Github user pvillard31 commented on a diff in the pull request:
https://github.com/apache/nifi/pull/721#discussion_r79939789
--- Diff:
nifi-nar-bundles/nifi-ignite-bundle/nifi-ignite-processors/src/main/java/org/apache/nifi/processors/ignite/cache/GetIgniteCache.java
---
@@ -0,0 +1,119 @@
+/*
+ * 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.ignite.cache;
+
+import java.io.ByteArrayInputStream;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.nifi.annotation.behavior.EventDriven;
+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.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.annotation.lifecycle.OnScheduled;
+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.exception.ProcessException;
+
+/**
+ * Get cache processors which gets byte array for the key from Ignite
cache and set the array
+ * as the FlowFile content.
+ */
+@EventDriven
+@SupportsBatching
+@Tags({ "Ignite", "get", "read", "cache", "key" })
+@InputRequirement(Requirement.INPUT_REQUIRED)
+@CapabilityDescription("Get the byte array from Ignite Cache and adds it
as the content of a FlowFile." +
+ "The processor uses the value of FlowFile attribute (Ignite cache
entry key) as the cache key lookup. " +
+ "If the entry corresponding to the key is not found in the cache an
error message is associated with the FlowFile " +
+ "Note - The Ignite Kernel periodically outputs node performance
statistics to the logs. This message " +
+ " can be turned off by setting the log level for logger
'org.apache.ignite' to WARN in the logback.xml configuration file.")
+@WritesAttributes({
+ @WritesAttribute(attribute =
GetIgniteCache.IGNITE_GET_FAILED_REASON_ATTRIBUTE_KEY, description = "The
reason for getting entry from cache"),
+ @WritesAttribute(attribute =
GetIgniteCache.IGNITE_GET_FAILED_MISSING_KEY_MESSAGE, description = "The
FlowFile key attribute was missing.")
+ })
+@SeeAlso({PutIgniteCache.class})
+public class GetIgniteCache extends AbstractIgniteCacheProcessor {
+
+ /** Flow file attribute keys and messages */
+ public static final String IGNITE_GET_FAILED_REASON_ATTRIBUTE_KEY =
"ignite.cache.get.failed.reason";
+ public static final String IGNITE_GET_FAILED_MISSING_KEY_MESSAGE =
"The FlowFile key attribute was missing";
--- End diff --
Shouldn't it be a key instead of a string message here?
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