org.mongodb.morphia.aggregation

Class Projection<T,U>

java.lang.Object

org.mongodb.morphia.aggregation.Projection<T,U>

public final class Projection<T,U>
extends Object

Method Summary

Methods

Modifier and Type	Method and Description
static <T,U> Projection<T,U>	add(Object... args)
static <T,U> Projection<T,U>	divide(Object arg1, Object arg2)
static <T,U> Projection<T,U>	expression(String operator, Object... args) Provides access to arbitrary expressions taking an array of arguments, such as $concat
List<Object>	getArguments()
String	getProjectedField()
List<Projection>	getProjections()
String	getSourceField()
boolean	isSuppressed()
static <T,U> Projection<T,U>	list(Object... args)
static <T,U> Projection<T,U>	mod(Object arg1, Object arg2)
static <T,U> Projection<T,U>	multiply(Object... args)
static <T,U> Projection<T,U>	projection(String name)
static <T,U> Projection<T,U>	projection(String field, Projection projection, Projection... subsequent)
static <T,U> Projection<T,U>	projection(String field, String projectedField)
static <T,U> Projection<T,U>	subtract(Object arg1, Object arg2)
Projection<T,U>	suppress()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

projection

public static <T,U> Projection<T,U> projection(String name)

projection

public static <T,U> Projection<T,U> projection(String field,
                               String projectedField)

projection

public static <T,U> Projection<T,U> projection(String field,
                               Projection projection,
                               Projection... subsequent)

expression

public static <T,U> Projection<T,U> expression(String operator,
                               Object... args)

Provides access to arbitrary expressions taking an array of arguments, such as $concat

list

public static <T,U> Projection<T,U> list(Object... args)

add

public static <T,U> Projection<T,U> add(Object... args)

subtract

public static <T,U> Projection<T,U> subtract(Object arg1,
                             Object arg2)

multiply

public static <T,U> Projection<T,U> multiply(Object... args)

divide

public static <T,U> Projection<T,U> divide(Object arg1,
                           Object arg2)

mod

public static <T,U> Projection<T,U> mod(Object arg1,
                        Object arg2)

suppress

public Projection<T,U> suppress()

getProjectedField

public String getProjectedField()

getSourceField

public String getSourceField()

isSuppressed

public boolean isSuppressed()

getProjections

public List<Projection> getProjections()

getArguments

public List<Object> getArguments()

toString

public String toString()

Overrides:

toString in class Object