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From justinleet <...@git.apache.org>
Subject [GitHub] incubator-metron pull request #421: METRON-283 Migrate Geo Enrichment outsid...
Date Wed, 25 Jan 2017 16:28:23 GMT
Github user justinleet commented on a diff in the pull request:

    https://github.com/apache/incubator-metron/pull/421#discussion_r97818189
  
    --- Diff: metron-platform/metron-enrichment/src/main/java/org/apache/metron/enrichment/stellar/GeoEnrichmentFunctions.java
---
    @@ -0,0 +1,110 @@
    +/*
    + * 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.metron.enrichment.stellar;
    +
    +import org.apache.log4j.Logger;
    +import org.apache.metron.common.dsl.Context;
    +import org.apache.metron.common.dsl.ParseException;
    +import org.apache.metron.common.dsl.Stellar;
    +import org.apache.metron.common.dsl.StellarFunction;
    +import org.apache.metron.enrichment.adapters.geo.GeoLiteDatabase;
    +
    +import java.util.HashMap;
    +import java.util.List;
    +import java.util.Map;
    +import java.util.Optional;
    +
    +public class GeoEnrichmentFunctions {
    +  private static final Logger LOG = Logger.getLogger(GeoEnrichmentFunctions.class);
    +
    +  @Stellar(name="GET"
    +          ,namespace="GEO"
    +          ,description="Look up an IPV4 address and returns geographic information about
it"
    +          ,params = {
    +                      "ip - The IPV4 address to lookup" +
    +                      "fields - Optional list of GeoIP fields to grab. Options are locID,
country, city, postalCode, dmaCode, latitude, longitude, location_point"
    +                    }
    +          ,returns = "If a Single field is requested a string of the field, If multiple
fields a map of string of the fields, and null otherwise"
    +  )
    +  public static class GeoGet implements StellarFunction {
    +    boolean initialized = false;
    +
    +    @Override
    +    public Object apply(List<Object> args, Context context) throws ParseException
{
    +      if(!initialized) {
    +        return null;
    +      }
    +      if(args.size() > 2) {
    +        return null;
    --- End diff --
    
    Is there a well defined expectation for what happens in cases like this?  I don't think
I've seen anything, and on reflection I'm pretty sure I just based that off what other functions
did.
    
    @cestella Can you shed some light on what perceptions/expectations exist for this case?
 Or shame my reading comprehension by pointing me to where we have them documented, if we
do?


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