FederatedResultAccumulator (uk.gov.gchq.gaffer:gaffer2 2.3.1 API)

java.lang.Object
- uk.gov.gchq.gaffer.federated.simple.merge.FederatedResultAccumulator<T>

All Implemented Interfaces:

BiFunction<T,T,T>, BinaryOperator<T>

Direct Known Subclasses:

DefaultResultAccumulator
```
public abstract class FederatedResultAccumulator<T>
extends Object
implements BinaryOperator<T>
```
Abstract base class for accumulators that merge results from multiple graphs together. Has default operators set for common data types.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`aggregateElements()`	Access to see if this accumulator is set to try element aggregation or not.
`void`	`setAggregateElements(boolean aggregateElements)`	Set whether the element aggregation operator should be used.
`void`	`setSchema(Schema schema)`	Sets the schema to use for the `ElementAggregateOperator`.

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

Methods inherited from interface java.util.function.BiFunction
andThen, apply

- Method Detail
  - setAggregateElements
```
public void setAggregateElements(boolean aggregateElements)
```
    Set whether the element aggregation operator should be used. This will attempt to aggregate elements based on the current schema.
    
    Parameters:
    
    aggregateElements - should elements be aggregated.
  - aggregateElements
```
public boolean aggregateElements()
```
    Access to see if this accumulator is set to try element aggregation or not.
    
    Returns:
    
    Is aggregation set.
  - setSchema
```
public void setSchema(Schema schema)
```
    Sets the schema to use for the ElementAggregateOperator.
    
    Parameters:
    
    schema - The schema.