Package com.azure.resourcemanager.resources.fluentcore.dag

Class DAGNode<DataT,NodeT extends DAGNode<DataT,NodeT>>

java.lang.Object
com.azure.resourcemanager.resources.fluentcore.dag.Node<DataT,NodeT>
com.azure.resourcemanager.resources.fluentcore.dag.DAGNode<DataT,NodeT>
Type Parameters:
DataT - the type of the data stored in the node
NodeT - the type of the node
Direct Known Subclasses:
TaskGroupEntry
public class DAGNode<DataT,NodeT extends DAGNode<DataT,NodeT>> extends Node<DataT,NodeT>
The type representing node in a DAGraph.

  • Constructor Details

    • DAGNode

      public DAGNode(String key, DataT data)
      Creates a DAG node.
      Parameters:
      key - unique id of the node
      data - data to be stored in the node

  • Method Details

    • lock

      public ReentrantLock lock()
      Gets the lock to be used while performing thread safe operation on this node.
      Returns:
      the lock to be used while performing thread safe operation on this node.

    • addDependent

      public void addDependent(String key)
      Mark the node identified by the given key as dependent of this node.
      Parameters:
      key - the id of the dependent node

    • dependencyKeys

      public List<String> dependencyKeys()
      Gets a list of keys of nodes in DAGraph that this node depends on.
      Returns:
      a list of keys of nodes in DAGraph that this node depends on

    • addDependency

      public void addDependency(String dependencyKey)
      Mark the node identified by the given key as this node's dependency.
      Parameters:
      dependencyKey - the id of the dependency node

    • removeDependency

      public void removeDependency(String dependencyKey)
      Remove the dependency node identified by the given key from the dependencies.
      Parameters:
      dependencyKey - the id of the dependency node

    • hasDependencies

      public boolean hasDependencies()
      Check whether this node has any dependency.
      Returns:
      true if this node has any dependency

    • setPreparer

      public void setPreparer(boolean isPreparer)
      Mark or un-mark this node as preparer.
      Parameters:
      isPreparer - true if this node needs to be marked as preparer, false otherwise.

    • isPreparer

      public boolean isPreparer()
      Check whether this node is marked as preparer.
      Returns:
      true if this node is marked as preparer

    • initialize

      public void initialize()
      Initialize the node so that traversal can be performed on the parent DAG.

    • onSuccessfulResolution

      protected void onSuccessfulResolution(String dependencyKey)
      Reports a dependency of this node has been successfully resolved.
      Parameters:
      dependencyKey - the id of the dependency node

    • onFaultedResolution

      protected void onFaultedResolution(String dependencyKey, Throwable throwable)
      Reports a dependency of this node has been faulted.
      Parameters:
      dependencyKey - the id of the dependency node
      throwable - the reason for unsuccessful resolution