co.cask.hydrator.plugin.db.batch.sink

Class ETLDBOutputFormat<K extends org.apache.hadoop.mapreduce.lib.db.DBWritable,V>

java.lang.Object

org.apache.hadoop.mapreduce.OutputFormat<K,V>

org.apache.hadoop.mapreduce.lib.db.DBOutputFormat<K,V>

co.cask.hydrator.plugin.db.batch.sink.ETLDBOutputFormat<K,V>

Type Parameters:

K - - Key passed to this class to be written

V - - Value passed to this class to be written. The value is ignored.

public class ETLDBOutputFormat<K extends org.apache.hadoop.mapreduce.lib.db.DBWritable,V>
extends org.apache.hadoop.mapreduce.lib.db.DBOutputFormat<K,V>

Class that extends DBOutputFormat to load the database driver class correctly.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat

org.apache.hadoop.mapreduce.lib.db.DBOutputFormat.DBRecordWriter

Field Summary

Fields

Modifier and Type	Field and Description
static String	AUTO_COMMIT_ENABLED

Constructor Summary

Constructors

Constructor and Description
ETLDBOutputFormat()

Method Summary

Methods

Modifier and Type	Method and Description
String	constructQuery(String table, String[] fieldNames)
org.apache.hadoop.mapreduce.RecordWriter<K,V>	getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)

Methods inherited from class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat

checkOutputSpecs, getOutputCommitter, setOutput, setOutput

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

AUTO_COMMIT_ENABLED

public static final String AUTO_COMMIT_ENABLED

See Also:

Constant Field Values

Constructor Detail

ETLDBOutputFormat

public ETLDBOutputFormat()

Method Detail

getRecordWriter

public org.apache.hadoop.mapreduce.RecordWriter<K,V> getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)
                                                                                                                    throws IOException

Overrides:

getRecordWriter in class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat<K extends org.apache.hadoop.mapreduce.lib.db.DBWritable,V>

Throws:

IOException

constructQuery

public String constructQuery(String table,
                    String[] fieldNames)

Overrides:

constructQuery in class org.apache.hadoop.mapreduce.lib.db.DBOutputFormat<K extends org.apache.hadoop.mapreduce.lib.db.DBWritable,V>