Github user JPercivall commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1233#discussion_r88342854
--- Diff:
nifi-nar-bundles/nifi-elasticsearch-5-bundle/nifi-elasticsearch-5-processors/src/main/java/org/apache/nifi/processors/elasticsearch/PutElasticsearch5.java
---
@@ -0,0 +1,266 @@
+/*
+ * 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.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.SupportsBatching;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.annotation.lifecycle.OnScheduled;
+import org.apache.nifi.annotation.lifecycle.OnStopped;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.expression.AttributeExpression;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.logging.ComponentLog;
+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.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.Charset;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+
+
+@InputRequirement(InputRequirement.Requirement.INPUT_REQUIRED)
+@EventDriven
+@SupportsBatching
+@Tags({"elasticsearch", "elasticsearch 5","insert", "update", "write",
"put"})
+@CapabilityDescription("Writes the contents of a FlowFile to
Elasticsearch, using the specified parameters such as "
+ + "the index to insert into and the type of the document. If the
cluster has been configured for authorization "
+ + "and/or secure transport (SSL/TLS), and the X-Pack plugin is
available, secure connections can be made. This processor "
+ + "supports Elasticsearch 5.x clusters.")
+public class PutElasticsearch5 extends
AbstractElasticsearch5TransportClientProcessor {
+
+ 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("el5-put-id-attribute")
+ .displayName("Identifier Attribute")
+ .description("The name of the attribute containing the
identifier for each FlowFile")
+ .required(true)
+ .expressionLanguageSupported(false)
+ .addValidator(StandardValidators.ATTRIBUTE_KEY_VALIDATOR)
+ .build();
+
+ public static final PropertyDescriptor INDEX = new
PropertyDescriptor.Builder()
+ .name("el5-put-index")
+ .displayName("Index")
+ .description("The name of the index to insert into")
+ .required(true)
+ .expressionLanguageSupported(true)
+
.addValidator(StandardValidators.createAttributeExpressionLanguageValidator(
+ AttributeExpression.ResultType.STRING, true))
+ .build();
+
+ public static final PropertyDescriptor TYPE = new
PropertyDescriptor.Builder()
+ .name("el5-put-type")
+ .displayName("Type")
+ .description("The type of this document (used by Elasticsearch
for indexing and searching)")
+ .required(true)
+ .expressionLanguageSupported(true)
+
.addValidator(StandardValidators.createAttributeExpressionLanguageValidator(
+ AttributeExpression.ResultType.STRING, true))
+ .build();
+
+ public static final PropertyDescriptor INDEX_OP = new
PropertyDescriptor.Builder()
+ .name("el5-put-index-op")
+ .displayName("Index Operation")
+ .description("The type of the operation used to index (index,
update, upsert)")
+ .required(true)
+ .expressionLanguageSupported(true)
+
.addValidator(StandardValidators.createAttributeExpressionLanguageValidator(
--- End diff --
This should do what "host" does for validation, if EL is present then mark
valid else validate what is there (ie. check if it is index, update or upsert)
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