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https://issues.apache.org/jira/browse/MINIFICPP-681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16701793#comment-16701793
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ASF GitHub Bot commented on MINIFICPP-681:
------------------------------------------
Github user phrocker commented on a diff in the pull request:
https://github.com/apache/nifi-minifi-cpp/pull/445#discussion_r237057728
--- Diff: libminifi/src/processors/HashContent.cpp ---
@@ -0,0 +1,100 @@
+/**
+ * @file HashContent.cpp
+ * HashContent class implementation
+ *
+ * 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.
+ */
+
+#ifdef OPENSSL_SUPPORT
+
+#include <algorithm>
+#include <iostream>
+#include <memory>
+#include <string>
+#include "processors/HashContent.h"
+#include "core/ProcessContext.h"
+#include "core/ProcessSession.h"
+#include "core/FlowFile.h"
+
+namespace org {
+namespace apache {
+namespace nifi {
+namespace minifi {
+namespace processors {
+
+core::Property HashContent::HashAttribute("Hash Attribute", "Attribute to
store checksum to", "Checksum");
+core::Property HashContent::HashAlgorithm("Hash Algorithm", "Name of the
algorithm used to generate checksum", "MD5");
+core::Relationship HashContent::Success("success", "success operational on
the flow record");
+
+void HashContent::initialize() {
+ //! Set the supported properties
+ std::set<core::Property> properties;
+ properties.insert(HashAttribute);
+ properties.insert(HashAlgorithm);
+ setSupportedProperties(properties);
+ //! Set the supported relationships
+ std::set<core::Relationship> relationships;
+ relationships.insert(Success);
+ setSupportedRelationships(relationships);
+}
+
+void HashContent::onSchedule(core::ProcessContext *context,
core::ProcessSessionFactory *sessionFactory) {
+ std::string value;
+
+ attrKey_ = (context->getProperty(HashAttribute.getName(), value)) ?
value : "Checksum";
+ algoName_ = (context->getProperty(HashAlgorithm.getName(), value)) ?
value : "MD5";
--- End diff --
I'm not sure that's "low power friendly," but they can deal with that
through configuration.
> Add content hash processor
> --------------------------
>
> Key: MINIFICPP-681
> URL: https://issues.apache.org/jira/browse/MINIFICPP-681
> Project: NiFi MiNiFi C++
> Issue Type: Improvement
> Reporter: Arpad Boda
> Assignee: Arpad Boda
> Priority: Major
> Fix For: 0.6.0
>
>
> Add a new processor that supports hashing content and add the checksum to the
> flowfile as an attribute.
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