IOException
public void appendFileInfo(byte[] key,
byte[] value)
throws IOException
IOException
|
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