|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object org.apache.hadoop.mapreduce.RecordReader<K,V> org.apache.accumulo.core.client.mapreduce.InputFormatBase.RecordReaderBase<K,V>
protected abstract static class InputFormatBase.RecordReaderBase<K,V>
Field Summary | |
---|---|
protected K |
currentK
|
protected Key |
currentKey
|
protected V |
currentV
|
protected Value |
currentValue
|
protected long |
numKeysRead
|
protected Iterator<Map.Entry<Key,Value>> |
scannerIterator
|
protected InputFormatBase.RangeInputSplit |
split
|
Constructor Summary | |
---|---|
protected |
InputFormatBase.RecordReaderBase()
|
Method Summary | |
---|---|
void |
close()
|
K |
getCurrentKey()
|
V |
getCurrentValue()
|
float |
getProgress()
|
void |
initialize(org.apache.hadoop.mapreduce.InputSplit inSplit,
org.apache.hadoop.mapreduce.TaskAttemptContext attempt)
Initialize a scanner over the given input split using this task attempt configuration. |
protected void |
setupIterators(org.apache.hadoop.conf.Configuration conf,
Scanner scanner)
Apply the configured iterators from the configuration to the scanner. |
protected void |
setupIterators(org.apache.hadoop.mapreduce.TaskAttemptContext attempt,
Scanner scanner)
Deprecated. Use setupIterators(Configuration,Scanner) instead |
protected void |
setupMaxVersions(org.apache.hadoop.conf.Configuration conf,
Scanner scanner)
If maxVersions has been set, configure a VersioningIterator at priority 0 for this scanner. |
protected void |
setupMaxVersions(org.apache.hadoop.mapreduce.TaskAttemptContext attempt,
Scanner scanner)
Deprecated. Use setupMaxVersions(Configuration,Scanner) instead |
protected boolean |
setupRegex(org.apache.hadoop.mapreduce.TaskAttemptContext attempt,
Scanner scanner)
Deprecated. since 1.4, configure RegExFilter instead. |
Methods inherited from class org.apache.hadoop.mapreduce.RecordReader |
---|
nextKeyValue |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
protected long numKeysRead
protected Iterator<Map.Entry<Key,Value>> scannerIterator
protected InputFormatBase.RangeInputSplit split
protected K currentK
protected V currentV
protected Key currentKey
protected Value currentValue
Constructor Detail |
---|
protected InputFormatBase.RecordReaderBase()
Method Detail |
---|
protected boolean setupRegex(org.apache.hadoop.mapreduce.TaskAttemptContext attempt, Scanner scanner) throws AccumuloException
RegExFilter
instead.
AccumuloException
protected void setupIterators(org.apache.hadoop.mapreduce.TaskAttemptContext attempt, Scanner scanner) throws AccumuloException
setupIterators(Configuration,Scanner)
instead
AccumuloException
protected void setupIterators(org.apache.hadoop.conf.Configuration conf, Scanner scanner) throws AccumuloException
conf
- the Hadoop configuration objectscanner
- the scanner to configure
AccumuloException
protected void setupMaxVersions(org.apache.hadoop.mapreduce.TaskAttemptContext attempt, Scanner scanner)
setupMaxVersions(Configuration,Scanner)
instead
protected void setupMaxVersions(org.apache.hadoop.conf.Configuration conf, Scanner scanner)
VersioningIterator
at priority 0 for this scanner.
conf
- the Hadoop configuration objectscanner
- the scanner to configurepublic void initialize(org.apache.hadoop.mapreduce.InputSplit inSplit, org.apache.hadoop.mapreduce.TaskAttemptContext attempt) throws IOException
initialize
in class org.apache.hadoop.mapreduce.RecordReader<K,V>
IOException
public void close()
close
in interface Closeable
close
in class org.apache.hadoop.mapreduce.RecordReader<K,V>
public float getProgress() throws IOException
getProgress
in class org.apache.hadoop.mapreduce.RecordReader<K,V>
IOException
public K getCurrentKey() throws IOException, InterruptedException
getCurrentKey
in class org.apache.hadoop.mapreduce.RecordReader<K,V>
IOException
InterruptedException
public V getCurrentValue() throws IOException, InterruptedException
getCurrentValue
in class org.apache.hadoop.mapreduce.RecordReader<K,V>
IOException
InterruptedException
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |