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From "Denis Magda (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-4558) Use BinaryArrayIdentityResolver by default
Date Thu, 19 Jan 2017 02:30:27 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-4558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Denis Magda updated IGNITE-4558:
--------------------------------
    Description: 
Currently if there is no configured {{BinaryTypeConfiguration.IdentityResolver}}, we call
Object.hashCode().

This is not consistent with DML, and there is a warning:
{code}
Binary object's type does not have identity resolver explicitly set, therefore BinaryArrayIdentityResolver
is used to generate hash codes for its instances, and therefore hash code of this binary object
will most likely not match that of its non serialized form. For finer control over identity
of this type, please update your BinaryConfiguration accordingly.
{code}

In 2.0 we should use {{BinaryArrayIdentityResolver}} by default.

2.0 migration guide has to be updated if needed: https://cwiki.apache.org/confluence/display/IGNITE/Apache+Ignite+2.0+Migration+Guide

  was:
Currently if there is no configured {{BinaryTypeConfiguration.IdentityResolver}}, we call
Object.hashCode().

This is not consistent with DML, and there is a warning:
{code}
Binary object's type does not have identity resolver explicitly set, therefore BinaryArrayIdentityResolver
is used to generate hash codes for its instances, and therefore hash code of this binary object
will most likely not match that of its non serialized form. For finer control over identity
of this type, please update your BinaryConfiguration accordingly.
{code}

In 2.0 we should use {{BinaryArrayIdentityResolver}} by default.


> Use BinaryArrayIdentityResolver by default
> ------------------------------------------
>
>                 Key: IGNITE-4558
>                 URL: https://issues.apache.org/jira/browse/IGNITE-4558
>             Project: Ignite
>          Issue Type: Improvement
>          Components: binary
>            Reporter: Pavel Tupitsyn
>            Priority: Critical
>             Fix For: 2.0
>
>
> Currently if there is no configured {{BinaryTypeConfiguration.IdentityResolver}}, we
call Object.hashCode().
> This is not consistent with DML, and there is a warning:
> {code}
> Binary object's type does not have identity resolver explicitly set, therefore BinaryArrayIdentityResolver
is used to generate hash codes for its instances, and therefore hash code of this binary object
will most likely not match that of its non serialized form. For finer control over identity
of this type, please update your BinaryConfiguration accordingly.
> {code}
> In 2.0 we should use {{BinaryArrayIdentityResolver}} by default.
> 2.0 migration guide has to be updated if needed: https://cwiki.apache.org/confluence/display/IGNITE/Apache+Ignite+2.0+Migration+Guide



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