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java.lang.Objectorg.apache.hadoop.mapreduce.RecordWriter<KEY,org.apache.hadoop.io.Writable>
org.apache.hadoop.hbase.mapreduce.TableOutputFormat.TableRecordWriter<KEY>
KEY
- The type of the key.protected static class TableOutputFormat.TableRecordWriter<KEY>
Writes the reducer output to an HBase table.
Constructor Summary | |
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TableOutputFormat.TableRecordWriter(HTable table)
Instantiate a TableRecordWriter with the HBase HClient for writing. |
Method Summary | |
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void |
close(org.apache.hadoop.mapreduce.TaskAttemptContext context)
Closes the writer, in this case flush table commits. |
void |
write(KEY key,
org.apache.hadoop.io.Writable value)
Writes a key/value pair into the table. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public TableOutputFormat.TableRecordWriter(HTable table)
table
- The table to write to.Method Detail |
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public void close(org.apache.hadoop.mapreduce.TaskAttemptContext context) throws IOException
close
in class org.apache.hadoop.mapreduce.RecordWriter<KEY,org.apache.hadoop.io.Writable>
context
- The context.
IOException
- When closing the writer fails.RecordWriter.close(org.apache.hadoop.mapreduce.TaskAttemptContext)
public void write(KEY key, org.apache.hadoop.io.Writable value) throws IOException
write
in class org.apache.hadoop.mapreduce.RecordWriter<KEY,org.apache.hadoop.io.Writable>
key
- The key.value
- The value.
IOException
- When writing fails.RecordWriter.write(java.lang.Object, java.lang.Object)
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