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java.lang.Objectorg.apache.hadoop.hbase.regionserver.StoreFile.Reader
public static class StoreFile.Reader
Reader for a StoreFile.
Field Summary | |
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protected BloomFilter |
bloomFilter
|
protected StoreFile.BloomType |
bloomFilterType
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protected long |
sequenceID
|
protected TimeRangeTracker |
timeRangeTracker
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Constructor Summary | |
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StoreFile.Reader(org.apache.hadoop.fs.FileSystem fs,
org.apache.hadoop.fs.Path path,
CacheConfig cacheConf)
|
Method Summary | |
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void |
close(boolean evictOnClose)
|
StoreFile.BloomType |
getBloomFilterType()
|
org.apache.hadoop.io.RawComparator<byte[]> |
getComparator()
|
long |
getEntries()
|
long |
getFilterEntries()
The number of Bloom filter entries in this store file, or an estimate thereof, if the Bloom filter is not loaded. |
byte[] |
getFirstKey()
|
int |
getHFileVersion()
|
byte[] |
getLastKey()
|
HFileScanner |
getScanner(boolean cacheBlocks,
boolean pread)
Deprecated. |
HFileScanner |
getScanner(boolean cacheBlocks,
boolean pread,
boolean isCompaction)
Deprecated. |
long |
getSequenceID()
|
org.apache.hadoop.hbase.regionserver.StoreFileScanner |
getStoreFileScanner(boolean cacheBlocks,
boolean pread)
Get a scanner to scan over this StoreFile. |
org.apache.hadoop.hbase.regionserver.StoreFileScanner |
getStoreFileScanner(boolean cacheBlocks,
boolean pread,
boolean isCompaction)
Get a scanner to scan over this StoreFile. |
long |
getTotalBloomSize()
|
long |
getTotalUncompressedBytes()
|
long |
indexSize()
|
long |
length()
|
void |
loadBloomfilter()
|
Map<byte[],byte[]> |
loadFileInfo()
|
byte[] |
midkey()
|
boolean |
passesBloomFilter(byte[] row,
int rowOffset,
int rowLen,
byte[] col,
int colOffset,
int colLen)
A method for checking Bloom filters. |
void |
setBloomFilterFaulty()
|
void |
setSequenceID(long sequenceID)
|
boolean |
shouldSeek(Scan scan,
SortedSet<byte[]> columns)
|
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected BloomFilter bloomFilter
protected StoreFile.BloomType bloomFilterType
protected TimeRangeTracker timeRangeTracker
protected long sequenceID
Constructor Detail |
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public StoreFile.Reader(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path path, CacheConfig cacheConf) throws IOException
IOException
Method Detail |
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public org.apache.hadoop.io.RawComparator<byte[]> getComparator()
public org.apache.hadoop.hbase.regionserver.StoreFileScanner getStoreFileScanner(boolean cacheBlocks, boolean pread)
cacheBlocks
- should this scanner cache blocks?pread
- use pread (for highly concurrent small readers)
public org.apache.hadoop.hbase.regionserver.StoreFileScanner getStoreFileScanner(boolean cacheBlocks, boolean pread, boolean isCompaction)
cacheBlocks
- should this scanner cache blocks?pread
- use pread (for highly concurrent small readers)isCompaction
- is scanner being used for compaction?
@Deprecated public HFileScanner getScanner(boolean cacheBlocks, boolean pread)
cacheBlocks
- should we cache the blocks?pread
- use pread (for concurrent small readers)
@Deprecated public HFileScanner getScanner(boolean cacheBlocks, boolean pread, boolean isCompaction)
cacheBlocks
- should we cache the blocks?pread
- use pread (for concurrent small readers)isCompaction
- is scanner being used for compaction?
public void close(boolean evictOnClose) throws IOException
IOException
public boolean shouldSeek(Scan scan, SortedSet<byte[]> columns)
public boolean passesBloomFilter(byte[] row, int rowOffset, int rowLen, byte[] col, int colOffset, int colLen)
row
- rowOffset
- rowLen
- col
- colOffset
- colLen
-
public Map<byte[],byte[]> loadFileInfo() throws IOException
IOException
public void loadBloomfilter()
public long getFilterEntries()
public void setBloomFilterFaulty()
public byte[] getLastKey()
public byte[] midkey() throws IOException
IOException
public long length()
public long getTotalUncompressedBytes()
public long getEntries()
public byte[] getFirstKey()
public long indexSize()
public StoreFile.BloomType getBloomFilterType()
public long getSequenceID()
public void setSequenceID(long sequenceID)
public long getTotalBloomSize()
public int getHFileVersion()
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