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https://issues.apache.org/jira/browse/NIFI-5229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16491485#comment-16491485
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ASF GitHub Bot commented on NIFI-5229:
--------------------------------------

Github user mattyb149 commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/2735#discussion_r191038329
  
    --- Diff: 
nifi-nar-bundles/nifi-standard-services/nifi-dbcp-service-bundle/nifi-dbcp-service/src/test/java/org/apache/nifi/dbcp/TestDBCPConnectionPoolLookup.java
 ---
    @@ -0,0 +1,182 @@
    +/*
    + * 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.dbcp;
    +
    +import org.apache.nifi.controller.AbstractControllerService;
    +import org.apache.nifi.processor.exception.ProcessException;
    +import org.apache.nifi.reporting.InitializationException;
    +import org.apache.nifi.util.TestRunner;
    +import org.apache.nifi.util.TestRunners;
    +import org.junit.Before;
    +import org.junit.Test;
    +
    +import java.sql.Connection;
    +import java.util.HashMap;
    +import java.util.Map;
    +
    +import static org.junit.Assert.assertEquals;
    +import static org.junit.Assert.assertNotNull;
    +import static org.junit.Assert.assertTrue;
    +import static org.mockito.Mockito.mock;
    +import static org.mockito.Mockito.when;
    +
    +public class TestDBCPConnectionPoolLookup {
    --- End diff --
    
    Same comment on naming but IDEs might take care of it :)


> Implement a DBCPConnectionPool that dynamically selects a connection pool
> -------------------------------------------------------------------------
>
>                 Key: NIFI-5229
>                 URL: https://issues.apache.org/jira/browse/NIFI-5229
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Bryan Bende
>            Priority: Major
>             Fix For: 1.7.0
>
>
> In NIFI-5121 we modified the DBCPConnectionPool interface to allow passing a 
> map of attributes (https://issues.apache.org/jira/browse/NIFI-5121).
> We should implement a DBCPConnectionPool that lets you register multiple 
> other connection pools via dynamic properties, and then selects one based on 
> looking for an incoming attribute.
> For example, lets say you create two regular connection pools A and B, then 
> in the new connection pool you would register:
> a = pool1
> b = pool2
> and then the new connection pool will look in the attribute map for an 
> attribute like "database.id" and select the pool with the given id.



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