Github user markap14 commented on a diff in the pull request: https://github.com/apache/nifi/pull/180#discussion_r50878801 --- Diff: nifi-nar-bundles/nifi-elasticsearch-bundle/nifi-elasticsearch-processors/src/main/java/org/apache/nifi/processors/elasticsearch/PutElasticsearch.java --- @@ -0,0 +1,231 @@ +/* + * 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 org.apache.commons.io.IOUtils; +import org.apache.nifi.annotation.behavior.EventDriven; +import org.apache.nifi.annotation.documentation.CapabilityDescription; +import org.apache.nifi.annotation.documentation.Tags; +import org.apache.nifi.components.PropertyDescriptor; +import org.apache.nifi.expression.AttributeExpression; +import org.apache.nifi.flowfile.FlowFile; +import org.apache.nifi.logging.ProcessorLog; +import org.apache.nifi.processor.ProcessContext; +import org.apache.nifi.processor.ProcessSession; +import org.apache.nifi.processor.Relationship; +import org.apache.nifi.processor.exception.ProcessException; +import org.apache.nifi.processor.io.InputStreamCallback; +import org.apache.nifi.processor.util.StandardValidators; +import org.elasticsearch.ElasticsearchParseException; +import org.elasticsearch.ElasticsearchTimeoutException; +import org.elasticsearch.action.bulk.BulkItemResponse; +import org.elasticsearch.action.bulk.BulkRequestBuilder; +import org.elasticsearch.action.bulk.BulkResponse; + +import org.elasticsearch.client.transport.NoNodeAvailableException; +import org.elasticsearch.node.NodeClosedException; +import org.elasticsearch.transport.ReceiveTimeoutTransportException; + +import java.io.IOException; +import java.io.InputStream; +import java.nio.charset.StandardCharsets; +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashSet; +import java.util.List; +import java.util.Set; + + +@EventDriven +@Tags({"elasticsearch", "insert", "update", "write", "put"}) +@CapabilityDescription("Writes the contents of a FlowFile to Elasticsearch") +public class PutElasticsearch extends AbstractElasticsearchProcessor { + + static final Relationship REL_SUCCESS = new Relationship.Builder().name("success") + .description("All FlowFiles that are written to Elasticsearch are routed to this relationship").build(); + + static final Relationship REL_FAILURE = new Relationship.Builder().name("failure") + .description("All FlowFiles that cannot be written to Elasticsearch are routed to this relationship").build(); + + static final Relationship REL_RETRY = new Relationship.Builder().name("retry") + .description("A FlowFile is routed to this relationship if the database cannot be updated but attempting the operation again may succeed") + .build(); + + public static final PropertyDescriptor ID_ATTRIBUTE = new PropertyDescriptor.Builder() + .name("Identifier attribute") + .description("The name of the attribute containing the identifier for each FlowFile") --- End diff -- Perhaps this should just be called "Document Identifier" and support the Expression Language - this way, it doesn't have to necessarily just be a single attribute that contains the ID?
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