com.mysema.query.group

Class GroupByProjection<K,V>

java.lang.Object

com.mysema.query.group.GroupBy<K,V>

com.mysema.query.group.GroupByProjection<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

ResultTransformer<java.util.Map<K,V>>

public abstract class GroupByProjection<K,V>
extends GroupBy<K,V>

GroupByProjection provides projection of the Group results via the transform template method

Author:

tiwe

Field Summary

Fields inherited from class com.mysema.query.group.GroupBy

expressions, groupExpressions, maps

Constructor Summary

Constructors

Constructor and Description
GroupByProjection(Expression<K> key, Expression<?>... expressions)

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract V	transform(Group group) Creates a result object from the given group
protected java.util.Map<K,V>	transform(java.util.Map<K,Group> groups)

Methods inherited from class com.mysema.query.group.GroupBy

avg, groupBy, list, map, max, min, set, sum, transform

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupByProjection

public GroupByProjection(Expression<K> key,
                 Expression<?>... expressions)

Method Detail

transform

protected java.util.Map<K,V> transform(java.util.Map<K,Group> groups)

Overrides:

transform in class GroupBy<K,V>

transform

protected abstract V transform(Group group)

Creates a result object from the given group

Parameters:

group -

Returns: