Github user danbress commented on a diff in the pull request:
https://github.com/apache/nifi/pull/72#discussion_r36205680
--- Diff:
nifi/nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/s3/DeleteS3Object.java
---
@@ -0,0 +1,125 @@
+/*
+ * 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.aws.s3;
+
+import java.io.IOException;
+import java.util.*;
+import java.util.concurrent.TimeUnit;
+
+import com.amazonaws.AmazonClientException;
+import com.amazonaws.services.s3.AmazonS3;
+import com.amazonaws.services.s3.model.*;
+import org.apache.nifi.annotation.behavior.*;
+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.PropertyDescriptor;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+import org.apache.nifi.processor.util.StandardValidators;
+
+@SupportsBatching
+@SeeAlso({PutS3Object.class})
+@Tags({"Amazon", "S3", "AWS", "Archive", "Delete"})
+@CapabilityDescription("Deletes FlowFiles on an Amazon S3 Bucket")
+@DynamicProperty(name = "The name of a User-Defined Metadata field to add
to the S3 Object",
+ value = "The value of a User-Defined Metadata field to add to the
S3 Object",
+ description = "Allows user-defined metadata to be added to the S3
object as key/value pairs",
+ supportsExpressionLanguage = true)
+@ReadsAttribute(attribute = "filename", description = "Uses the FlowFile's
filename as the filename for the S3 object")
+@WritesAttributes({
+ @WritesAttribute(attribute = "s3.bucket", description = "The name
of the S3 bucket"),
+ @WritesAttribute(attribute = "s3.version", description = "The
version of the S3 Object"),
+ @WritesAttribute(attribute = "path", description = "The path of
the file"),
+})
+public class DeleteS3Object extends AbstractS3Processor {
+
+ public static final PropertyDescriptor VERSION_ID = new
PropertyDescriptor.Builder()
+ .name("Version")
+ .description("The Version of the Object to delete")
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .expressionLanguageSupported(true)
+ .required(false)
--- End diff --
Why wouldn't this field be required?
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