emiliosetiadarma commented on code in PR #8501: URL: https://github.com/apache/nifi/pull/8501#discussion_r1525376745
########## nifi-nar-bundles/nifi-kudu-bundle/nifi-kudu-processors/src/main/java/org/apache/nifi/processors/kudu/PutKuduResult.java: ########## @@ -0,0 +1,148 @@ +/* + * 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.processors.kudu; + +import org.apache.kudu.client.Operation; +import org.apache.kudu.client.RowError; +import org.apache.nifi.flowfile.FlowFile; +import org.apache.nifi.serialization.record.Record; + +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; + +public abstract class PutKuduResult { + protected FlowFile flowFile; + protected final Map<FlowFile, Object> flowFileFailures; + private final Set<FlowFile> processedFlowFiles; + private final Map<FlowFile, Integer> processedRecords; + + public PutKuduResult() { + this.flowFile = null; + + this.flowFileFailures = new HashMap<>(); + this.processedFlowFiles = new HashSet<>(); + this.processedRecords = new HashMap<>(); + } + + public void setFlowFile(final FlowFile flowFile) { + this.flowFile = flowFile; + processedFlowFiles.add(flowFile); + } + + public Set<FlowFile> getProcessedFlowFiles() { + return this.processedFlowFiles; + } + + public int getProcessedRecordsForFlowFile(final FlowFile flowFile) { + return this.processedRecords.getOrDefault(flowFile, 0); + } + + /** + * Increments the number of {@link Record}s that has been successfully processed for this {@link FlowFile} + */ + public void incrementProcessedRecordsForFlowFile() { + final int newCount = this.processedRecords.getOrDefault(flowFile, 0) + 1; + this.processedRecords.put(flowFile, newCount); + } + + /** + * Records an {@link Operation} being processed for a specific {@link FlowFile} + * @param operation the {@link Operation} to record + */ + public abstract void recordOperation(final Operation operation); + + /** + * Records a {@link RowError} for the particular {@link FlowFile} that's being processed + * @param rowError the {@link RowError} to add + */ + public abstract void addError(final RowError rowError); + + /** + * Records a {@link List} of {@link RowError}s for the particular {@link FlowFile} that's being processed + * @param rowErrors the {@link List} of {@link RowError}s to add + */ + public void addErrors(final List<RowError> rowErrors) { + for (final RowError rowError : rowErrors) { + addError(rowError); + } + } + + /** + * Records a failure (an {@link Exception} or a {@link RowError}) for the particular {@link FlowFile} that's being processed. + * A failure is defined as anything that stops the processing of the records in a {@link FlowFile} + * @param failure the {@link Exception} or {@link RowError} to add + */ + public void addFailure(final Object failure) { + if (flowFileFailures.containsKey(flowFile)) { + throw new IllegalStateException("A failure has already previously occurred while processing FlowFile."); + } + flowFileFailures.put(flowFile, failure); + } + + + /** + * Resolves the associations between {@link FlowFile} and the {@link RowError}s that occurred + * while processing them. This is only applicable in batch sesssion flushes, namely when + * using the {@code SessionConfiguration.FlushMode.AUTO_FLUSH_BACKGROUND} and + * {@code SessionConfiguration.FlushMode.MANUAL_FLUSH} flush modes. Otherwise, this + * function should be a no-op. This function should only be called once finished with processing + * all {@link FlowFile}s in a batch. + */ + public void resolveFlowFileToRowErrorAssociations() { + return; + } + + /** + * Checks whether there was a failure (i.e. either an {@link Exception} or {@link RowError} that happened during processing) + * @return {@code true} if there was a {@link Exception} or a {@link RowError} that happened during processing, {@code false} otherwise + */ + public abstract boolean hasRowErrorsOrFailures(); + + /** + * Checks whether the {@link FlowFile} was processed successfully (i.e. no {@link Exception}s or + * {@link RowError}s occurred while processing the {@link FlowFile}). + * + * @param flowFile {@link FlowFile} to check + * @return {@code true} if the processing the {@link FlowFile} did not incur any exceptions, {@code false} otherwise + */ + public boolean isFlowFileProcessedSuccessfully(final FlowFile flowFile) { + if (flowFileFailures.containsKey(flowFile)) { + return false; + } + + return true; Review Comment: Yup, will make the simplification -- This is an automated message from the Apache Git Service. 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