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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NIFI-5537) Create Neo4J cypher execution processor
Date Sat, 15 Sep 2018 15:07:00 GMT

    [ https://issues.apache.org/jira/browse/NIFI-5537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16616347#comment-16616347
] 

ASF GitHub Bot commented on NIFI-5537:
--------------------------------------

Github user mans2singh commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/2956#discussion_r217887154
  
    --- Diff: nifi-nar-bundles/nifi-neo4j-bundle/nifi-neo4j-processors/src/main/java/org/apache/nifi/processors/neo4j/AbstractNeo4JCypherExecutor.java
---
    @@ -0,0 +1,279 @@
    +/*
    + * 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.neo4j;
    +
    +import java.io.File;
    +import java.util.concurrent.TimeUnit;
    +
    +import org.apache.commons.lang3.StringUtils;
    +import org.apache.nifi.annotation.lifecycle.OnScheduled;
    +import org.apache.nifi.annotation.lifecycle.OnStopped;
    +import org.apache.nifi.components.AllowableValue;
    +import org.apache.nifi.components.PropertyDescriptor;
    +import org.apache.nifi.components.PropertyValue;
    +import org.apache.nifi.expression.ExpressionLanguageScope;
    +import org.apache.nifi.processor.AbstractProcessor;
    +import org.apache.nifi.processor.ProcessContext;
    +import org.apache.nifi.processor.Relationship;
    +import org.apache.nifi.processor.util.StandardValidators;
    +import org.neo4j.driver.v1.AuthTokens;
    +import org.neo4j.driver.v1.Config;
    +import org.neo4j.driver.v1.Config.ConfigBuilder;
    +import org.neo4j.driver.v1.Config.LoadBalancingStrategy;
    +import org.neo4j.driver.v1.Config.TrustStrategy;
    +import org.neo4j.driver.v1.Driver;
    +import org.neo4j.driver.v1.GraphDatabase;
    +
    +/**
    + * Abstract base class for Neo4JCypherExecutor processors
    + */
    +abstract class AbstractNeo4JCypherExecutor extends AbstractProcessor {
    +
    +    protected static final PropertyDescriptor QUERY = new PropertyDescriptor.Builder()
    +            .name("neo4J-query")
    +            .displayName("Neo4J Query")
    +            .description("Specifies the Neo4j Query.")
    +            .required(true)
    +            .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
    +            .addValidator(StandardValidators.NON_BLANK_VALIDATOR)
    +            .build();
    +
    +    public static final PropertyDescriptor CONNECTION_URL = new PropertyDescriptor.Builder()
    --- End diff --
    
    @MikeThomsen - Just wanted to get some clarifications - Currently, the abstract base class
has the code for getting the client.  Should I move that to a controller class ?  If you have
any additional pointers, please let know.  


> Create Neo4J cypher execution processor
> ---------------------------------------
>
>                 Key: NIFI-5537
>                 URL: https://issues.apache.org/jira/browse/NIFI-5537
>             Project: Apache NiFi
>          Issue Type: New Feature
>          Components: Extensions
>    Affects Versions: 1.7.1
>         Environment: All
>            Reporter: Mans Singh
>            Assignee: Mans Singh
>            Priority: Minor
>              Labels: graph, neo4j, node, relationship
>             Fix For: 1.8.0
>
>
> Create Nifi Neo4J cypher queries processor



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