AccumulatorOperators.AccumulatorOperatorFactory (Spring Data MongoDB 2.1.0.RELEASE API)

java.lang.Object
- org.springframework.data.mongodb.core.aggregation.AccumulatorOperators.AccumulatorOperatorFactory

Enclosing class:: AccumulatorOperators

public static class AccumulatorOperators.AccumulatorOperatorFactory
extends Object

Author:: Christoph Strobl

Constructor Summary

Constructors
Constructor and Description
`AccumulatorOperatorFactory(AggregationExpression expression)` Creates new `AccumulatorOperators.AccumulatorOperatorFactory` for given `AggregationExpression`.
`AccumulatorOperatorFactory(String fieldReference)` Creates new `AccumulatorOperators.AccumulatorOperatorFactory` for given fieldReference.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`AccumulatorOperators.Avg`	`avg()` Creates new `AggregationExpression` that takes the associated numeric value expression and returns the average value.
`AccumulatorOperators.Max`	`max()` Creates new `AggregationExpression` that takes the associated numeric value expression and returns the maximum value.
`AccumulatorOperators.Min`	`min()` Creates new `AggregationExpression` that takes the associated numeric value expression and returns the minimum value.
`AccumulatorOperators.StdDevPop`	`stdDevPop()` Creates new `AggregationExpression` that takes the associated numeric value expression and calculates the population standard deviation of the input values.
`AccumulatorOperators.StdDevSamp`	`stdDevSamp()` Creates new `AggregationExpression` that takes the associated numeric value expression and calculates the sample standard deviation of the input values.
`AccumulatorOperators.Sum`	`sum()` Creates new `AggregationExpression` that takes the associated numeric value expression and calculates and returns the sum.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AccumulatorOperatorFactory
```
public AccumulatorOperatorFactory(String fieldReference)
```
    Creates new AccumulatorOperators.AccumulatorOperatorFactory for given fieldReference.
    
    Parameters:
    
    fieldReference - must not be null.
  - AccumulatorOperatorFactory
```
public AccumulatorOperatorFactory(AggregationExpression expression)
```
    Creates new AccumulatorOperators.AccumulatorOperatorFactory for given AggregationExpression.
    
    Parameters:
    
    expression - must not be null.
- Method Detail
  - sum
```
public AccumulatorOperators.Sum sum()
```
    Creates new AggregationExpression that takes the associated numeric value expression and calculates and returns the sum.
    
    Returns:
  - avg
```
public AccumulatorOperators.Avg avg()
```
    Creates new AggregationExpression that takes the associated numeric value expression and returns the average value.
    
    Returns:
  - max
```
public AccumulatorOperators.Max max()
```
    Creates new AggregationExpression that takes the associated numeric value expression and returns the maximum value.
    
    Returns:
  - min
```
public AccumulatorOperators.Min min()
```
    Creates new AggregationExpression that takes the associated numeric value expression and returns the minimum value.
    
    Returns:
  - stdDevPop
```
public AccumulatorOperators.StdDevPop stdDevPop()
```
    Creates new AggregationExpression that takes the associated numeric value expression and calculates the population standard deviation of the input values.
    
    Returns:
  - stdDevSamp
```
public AccumulatorOperators.StdDevSamp stdDevSamp()
```
    Creates new AggregationExpression that takes the associated numeric value expression and calculates the sample standard deviation of the input values.
    
    Returns:

Class AccumulatorOperators.AccumulatorOperatorFactory

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

AccumulatorOperatorFactory

AccumulatorOperatorFactory

Method Detail

sum

avg

max

min

stdDevPop

stdDevSamp