[jira] [Resolved] (IGNITE-2852) Support of Comparable interface for BinaryObject

["Vladimir Ozerov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-2852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov resolved IGNITE-2852.
-------------------------------------
    Resolution: Fixed

Fixed by adding special wrappers for these types.

> Support of Comparable interface for BinaryObject
> ------------------------------------------------
>
>                 Key: IGNITE-2852
>                 URL: https://issues.apache.org/jira/browse/IGNITE-2852
>             Project: Ignite
>          Issue Type: Bug
>          Components: binary
>    Affects Versions: 1.5.0.final
>            Reporter: Valentin Kulichenko
>            Assignee: Vladimir Ozerov
>             Fix For: 1.8
>
>
> When trying to convert {{TreeMap}} into binary object using {{toBinary}} method, the following exception fails:
> {noformat}
> Exception in thread "main" java.lang.ClassCastException: org.apache.ignite.internal.binary.BinaryObjectImpl cannot be cast to java.lang.Comparable
> 	at java.util.TreeMap.compare(TreeMap.java:1188)
> 	at java.util.TreeMap.put(TreeMap.java:531)
> 	at org.apache.ignite.internal.processors.cache.binary.CacheObjectBinaryProcessorImpl.marshalToBinary(CacheObjectBinaryProcessorImpl.java:495)
> 	at org.apache.ignite.internal.processors.cache.binary.IgniteBinaryImpl.toBinary(IgniteBinaryImpl.java:67)
> 	at TreeMapTest.main(TreeMapTest.java:15)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
> {noformat}
> This happens because maps are not wrapped into binary objects, therefore we create another {{TreeMap}} and put {{BinaryObject}} instances, which are not {{Comparable}}.



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