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https://issues.apache.org/jira/browse/IGNITE-28767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ilya Shishkov updated IGNITE-28767:
-----------------------------------
    Description: 
As much as possible DTO's transferred in the {{DiscoveryDataBag}} 
({{DiscoveryDataPacket}}) should be transfromed to a {{Message}}.

The following DTO's implement {{Serializable}}:
# {{QueryEntity}}
# {{QueryEntityEx}}

They are transferred in the {{DiscoveryDataBag}} ({{DiscoveryDataPacket}}): 
{{QueryProposalsDataBagItem}} -> {{SchemaProposeDiscoveryMessage}} -> 
{{SchemaAbstractOperation}} -> {{SchemaAddQueryEntityOperation}}.  

Some important tips:
# Implementation of {{Serializable}} should be removed if possible. (If not 
stored somewhere in MetaStorage, or in PDS).
# If it is difficult to transform to {{Message}} or DTO belongs to the public 
API, message-clone DTO can be added, eg. {{QueryIndexMessage}}.
# Keep in mind {{#writeObject}} / {{#readObject}} and {{#readExternal}} / 
{{#writeExternal}} methods, if any.

  was:
As much as possible DTO's transferred in the {{DiscoveryDataBag}} 
({{DiscoveryDataPacket}}) should be transfromed to a {{Message}}.

The following DTO's implement {{Serializable}}:
# {{QueryEntity}}
# {{QueryEntityEx}}

They are transferred in the {{DiscoveryDataBag}} ({{DiscoveryDataPacket}}): 
{{QueryProposalsDataBagItem}} -> {{SchemaProposeDiscoveryMessage}} -> 
SchemaAbstractOperation}} -> {{SchemaAddQueryEntityOperation}}.  

Some important tips:
# Implementation of {{Serializable}} should be removed if possible. (If not 
stored somewhere in MetaStorage, or in PDS).
# If it is difficult to transform to {{Message}} or DTO belongs to the public 
API, message-clone DTO can be added, eg. {{QueryIndexMessage}}.
# Keep in mind {{#writeObject}} / {{#readObject}} and {{#readExternal}} / 
{{#writeExternal}} methods, if any.


> Use Message DTO to transfer QueryEntity
> ---------------------------------------
>
>                 Key: IGNITE-28767
>                 URL: https://issues.apache.org/jira/browse/IGNITE-28767
>             Project: Ignite
>          Issue Type: Task
>            Reporter: Ilya Shishkov
>            Assignee: Ilya Shishkov
>            Priority: Minor
>              Labels: IEP-132, ise
>             Fix For: 2.19
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> As much as possible DTO's transferred in the {{DiscoveryDataBag}} 
> ({{DiscoveryDataPacket}}) should be transfromed to a {{Message}}.
> The following DTO's implement {{Serializable}}:
> # {{QueryEntity}}
> # {{QueryEntityEx}}
> They are transferred in the {{DiscoveryDataBag}} ({{DiscoveryDataPacket}}): 
> {{QueryProposalsDataBagItem}} -> {{SchemaProposeDiscoveryMessage}} -> 
> {{SchemaAbstractOperation}} -> {{SchemaAddQueryEntityOperation}}.  
> Some important tips:
> # Implementation of {{Serializable}} should be removed if possible. (If not 
> stored somewhere in MetaStorage, or in PDS).
> # If it is difficult to transform to {{Message}} or DTO belongs to the public 
> API, message-clone DTO can be added, eg. {{QueryIndexMessage}}.
> # Keep in mind {{#writeObject}} / {{#readObject}} and {{#readExternal}} / 
> {{#writeExternal}} methods, if any.



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