SparkExecutionContext (Apache Wayang (incubating) 0.7.1 API)

java.lang.Object
- org.apache.wayang.spark.execution.SparkExecutionContext

All Implemented Interfaces:

java.io.Serializable, ExecutionContext
```
public class SparkExecutionContext
extends java.lang.Object
implements ExecutionContext, java.io.Serializable
```
ExecutionContext implementation for the SparkPlatform.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor	Description
`SparkExecutionContext(int iterationNumber)`	Creates a new instance.
`SparkExecutionContext(SparkExecutionOperator operator, ChannelInstance[] inputs, int iterationNumber)`	Creates a new instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<T> java.util.Collection<T>`	`getBroadcast(java.lang.String name)`	Accesses a broadcast.
`int`	`getCurrentIteration()`	If this instance reflects the state of execution inside of a `LoopSubplan`, then retrieve the number of the current iteration.

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

- Constructor Detail
  - SparkExecutionContext
```
public SparkExecutionContext(SparkExecutionOperator operator,
                             ChannelInstance[] inputs,
                             int iterationNumber)
```
    Creates a new instance.
    
    Parameters:
    
    operator - SparkExecutionOperator for that the instance should be created
    
    inputs - ChannelInstance inputs for the operator
  - SparkExecutionContext
```
public SparkExecutionContext(int iterationNumber)
```
    Creates a new instance.
- Method Detail
  - getBroadcast
```
public <T> java.util.Collection<T> getBroadcast(java.lang.String name)
```
    Description copied from interface: ExecutionContext
    
    Accesses a broadcast.
    
    Specified by:
    
    getBroadcast in interface ExecutionContext
    
    Type Parameters:
    
    T - type of the broadcast
    
    Parameters:
    
    name - name of the broadcast
    
    Returns:
    
    the broadcast
  - getCurrentIteration
```
public int getCurrentIteration()
```
    Description copied from interface: ExecutionContext
    
    If this instance reflects the state of execution inside of a LoopSubplan, then retrieve the number of the current iteration.
    
    Specified by:
    
    getCurrentIteration in interface ExecutionContext
    
    Returns:
    
    the iteration number, start at 0, or -1 if there is no surrounding LoopSubplan