org.apache.storm.hbase.bolt.mapper

Class HBaseProjectionCriteria

java.lang.Object

org.apache.storm.hbase.bolt.mapper.HBaseProjectionCriteria

All Implemented Interfaces:

Serializable

public class HBaseProjectionCriteria
extends Object
implements Serializable

Allows the user to specify the projection criteria. If only columnFamily is specified all columns from that family will be returned. If a column is specified only that column from that family will be returned.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HBaseProjectionCriteria.ColumnMetaData

Constructor Summary

Constructors

Constructor and Description
HBaseProjectionCriteria()

Method Summary

Modifier and Type	Method and Description
HBaseProjectionCriteria	addColumn(HBaseProjectionCriteria.ColumnMetaData column) Only this column from the the columnFamily will be included as result of HBase lookup.
HBaseProjectionCriteria	addColumnFamily(byte[] columnFamily) all columns from this family will be included as result of HBase lookup.
HBaseProjectionCriteria	addColumnFamily(String columnFamily) all columns from this family will be included as result of HBase lookup.
List<byte[]>	getColumnFamilies()
List<HBaseProjectionCriteria.ColumnMetaData>	getColumns()

Methods inherited from class java.lang.Object

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

Constructor Detail

HBaseProjectionCriteria

public HBaseProjectionCriteria()

Method Detail

addColumnFamily

public HBaseProjectionCriteria addColumnFamily(String columnFamily)

all columns from this family will be included as result of HBase lookup.

Parameters:

columnFamily -

Returns:

addColumnFamily

public HBaseProjectionCriteria addColumnFamily(byte[] columnFamily)

all columns from this family will be included as result of HBase lookup.

Parameters:

columnFamily -

Returns:

addColumn

public HBaseProjectionCriteria addColumn(HBaseProjectionCriteria.ColumnMetaData column)

Only this column from the the columnFamily will be included as result of HBase lookup.

Parameters:

column -

Returns:

getColumns

public List<HBaseProjectionCriteria.ColumnMetaData> getColumns()

getColumnFamilies

public List<byte[]> getColumnFamilies()