IterationRuntimeContext (Flink : 2.0-SNAPSHOT API)

All Superinterfaces:

RuntimeContext
```
@Public
public interface IterationRuntimeContext
extends RuntimeContext
```
A specialization of the RuntimeContext available in iterative computations of the DataSet API.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`<T extends Aggregator<?>> T`	`getIterationAggregator(String name)`
`<T extends Value> T`	`getPreviousIterationAggregate(String name)`
`int`	`getSuperstepNumber()`	Gets the number of the current superstep.

Methods inherited from interface org.apache.flink.api.common.functions.RuntimeContext
addAccumulator, createSerializer, getAccumulator, getAggregatingState, getBroadcastVariable, getBroadcastVariableWithInitializer, getDistributedCache, getDoubleCounter, getExternalResourceInfos, getGlobalJobParameters, getHistogram, getIntCounter, getJobInfo, getListState, getLongCounter, getMapState, getMetricGroup, getReducingState, getState, getTaskInfo, getUserCodeClassLoader, hasBroadcastVariable, isObjectReuseEnabled, registerUserCodeClassLoaderReleaseHookIfAbsent

- Method Detail
  - getSuperstepNumber
```
int getSuperstepNumber()
```
    Gets the number of the current superstep. Superstep numbers start at 1.
    
    Returns:
    
    The number of the current superstep.
  - getIterationAggregator
```
@PublicEvolving
<T extends Aggregator<?>> T getIterationAggregator(String name)
```
  - getPreviousIterationAggregate
```
<T extends Value> T getPreviousIterationAggregate(String name)
```