Package dev.morphia.aggregation.expressions.impls

Class Push

java.lang.Object

dev.morphia.aggregation.expressions.impls.Expression

dev.morphia.aggregation.expressions.impls.Push

All Implemented Interfaces:

dev.morphia.aggregation.expressions.impls.FieldHolder<Push>

public class Push
extends Expression
implements dev.morphia.aggregation.expressions.impls.FieldHolder<Push>

Returns an array of all values that result from applying an expression to each document in a group of documents that share the same group by key.

Method Summary

Modifier and Type	Method	Description
Push	field(String name, Object expression)
Push	single(Object value)	Pushes a single, unnamed value

Methods inherited from class java.lang.Object

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

Method Details

field

public Push field(String name,
 Object expression)

Specified by:

field in interface dev.morphia.aggregation.expressions.impls.FieldHolder<Push>

Parameters:

name - the field name

expression - the field value

Returns:

this

single

public Push single(Object value)

Pushes a single, unnamed value

Parameters:

value - the value to push

Returns:

this