ChrisSamo632 commented on code in PR #7671: URL: https://github.com/apache/nifi/pull/7671#discussion_r1326434193
########## nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-restapi-processors/src/main/java/org/apache/nifi/processors/elasticsearch/ConsumeElasticsearch.java: ########## @@ -0,0 +1,280 @@ +/* + * 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.elasticsearch; + +import com.fasterxml.jackson.core.type.TypeReference; +import com.fasterxml.jackson.databind.JsonNode; +import org.apache.nifi.annotation.behavior.DynamicProperty; +import org.apache.nifi.annotation.behavior.InputRequirement; +import org.apache.nifi.annotation.behavior.PrimaryNodeOnly; +import org.apache.nifi.annotation.behavior.Stateful; +import org.apache.nifi.annotation.behavior.SystemResource; +import org.apache.nifi.annotation.behavior.SystemResourceConsideration; +import org.apache.nifi.annotation.behavior.TriggerSerially; +import org.apache.nifi.annotation.behavior.WritesAttribute; +import org.apache.nifi.annotation.behavior.WritesAttributes; +import org.apache.nifi.annotation.configuration.DefaultSchedule; +import org.apache.nifi.annotation.documentation.CapabilityDescription; +import org.apache.nifi.annotation.documentation.SeeAlso; +import org.apache.nifi.annotation.documentation.Tags; +import org.apache.nifi.annotation.lifecycle.OnScheduled; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.components.state.Scope; +import org.apache.nifi.components.state.StateMap; +import org.apache.nifi.elasticsearch.SearchResponse; +import org.apache.nifi.expression.ExpressionLanguageScope; +import org.apache.nifi.flowfile.FlowFile; +import org.apache.nifi.processor.ProcessContext; +import org.apache.nifi.processor.ProcessSession; +import org.apache.nifi.processor.util.JsonValidator; +import org.apache.nifi.processor.util.StandardValidators; +import org.apache.nifi.processors.elasticsearch.api.PaginatedJsonQueryParameters; +import org.apache.nifi.util.StringUtils; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.stream.Collectors; + +@WritesAttributes({ + @WritesAttribute(attribute = "mime.type", description = "application/json"), + @WritesAttribute(attribute = "page.number", description = "The number of the page (request) in which the results were returned that are in the output flowfile"), + @WritesAttribute(attribute = "hit.count", description = "The number of hits that are in the output flowfile"), + @WritesAttribute(attribute = "elasticsearch.query.error", description = "The error message provided by Elasticsearch if there is an error querying the index.") +}) +@InputRequirement(InputRequirement.Requirement.INPUT_FORBIDDEN) +@TriggerSerially +@PrimaryNodeOnly +@DefaultSchedule(period="1 min") +@Tags({"elasticsearch", "elasticsearch5", "elasticsearch6", "elasticsearch7", "elasticsearch8", "query", "scroll", "page", "search", "json"}) +@CapabilityDescription("A processor that repeatedly runs a paginated query against a field using a Range query to consume new Documents from an Elasticsearch index/query. " + + "The processor will retrieve multiple pages of results until either no more results are available or the Pagination Keep Alive expiration is reached, " + + "after which the Range query will automatically update the field constraint based on the last retrieved Document value.") +@SeeAlso({SearchElasticsearch.class, PaginatedJsonQueryElasticsearch.class}) +@DynamicProperty( + name = "The name of a URL query parameter to add", + value = "The value of the URL query parameter", + expressionLanguageScope = ExpressionLanguageScope.FLOWFILE_ATTRIBUTES, + description = "Adds the specified property name/value as a query parameter in the Elasticsearch URL used for processing. " + + "These parameters will override any matching parameters in the query request body") Review Comment: Update with NIFI-12063 changes from #7695 if/when accepted -- This is an automated message from the Apache Git Service. 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