|
||||||||||
PREV NEXT | FRAMES NO FRAMES |
Packages that use MapWritable | |
---|---|
org.apache.hadoop.hbase.mapred | |
org.apache.hadoop.io | Generic i/o code for use when reading and writing data to the network, to databases, and to files. |
Uses of MapWritable in org.apache.hadoop.hbase.mapred |
---|
Methods in org.apache.hadoop.hbase.mapred that return types with arguments of type MapWritable | |
---|---|
RecordReader<HStoreKey,MapWritable> |
TableInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter)
|
Methods in org.apache.hadoop.hbase.mapred with parameters of type MapWritable | |
---|---|
protected byte[][] |
GroupingTableMap.extractKeyValues(MapWritable r)
Extract columns values from the current record. |
abstract void |
TableMap.map(HStoreKey key,
MapWritable value,
OutputCollector<K,V> output,
Reporter reporter)
Call a user defined function on a single HBase record, represented by a key and its associated record value. |
void |
GroupingTableMap.map(HStoreKey key,
MapWritable value,
OutputCollector<Text,MapWritable> output,
Reporter reporter)
Extract the grouping columns from value to construct a new key. |
void |
IdentityTableMap.map(HStoreKey key,
MapWritable value,
OutputCollector<Text,MapWritable> output,
Reporter reporter)
Pass the key, value to reduce |
void |
TableOutputFormat.TableRecordWriter.write(Text key,
MapWritable value)
Writes a key/value pair. |
Method parameters in org.apache.hadoop.hbase.mapred with type arguments of type MapWritable | |
---|---|
void |
GroupingTableMap.map(HStoreKey key,
MapWritable value,
OutputCollector<Text,MapWritable> output,
Reporter reporter)
Extract the grouping columns from value to construct a new key. |
void |
IdentityTableMap.map(HStoreKey key,
MapWritable value,
OutputCollector<Text,MapWritable> output,
Reporter reporter)
Pass the key, value to reduce |
abstract void |
TableReduce.reduce(K key,
Iterator<V> values,
OutputCollector<Text,MapWritable> output,
Reporter reporter)
|
void |
IndexTableReduce.reduce(Text key,
Iterator<MapWritable> values,
OutputCollector<Text,org.apache.hadoop.hbase.mapred.LuceneDocumentWrapper> output,
Reporter reporter)
|
void |
IdentityTableReduce.reduce(Text key,
Iterator<MapWritable> values,
OutputCollector<Text,MapWritable> output,
Reporter reporter)
No aggregation, output pairs of (key, record) |
void |
IdentityTableReduce.reduce(Text key,
Iterator<MapWritable> values,
OutputCollector<Text,MapWritable> output,
Reporter reporter)
No aggregation, output pairs of (key, record) |
Uses of MapWritable in org.apache.hadoop.io |
---|
Constructors in org.apache.hadoop.io with parameters of type MapWritable | |
---|---|
MapWritable(MapWritable other)
Copy constructor. |
|
||||||||||
PREV NEXT | FRAMES NO FRAMES |