[jira] [Created] (FLINK-7150) Code improvements to the ElasticSearch connector

[Shang Yuanchun (Jira)]

Stephan Ewen created FLINK-7150:
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             Summary: Code improvements to the ElasticSearch connector
                 Key: FLINK-7150
                 URL: https://issues.apache.org/jira/browse/FLINK-7150
             Project: Flink
          Issue Type: Improvement
          Components: ElasticSearch Connector
    Affects Versions: 1.3.1
            Reporter: Stephan Ewen
            Assignee: Stephan Ewen
             Fix For: 1.4.0


I suggest some improvements to the handling of generic types, inner classes, and serializability:

  - Remove Serializable from the {{RequestIndexer}}, because they are neither required to be serializable (they are created in open()) nor is the main implementation ({{BulkProcessorIndexer}}) actually serializable.

  - Make {{BulkFlushBackoffPolicy}} a static inner class, which avoids adding outer class during serialization and clears various warnings about raw reference to outer class

  - Fixe various raw generic type warnings for the use of {{ActionRequest}}



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