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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (METRON-389) Create Java API to Read Profile Data During Model Scoring
Date Mon, 12 Sep 2016 13:15:21 GMT

    [ https://issues.apache.org/jira/browse/METRON-389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15484081#comment-15484081
] 

ASF GitHub Bot commented on METRON-389:
---------------------------------------

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

    https://github.com/apache/incubator-metron/pull/236#discussion_r78369359
  
    --- Diff: metron-analytics/metron-profiler/src/main/java/org/apache/metron/profiler/hbase/Serializer.java
---
    @@ -0,0 +1,92 @@
    +/*
    + *
    + *  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.profiler.hbase;
    +
    +import org.apache.hadoop.hbase.util.Bytes;
    +
    +/**
    + * Provides basic functionality to serialize and deserialize the allowed
    + * value types for a ProfileMeasurement.
    + */
    +public class Serializer {
    +
    +  private Serializer() {
    +    // do not instantiate
    +  }
    +
    +  /**
    +   * Serialize a profile measurement's value.
    +   *
    +   * The value produced by a Profile definition can be any numeric data type.  The data
    +   * type depends on how the profile is defined by the user.  The user should be able
to
    +   * choose the data type that is most suitable for their use case.
    +   *
    +   * @param value The value to serialize.
    +   */
    +  public static byte[] toBytes(Object value) {
    --- End diff --
    
    If we are restricting to numeric data, why not have toBytes take a Number argument as
opposed to Object?


> Create Java API to Read Profile Data During Model Scoring
> ---------------------------------------------------------
>
>                 Key: METRON-389
>                 URL: https://issues.apache.org/jira/browse/METRON-389
>             Project: Metron
>          Issue Type: Improvement
>            Reporter: Nick Allen
>            Assignee: Nick Allen
>              Labels: profiler
>
> Functionality already exists to create Profiles in HBase.  A Java API is needed to read
existing Profile data from HBase.  The API should be optimized for use when scoring models.



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