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https://issues.apache.org/jira/browse/MINIFICPP-269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16235773#comment-16235773
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ASF GitHub Bot commented on MINIFICPP-269:
------------------------------------------
Github user phrocker commented on a diff in the pull request:
https://github.com/apache/nifi-minifi-cpp/pull/157#discussion_r148538850
--- Diff: extensions/bustache/ApplyTemplate.cpp ---
@@ -0,0 +1,100 @@
+/**
+ * @file ApplyTemplate.cpp
+ * ApplyTemplate 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.
+ */
+#include <string.h>
+#include <iostream>
+#include <fstream>
+#include <memory>
+#include <string>
+#include <set>
+
+#include <boost/iostreams/device/mapped_file.hpp>
+
+#include <bustache/model.hpp>
+#include <bustache/format.hpp>
+
+#include "ApplyTemplate.h"
+#include "core/ProcessContext.h"
+#include "core/ProcessSession.h"
+
+
+namespace org {
+namespace apache {
+namespace nifi {
+namespace minifi {
+namespace processors {
+
+core::Property ApplyTemplate::Template("Template", "Path to the input
mustache template file", "");
+core::Relationship ApplyTemplate::Success("success", "success operational
on the flow record");
+
+void ApplyTemplate::initialize() {
+ //! Set the supported properties
+ std::set<core::Property> properties;
+ properties.insert(Template);
+ setSupportedProperties(properties);
+ //! Set the supported relationships
+ std::set<core::Relationship> relationships;
+ relationships.insert(Success);
+ setSupportedRelationships(relationships);
+}
+
+void ApplyTemplate::onTrigger(core::ProcessContext *context,
core::ProcessSession *session) {
--- End diff --
The shared ptr variants of these have for a while, so let's move to that
for new processors. While the raw pointers exist I want to ensure new
processors used the shared pointer calls.
> Implement ApplyTemplate processor
> ---------------------------------
>
> Key: MINIFICPP-269
> URL: https://issues.apache.org/jira/browse/MINIFICPP-269
> Project: NiFi MiNiFi C++
> Issue Type: New Feature
> Reporter: Caleb Johnson
> Priority: Minor
> Labels: mustache, processor, template, templates
>
> The ApplyTemplate processor is fairly straightforward: it reads a
> [mustache|https://mustache.github.io/] template from a provided path on disk
> and maps flowfile attributes to template values.
> Dynamic properties (MINIFI-171) would go a long way towards making these
> templates more flexible by using the union of input flowfile attributes and
> (possibly evaluated?) properties as the value map.
> Due to its dependency on [bustache|https://github.com/jamboree/bustache] and
> boost, it has been made into an optional extension, much like the libarchive
> processors have.
> It may also be desirable to load the template from the input flowfile's
> contents instead of a configurable path.
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