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From "Gary Dusbabek (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-2262) use o.a.c.marshal.*Type for CQL
Date Tue, 08 Mar 2011 21:04:59 GMT


Gary Dusbabek commented on CASSANDRA-2262:

bq. 0006 expands TimeUUIDType.fromString to support parsing all of the CQL supported formats.
This looks good, but deserves a unit test.

> use o.a.c.marshal.*Type for CQL 
> --------------------------------
>                 Key: CASSANDRA-2262
>                 URL:
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: API
>    Affects Versions: 0.8
>            Reporter: Eric Evans
>            Assignee: Gary Dusbabek
>            Priority: Minor
>             Fix For: 0.8
>         Attachments: v3-0001-CASSANDRA-2262-test-shows-no-roundtrip-in-BytesType.txt,
v3-0002-BytesType.fromString-expects-a-hex-string.txt, v3-0003-compose-method-for-AbstractTypes.txt,
v3-0004-assume-utf8-in-CliTest-keys-dammit.txt, v3-0005-AbstractType.fromString-throws-MarshalException.txt,
v3-0006-expand-fromString-parsing-of-TimeUUIDType.txt, v3-0007-catch-MarshalException-raise-RuntimeException.txt,
v3-0008-remove-Override-annotations.txt, v5-0001-test-shows-no-roundtrip-in-BytesType.txt,
v5-0002-BytesType.fromString-expects-a-hex-string.txt, v5-0003-compose-method-for-AbstractTypes.txt,
v5-0004-assume-utf8-in-CliTest-keys-dammit.txt, v5-0005-AbstractType.fromString-throws-MarshalException.txt,
v5-0006-expand-fromString-parsing-of-TimeUUIDType.txt, v5-0007-catch-MarshalException-raise-RuntimeException.txt
>   Original Estimate: 0h
>  Remaining Estimate: 0h
> Presently, {{o.a.c.cql.Term.getByteBuffer}} manage's the conversion from a parsed term
to a {{ByteBuffer}} of the right contents, this should be moved into the individual {{AbstractType}}
subclasses (aka {{AbstractType.fromString}}).
> Additionally, a method that does the inverse (returning the string equivalent), needs
to exists such that {{AbstractType.getString(AbstractType.fromString(s)) == s}}
> Finally, for use in results decoding a method should exist that given a {{ByteBuffer}}
will return the appropriate object for that type.  For example, {{IntegerType.compose(ByteBuffer)
-> java.math.BigInteger}}, or {{LexicalUUIDType.compose(ByteBuffer) -> java.util.UUID}}.

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