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https://issues.apache.org/jira/browse/AVRO-336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Doug Cutting reassigned AVRO-336:
---------------------------------
Assignee: Doug Cutting
> Equals() on SpecificRecord fails (java)
> ---------------------------------------
>
> Key: AVRO-336
> URL: https://issues.apache.org/jira/browse/AVRO-336
> Project: Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.3.0
> Reporter: Scott Carey
> Assignee: Doug Cutting
> Fix For: 1.3.0
>
> Attachments: AVRO-336.patch
>
>
> rev 899520, trunk.
> Calling equals() on an object generated by the SpecificAPI fails.
> The object is a record with several fields, one is an array. This object can
> serialize and deserialize, binary and json. But equals() fails, as well as
> hashCode() in some cases.
> It fails in Schema.java, line 217.
> {code}
> /** If this is an array, returns its element type. */
> public Schema getElementType() {
> throw new AvroRuntimeException("Not an array: "+this);
> }
> {code}
> This looks unimplemented.
> The stack trace is:
> {noformat}
> Exception in thread "main" org.apache.avro.AvroRuntimeException: Not an
> array:
> {"type":"record","name":"Variable","namespace":"com.rr.avro","fields":[{"name":"variableId","type":"int"},{"name":"selectedValue","type":"string"}]}
> at org.apache.avro.Schema.getElementType(Schema.java:217)
> at org.apache.avro.generic.GenericData.compare(GenericData.java:468)
> at org.apache.avro.specific.SpecificData.compare(SpecificData.java:250)
> at org.apache.avro.specific.SpecificData.compare(SpecificData.java:242)
> at
> org.apache.avro.specific.SpecificRecordBase.compareTo(SpecificRecordBase.java:45)
> at
> org.apache.avro.specific.SpecificRecordBase.equals(SpecificRecordBase.java:35)
> {noformat}
> That record is the element type of the array, so I think this is just due to
> the implementation being incomplete.
> The specific compiler could also generate equals() methods (which would be
> more efficient than traversing the schema). I wonder if eclipse's "generate
> hashcode and equals" code is usable.
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