Package org.apache.flink.runtime.jobgraph.forwardgroup

Class StreamNodeForwardGroup

java.lang.Object
org.apache.flink.runtime.jobgraph.forwardgroup.StreamNodeForwardGroup
All Implemented Interfaces:
ForwardGroup<Integer>
public class StreamNodeForwardGroup extends Object implements ForwardGroup<Integer>
Stream node level implement for ForwardGroup.

  • Constructor Details

    • StreamNodeForwardGroup

      public StreamNodeForwardGroup(Set<StreamNode> streamNodes)

  • Method Details

    • setParallelism

      public void setParallelism(int parallelism)
      Description copied from interface: ForwardGroup
      Sets the parallelism for this forward group.
      Specified by:
      setParallelism in interface ForwardGroup<Integer>
      Parameters:
      parallelism - the parallelism to set.

    • isParallelismDecided

      public boolean isParallelismDecided()
      Description copied from interface: ForwardGroup
      Returns if parallelism has been decided for this forward group.
      Specified by:
      isParallelismDecided in interface ForwardGroup<Integer>
      Returns:
      is parallelism decided for this forward group.

    • getParallelism

      public int getParallelism()
      Description copied from interface: ForwardGroup
      Returns the parallelism for this forward group.
      Specified by:
      getParallelism in interface ForwardGroup<Integer>
      Returns:
      parallelism for this forward group.

    • setMaxParallelism

      public void setMaxParallelism(int maxParallelism)
      Description copied from interface: ForwardGroup
      Sets the max parallelism for this forward group.
      Specified by:
      setMaxParallelism in interface ForwardGroup<Integer>
      Parameters:
      maxParallelism - the max parallelism to set.

    • isMaxParallelismDecided

      public boolean isMaxParallelismDecided()
      Description copied from interface: ForwardGroup
      Returns if max parallelism has been decided for this forward group.
      Specified by:
      isMaxParallelismDecided in interface ForwardGroup<Integer>
      Returns:
      is max parallelism decided for this forward group.

    • getMaxParallelism

      public int getMaxParallelism()
      Description copied from interface: ForwardGroup
      Returns the max parallelism for this forward group.
      Specified by:
      getMaxParallelism in interface ForwardGroup<Integer>
      Returns:
      max parallelism for this forward group.

    • getVertexIds

      public Set<Integer> getVertexIds()
      Description copied from interface: ForwardGroup
      Returns the vertex ids in this forward group.
      Specified by:
      getVertexIds in interface ForwardGroup<Integer>
      Returns:
      vertex ids in this forward group.

    • mergeForwardGroup

      public boolean mergeForwardGroup(StreamNodeForwardGroup forwardGroupToMerge)
      Merges forwardGroupToMerge into this and update the parallelism information for stream nodes in merged forward group.
      Parameters:
      forwardGroupToMerge - The forward group to be merged.
      Returns:
      whether the merge was successful.

    • size

      @VisibleForTesting public int size()