Package org.apache.flink.state.api.runtime.metadata

Class SavepointMetadataV2

java.lang.Object
org.apache.flink.state.api.runtime.metadata.SavepointMetadataV2
@Internal public class SavepointMetadataV2 extends Object
Savepoint metadata that can be modified.

  • Constructor Details

    • SavepointMetadataV2

      public SavepointMetadataV2(int maxParallelism, Collection<org.apache.flink.runtime.checkpoint.MasterState> masterStates, Collection<org.apache.flink.runtime.checkpoint.OperatorState> initialStates)

  • Method Details

    • getMaxParallelism

      public int getMaxParallelism()

    • getMasterStates

      public Collection<org.apache.flink.runtime.checkpoint.MasterState> getMasterStates()

    • getOperatorState

      public org.apache.flink.runtime.checkpoint.OperatorState getOperatorState(OperatorIdentifier identifier) throws IOException
      Returns:
      Operator state for the given UID.
      Throws:
      IOException - If the savepoint does not contain operator state with the given uid.

    • removeOperator

      public void removeOperator(OperatorIdentifier identifier)

    • addOperator

      public void addOperator(OperatorIdentifier identifier, StateBootstrapTransformation<?> transformation)

    • getExistingOperators

      public List<org.apache.flink.runtime.checkpoint.OperatorState> getExistingOperators()
      Returns:
      List of OperatorState that already exists within the savepoint.

    • getNewOperators

      public List<StateBootstrapTransformationWithID<?>> getNewOperators()
      Returns:
      List of new operator states for the savepoint, represented by their target OperatorID and StateBootstrapTransformation.