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https://issues.apache.org/jira/browse/NIFI-4906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16514830#comment-16514830
]
ASF GitHub Bot commented on NIFI-4906:
--------------------------------------
Github user bdesert commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2639#discussion_r195906462
--- Diff:
nifi-nar-bundles/nifi-hadoop-bundle/nifi-hdfs-processors/src/main/java/org/apache/nifi/processors/hadoop/GetHDFSFileInfo.java
---
@@ -0,0 +1,803 @@
+/*
+ * 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.hadoop;
+
+import java.io.IOException;
+import java.security.PrivilegedExceptionAction;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+import java.util.regex.Pattern;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.permission.FsAction;
+import org.apache.hadoop.fs.permission.FsPermission;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
+import org.apache.nifi.annotation.behavior.TriggerSerially;
+import org.apache.nifi.annotation.behavior.TriggerWhenEmpty;
+import org.apache.nifi.annotation.behavior.WritesAttribute;
+import org.apache.nifi.annotation.behavior.WritesAttributes;
+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.components.AllowableValue;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.PropertyValue;
+import org.apache.nifi.components.ValidationContext;
+import org.apache.nifi.components.ValidationResult;
+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.ProcessorInitializationContext;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processor.exception.ProcessException;
+import org.apache.nifi.processor.util.StandardValidators;
+import
org.apache.nifi.processors.hadoop.GetHDFSFileInfo.HDFSFileInfoRequest.Groupping;
+
+@TriggerSerially
+@TriggerWhenEmpty
--- End diff --
@bbende , removed TriggerWhenEmpty and TriggerSerially. Copy/paste from
statefull processor, no need in this case.
> Add GetHdfsFileInfo Processor
> -----------------------------
>
> Key: NIFI-4906
> URL: https://issues.apache.org/jira/browse/NIFI-4906
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Extensions
> Reporter: Ed Berezitsky
> Assignee: Ed Berezitsky
> Priority: Major
> Labels: patch, pull-request-available
> Attachments: NiFi-GetHDFSFileInfo.pdf, gethdfsfileinfo.patch
>
>
> Add *GetHdfsFileInfo* Processor to be able to get stats from a file system.
> This processor should support recursive scan, getting information of
> directories and files.
> _File-level info required_: name, path, length, modified timestamp, last
> access timestamp, owner, group, permissions.
> _Directory-level info required_: name, path, sum of lengths of files under a
> dir, count of files under a dir, modified timestamp, last access timestamp,
> owner, group, permissions.
>
> The result returned:
> * in single flow file (in content - a json line per file/dir info);
> * flow file per each file/dir info (in content as json obj or in set of
> attributes by the choice).
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