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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NIFI-1974) Support Custom Properties in Expression Language
Date Tue, 07 Jun 2016 20:27:21 GMT

    [ https://issues.apache.org/jira/browse/NIFI-1974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319312#comment-15319312
] 

ASF GitHub Bot commented on NIFI-1974:
--------------------------------------

Github user markap14 commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/501#discussion_r66145978
  
    --- Diff: nifi-api/src/main/java/org/apache/nifi/registry/VariableRegistry.java ---
    @@ -0,0 +1,27 @@
    +/*
    + * 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.registry;
    +
    +
    +import java.util.Map;
    +
    +public interface VariableRegistry {
    --- End diff --
    
    Should add JavaDoc explaining what the Variable Registry is and what it's used for


> Support Custom Properties in Expression Language
> ------------------------------------------------
>
>                 Key: NIFI-1974
>                 URL: https://issues.apache.org/jira/browse/NIFI-1974
>             Project: Apache NiFi
>          Issue Type: New Feature
>            Reporter: Yolanda M. Davis
>            Assignee: Yolanda M. Davis
>
> Add a property in "nifi.properties" config file to allows users to specify a list of
custom properties files (containing data such as environmental specific values, or sensitive
values, etc.). The key/value pairs should be loaded upon NIFI startup and availbale to processors
for use in expression languages. 
> Optimally this will lay the groundwork for a UI driven Variable Registry.



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