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https://issues.apache.org/jira/browse/NIFI-4975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16434775#comment-16434775
]
ASF GitHub Bot commented on NIFI-4975:
--------------------------------------
Github user mattyb149 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2546#discussion_r180937998
--- Diff:
nifi-nar-bundles/nifi-mongodb-bundle/nifi-mongodb-processors/src/main/java/org/apache/nifi/processors/mongodb/gridfs/AbstractGridFSProcessor.java
---
@@ -0,0 +1,111 @@
+/*
+ * 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.mongodb.gridfs;
+
+import com.mongodb.client.gridfs.GridFSBucket;
+import com.mongodb.client.gridfs.GridFSBuckets;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.Validator;
+import org.apache.nifi.expression.ExpressionLanguageScope;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.Relationship;
+import org.apache.nifi.processor.util.StandardValidators;
+import org.apache.nifi.processors.mongodb.AbstractMongoProcessor;
+import org.apache.nifi.util.StringUtils;
+import org.bson.types.ObjectId;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class AbstractGridFSProcessor extends
AbstractMongoProcessor {
+
+ static final PropertyDescriptor BUCKET_NAME = new
PropertyDescriptor.Builder()
+ .name("gridfs-bucket-name")
+ .displayName("Bucket Name")
+ .description("The GridFS bucket where the files will be stored. If
left blank, it will use the default value 'fs' " +
+ "that the MongoDB client driver uses.")
+
.expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
+ .required(false)
+ .addValidator(Validator.VALID)
+ .build();
+
+ static final PropertyDescriptor FILE_NAME = new
PropertyDescriptor.Builder()
+ .name("gridfs-file-name")
+ .displayName("File Name")
+ .description("The name of the file in the bucket that is the
target of this processor.")
+
.expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
+ .required(false)
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .build();
+
+ static final Relationship REL_FAILURE = new Relationship.Builder()
+ .name("failure")
+ .description("When there is a failure processing the flowfile, it
goes to this relationship.")
+ .build();
+
+ static final Relationship REL_SUCCESS = new Relationship.Builder()
+ .name("success")
+ .description("When the operation success, the flowfile is sent to
this relationship.")
--- End diff --
This wording is a bit awkward (perhaps copy-paste, but here's the chance to
improve it)
> Add support for MongoDB GridFS
> ------------------------------
>
> Key: NIFI-4975
> URL: https://issues.apache.org/jira/browse/NIFI-4975
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Mike Thomsen
> Assignee: Mike Thomsen
> Priority: Major
>
> [An overview |https://docs.mongodb.com/manual/core/gridfs/]of what GridFS is.
> Basic CRUD processors for handling GridFS should be added to the MongoDB NAR.
>
>
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