org.springframework.data.mongodb.core.mapreduce

Class GroupBy

java.lang.Object

org.springframework.data.mongodb.core.mapreduce.GroupBy

public class GroupBy
extends Object

Collects the parameters required to perform a group operation on a collection. The query condition and the input collection are specified on the group method as method arguments to be consistent with other operations, e.g. map-reduce.

Author:

Mark Pollack

Constructor Summary

Constructors

Constructor and Description
GroupBy(String... keys)
GroupBy(String key, boolean isKeyFunction)

Method Summary

Modifier and Type	Method and Description
GroupBy	finalizeFunction(String finalizeFunction)
com.mongodb.DBObject	getGroupByObject()
GroupBy	initialDocument(com.mongodb.DBObject initialDocument)
GroupBy	initialDocument(String initialDocument)
static GroupBy	key(String... keys)
static GroupBy	keyFunction(String key)
GroupBy	reduceFunction(String reduceFunction)

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupBy

public GroupBy(String... keys)

GroupBy

public GroupBy(String key,
               boolean isKeyFunction)

Method Detail

keyFunction

public static GroupBy keyFunction(String key)

key

public static GroupBy key(String... keys)

initialDocument

public GroupBy initialDocument(String initialDocument)

initialDocument

public GroupBy initialDocument(com.mongodb.DBObject initialDocument)

reduceFunction

public GroupBy reduceFunction(String reduceFunction)

finalizeFunction

public GroupBy finalizeFunction(String finalizeFunction)

getGroupByObject

public com.mongodb.DBObject getGroupByObject()