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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NIFI-4345) Add a controller service and a lookup service for MongoDB
Date Mon, 11 Sep 2017 14:17:00 GMT

    [ https://issues.apache.org/jira/browse/NIFI-4345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16161324#comment-16161324
] 

ASF GitHub Bot commented on NIFI-4345:
--------------------------------------

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

    https://github.com/apache/nifi/pull/2123#discussion_r138080250
  
    --- Diff: nifi-nar-bundles/nifi-standard-services/nifi-mongodb-services-bundle/nifi-mongodb-services/src/main/java/org/apache/nifi/mongodb/MongoDBLookupService.java
---
    @@ -0,0 +1,116 @@
    +/*
    + * 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.mongodb;
    +
    +import org.apache.nifi.annotation.documentation.CapabilityDescription;
    +import org.apache.nifi.annotation.documentation.Tags;
    +import org.apache.nifi.annotation.lifecycle.OnEnabled;
    +import org.apache.nifi.components.PropertyDescriptor;
    +import org.apache.nifi.controller.ConfigurationContext;
    +import org.apache.nifi.controller.ControllerServiceInitializationContext;
    +import org.apache.nifi.lookup.LookupFailureException;
    +import org.apache.nifi.lookup.LookupService;
    +import org.apache.nifi.processor.util.StandardValidators;
    +import org.apache.nifi.reporting.InitializationException;
    +import org.bson.Document;
    +import org.codehaus.jackson.map.ObjectMapper;
    +
    +import java.io.IOException;
    +import java.util.ArrayList;
    +import java.util.Collections;
    +import java.util.List;
    +import java.util.Map;
    +import java.util.Optional;
    +import java.util.Set;
    +
    +
    +@Tags({"mongo", "mongodb", "lookup", "record"})
    +@CapabilityDescription(
    +    "Provides lookup service functionality through a configured connection to MongoDB.
" +
    +    "One or more keys must defined in LookupRecord in order for it to run. Each value
" +
    +    "must correspond to a full field value in the Mongo collection, as this does not
support " +
    +    "regular expressions and other features."
    +)
    +public class MongoDBLookupService extends MongoDBControllerService implements LookupService
{
    --- End diff --
    
    This should be indicating the generic return type for LookupService (i.e., `LookupService<Object>`)


> Add a controller service and a lookup service for MongoDB
> ---------------------------------------------------------
>
>                 Key: NIFI-4345
>                 URL: https://issues.apache.org/jira/browse/NIFI-4345
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Mike Thomsen
>
> - Create a Controller Service that wraps the functionality of the Mongo driver.
> - Create a lookup service that can return elements based on a query.



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