Package org.apache.nifi.cluster.manager

Class ErrorMerger

java.lang.Object

org.apache.nifi.cluster.manager.ErrorMerger

public final class ErrorMerger
extends Object

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ErrorMerger()

Method Summary

Modifier and Type	Method	Description
static void	mergeErrors(Map<String,Set<NodeIdentifier>> validationErrorMap, NodeIdentifier nodeId, Collection<String> nodeErrors)	Merges the validation or authorization errors.
static <T> String	mergeValidationStatus(Collection<String> validationStatuses)	Determines the appropriate Validation Status to use as the aggregate for the given validation statuses
static Set<String>	normalizedMergedErrors(Map<String,Set<NodeIdentifier>> errorMap, int totalNodes)	Normalizes the validation errors.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ErrorMerger

private ErrorMerger()

Method Details

mergeErrors

public static void mergeErrors(Map<String,Set<NodeIdentifier>> validationErrorMap,
 NodeIdentifier nodeId,
 Collection<String> nodeErrors)

Merges the validation or authorization errors.

Parameters:

validationErrorMap - errors for each node

nodeId - node id

nodeErrors - node errors

normalizedMergedErrors

public static Set<String> normalizedMergedErrors(Map<String,Set<NodeIdentifier>> errorMap,
 int totalNodes)

Normalizes the validation errors.

Parameters:

errorMap - validation errors for each node

totalNodes - total number of nodes

Returns:

the normalized validation errors

mergeValidationStatus

public static <T> String mergeValidationStatus(Collection<String> validationStatuses)

Determines the appropriate Validation Status to use as the aggregate for the given validation statuses

Parameters:

validationStatuses - the components' validation statuses

Returns:

ProcessorDTO.INVALID if any status is invalid, else ProcessorDTO.VALIDATING if any status is validating, else ProcessorDTO.VALID