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https://issues.apache.org/jira/browse/NIFI-2872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15569802#comment-15569802
]
ASF GitHub Bot commented on NIFI-2872:
--------------------------------------
Github user jvwing commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1125#discussion_r83091812
--- Diff:
nifi-nar-bundles/nifi-aws-bundle/nifi-aws-processors/src/main/java/org/apache/nifi/processors/aws/cloudwatch/PutCloudWatchMetric.java
---
@@ -0,0 +1,203 @@
+/*
+ * 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.cloudwatch;
+
+import com.amazonaws.ClientConfiguration;
+import com.amazonaws.auth.AWSCredentials;
+import com.amazonaws.auth.AWSCredentialsProvider;
+import com.amazonaws.services.cloudwatch.AmazonCloudWatchClient;
+import com.amazonaws.services.cloudwatch.model.MetricDatum;
+import com.amazonaws.services.cloudwatch.model.PutMetricDataRequest;
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.InputRequirement.Requirement;
+import org.apache.nifi.annotation.behavior.SupportsBatching;
+import org.apache.nifi.annotation.documentation.CapabilityDescription;
+import org.apache.nifi.annotation.documentation.Tags;
+import org.apache.nifi.components.PropertyDescriptor;
+import org.apache.nifi.components.ValidationContext;
+import org.apache.nifi.components.ValidationResult;
+import org.apache.nifi.components.Validator;
+import org.apache.nifi.flowfile.FlowFile;
+import org.apache.nifi.processor.ProcessContext;
+import org.apache.nifi.processor.ProcessSession;
+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.aws.AbstractAWSCredentialsProviderProcessor;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Date;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+
+@SupportsBatching
+@InputRequirement(Requirement.INPUT_REQUIRED)
+@Tags({"amazon", "aws", "cloudwatch", "metrics", "put", "publish"})
+@CapabilityDescription("Publishes metrics to Amazon CloudWatch")
+public class PutCloudWatchMetric extends
AbstractAWSCredentialsProviderProcessor<AmazonCloudWatchClient> {
+
+ public static final Set<Relationship> relationships =
Collections.unmodifiableSet(
+ new HashSet<>(Arrays.asList(REL_SUCCESS, REL_FAILURE)));
+
+ private static final Validator DOUBLE_VALIDATOR = new Validator() {
+ @Override
+ public ValidationResult validate(String subject, String input,
ValidationContext context) {
+ if (context.isExpressionLanguageSupported(subject) &&
context.isExpressionLanguagePresent(input)) {
+ return (new
ValidationResult.Builder()).subject(subject).input(input).explanation("Expression
Language Present").valid(true).build();
+ } else {
+ String reason = null;
+
+ try {
+ Double.parseDouble(input);
+ } catch (NumberFormatException var6) {
--- End diff --
Any significance to `var6`? How about `nfe` or just `e`?
> Create PutCloudwatchMetric Processor
> ------------------------------------
>
> Key: NIFI-2872
> URL: https://issues.apache.org/jira/browse/NIFI-2872
> Project: Apache NiFi
> Issue Type: Task
> Components: Core Framework
> Affects Versions: 1.1.0
> Reporter: Edgardo Vega
> Priority: Minor
>
> Create a processor for put metrics into aws cloudwatch.
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