lanking520 commented on a change in pull request #11239: [MXNET-319] Javadoc fix
URL: https://github.com/apache/incubator-mxnet/pull/11239#discussion_r196165945
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File path: scala-package/core/src/main/scala/org/apache/mxnet/FILEHASH
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@@ -0,0 +1,4 @@
+309G_O39xojNEt3DXVWNDQ
Review comment:
Good question. The hashfile contains the signature files that on Scala
package not uploaded here. It follows the following format:
```Scala
abstract class SymbolAPIBase {
/**
* Comments
*/
def Activation(...Args...) : Symbol
}
```
I used md5 hash in here:
```
def MD5Generator(input : String) : String = {
val md = MessageDigest.getInstance("MD5")
md.update(input.getBytes("UTF-8"))
val digest = md.digest()
org.apache.commons.codec.binary.Base64.encodeBase64URLSafeString(digest)
}
```
It basically take the Generated string into hash and store in this file. It
should be the same across the different platform. The reason to do is is to
avoid operator changes in Symbol and NDArray. One example, if one contributor
changed the operators in NDArray and Symbol, he/she should comment the
`require` line explained before in Scala package and update this file and also
tag Scala Contributors to let them know there is a change in operator so we can
determine if this will influence the user experience on Scala.
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