com.mongodb

Class AggregationOptions

java.lang.Object

com.mongodb.AggregationOptions

public class AggregationOptions
extends java.lang.Object

The options to apply to an aggregate operation.

Since:

2.12

MongoDB documentation

aggregate

Since server release

2.2

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AggregationOptions.Builder Builder for creating AggregationOptions.
static class	AggregationOptions.OutputMode Enumeration to define where the results of the aggregation will be output.

Method Summary

Methods

Modifier and Type	Method and Description
static AggregationOptions.Builder	builder() Creates a new Builder for AggregationOptions.
java.lang.Boolean	getAllowDiskUse() If true, this enables external sort capabilities, otherwise $sort produces an error if the operation consumes 10 percent or more of RAM.
java.lang.Integer	getBatchSize() The size of batches to use when iterating over results.
long	getMaxTime(java.util.concurrent.TimeUnit timeUnit) Gets the maximum execution time for the aggregation command.
AggregationOptions.OutputMode	getOutputMode() The mode of output for this configuration.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

getAllowDiskUse

public java.lang.Boolean getAllowDiskUse()

If true, this enables external sort capabilities, otherwise $sort produces an error if the operation consumes 10 percent or more of RAM.

Returns:

true if aggregation stages can write data to temporary files

Since server release

2.6

getBatchSize

public java.lang.Integer getBatchSize()

The size of batches to use when iterating over results.

Returns:

the batch size

Since server release

2.6

getOutputMode

public AggregationOptions.OutputMode getOutputMode()

The mode of output for this configuration.

Returns:

whether the output will be inline or via a cursor

See Also:

AggregationOptions.OutputMode

getMaxTime

public long getMaxTime(java.util.concurrent.TimeUnit timeUnit)

Gets the maximum execution time for the aggregation command.

Parameters:

timeUnit - the time unit for the result

Returns:

the max time

Since:

2.12

Since server release

2.6

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

builder

public static AggregationOptions.Builder builder()

Creates a new Builder for AggregationOptions.

Returns:

a new empty builder.