| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.nifi.cluster.coordination.http.endpoints; |
| |
| import org.apache.nifi.cluster.manager.NodeResponse; |
| import org.apache.nifi.cluster.protocol.NodeIdentifier; |
| import org.apache.nifi.web.api.dto.ConfigVerificationResultDTO; |
| import org.apache.nifi.web.api.dto.VerifyProcessorConfigRequestDTO; |
| import org.apache.nifi.web.api.entity.VerifyProcessorConfigRequestEntity; |
| |
| import java.net.URI; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.regex.Pattern; |
| |
| public class VerifyProcessorConfigEndpointMerger extends AbstractSingleEntityEndpoint<VerifyProcessorConfigRequestEntity> { |
| public static final Pattern VERIFY_PROCESSOR_CONFIG_URI_PATTERN = Pattern.compile("/nifi-api/processors/[a-f0-9\\-]{36}/config/verification-requests(/[a-f0-9\\-]{36})?"); |
| |
| @Override |
| protected Class<VerifyProcessorConfigRequestEntity> getEntityClass() { |
| return VerifyProcessorConfigRequestEntity.class; |
| } |
| |
| @Override |
| public boolean canHandle(final URI uri, final String method) { |
| return VERIFY_PROCESSOR_CONFIG_URI_PATTERN.matcher(uri.getPath()).matches(); |
| } |
| |
| @Override |
| protected void mergeResponses(final VerifyProcessorConfigRequestEntity clientEntity, final Map<NodeIdentifier, VerifyProcessorConfigRequestEntity> entityMap, |
| final Set<NodeResponse> successfulResponses, final Set<NodeResponse> problematicResponses) { |
| |
| final VerifyProcessorConfigRequestDTO requestDto = clientEntity.getRequest(); |
| final List<ConfigVerificationResultDTO> results = requestDto.getResults(); |
| |
| // If the result hasn't been set, the task is not yet complete, so we don't have to bother merging the results. |
| if (results == null) { |
| return; |
| } |
| |
| // Aggregate the Config Verification Results across all nodes into a single List |
| final ConfigVerificationResultMerger resultMerger = new ConfigVerificationResultMerger(); |
| for (final Map.Entry<NodeIdentifier, VerifyProcessorConfigRequestEntity> entry : entityMap.entrySet()) { |
| final NodeIdentifier nodeId = entry.getKey(); |
| final VerifyProcessorConfigRequestEntity entity = entry.getValue(); |
| |
| final List<ConfigVerificationResultDTO> nodeResults = entity.getRequest().getResults(); |
| resultMerger.addNodeResults(nodeId, nodeResults); |
| } |
| |
| final List<ConfigVerificationResultDTO> aggregateResults = resultMerger.computeAggregateResults(); |
| |
| clientEntity.getRequest().setResults(aggregateResults); |
| } |
| |
| } |