org.apache.hadoop.mapreduce.lib.db
Class DBInputFormat.NullDBWritable
java.lang.Object
org.apache.hadoop.mapreduce.lib.db.DBInputFormat.NullDBWritable
- All Implemented Interfaces:
- org.apache.hadoop.io.Writable, DBWritable
- Direct Known Subclasses:
- DBInputFormat.NullDBWritable
- Enclosing class:
- DBInputFormat<T extends DBWritable>
@InterfaceStability.Evolving
public static class DBInputFormat.NullDBWritable
- extends Object
- implements DBWritable, org.apache.hadoop.io.Writable
A Class that does nothing, implementing DBWritable
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
DBInputFormat.NullDBWritable
public DBInputFormat.NullDBWritable()
readFields
public void readFields(DataInput in)
throws IOException
- Specified by:
readFields
in interface org.apache.hadoop.io.Writable
- Throws:
IOException
readFields
public void readFields(ResultSet arg0)
throws SQLException
- Description copied from interface:
DBWritable
- Reads the fields of the object from the
ResultSet
.
- Specified by:
readFields
in interface DBWritable
- Parameters:
arg0
- the ResultSet
to get the fields from.
- Throws:
SQLException
write
public void write(DataOutput out)
throws IOException
- Specified by:
write
in interface org.apache.hadoop.io.Writable
- Throws:
IOException
write
public void write(PreparedStatement arg0)
throws SQLException
- Description copied from interface:
DBWritable
- Sets the fields of the object in the
PreparedStatement
.
- Specified by:
write
in interface DBWritable
- Parameters:
arg0
- the statement that the fields are put into.
- Throws:
SQLException
Copyright © 2013 Apache Software Foundation. All Rights Reserved.