DependencyTask (Apache SystemDS 3.3.0 API)

java.lang.Object
- org.apache.sysds.runtime.util.DependencyTask<E>

All Implemented Interfaces:

Comparable<DependencyTask<?>>, Callable<E>

Direct Known Subclasses:

DependencyWrapperTask
```
public class DependencyTask<E>
extends Object
implements Comparable<DependencyTask<?>>, Callable<E>
```

Field Summary

Fields
Modifier and Type Field Description

List<DependencyTask<?>> _dependencyTasks
debugging dependency tasks only used if LOG.isDebugEnabled

Constructor Summary

Constructors
Constructor Description

DependencyTask(Callable<E> task, List<DependencyTask<?>> dependantTasks)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addDependent(DependencyTask<?> dependencyTask)`
`void`	`addPool(ExecutorService pool)`
`void`	`assignFuture(CompletableFuture<Future<?>> f)`
`E`	`call()`
`int`	`compareTo(DependencyTask<?> task)`
`boolean`	`hasDependency(DependencyTask<?> dependencyTask)`
`boolean`	`isReady()`
`void`	`setPriority(int priority)`
`String`	`toString()`

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

Field Detail
- _dependencyTasks
```
public List<DependencyTask<?>> _dependencyTasks
```
  debugging dependency tasks only used if LOG.isDebugEnabled

Constructor Detail

DependencyTask

public DependencyTask(Callable<E> task,
                      List<DependencyTask<?>> dependantTasks)

Method Detail

addPool

public void addPool(ExecutorService pool)

assignFuture

public void assignFuture(CompletableFuture<Future<?>> f)

isReady
```
public boolean isReady()
```

setPriority

public void setPriority(int priority)

addDependent

public void addDependent(DependencyTask<?> dependencyTask)

hasDependency

public boolean hasDependency(DependencyTask<?> dependencyTask)

call
```
public E call()
       throws Exception
```
Specified by:

call in interface Callable<E>

Throws:

Exception

toString
```
public String toString()
```
Overrides:

toString in class Object

compareTo
```
public int compareTo(DependencyTask<?> task)
```
Specified by:

compareTo in interface Comparable<E>