I think you want the o.a.c.db.marshal.TypeParser. You can pass a CLI format composite type to the parse() func.
It's in 1.0X Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 1/09/2012, at 6:44 AM, Jeff Schmidt <j...@535consulting.com> wrote: > Hello: > > I'm using DataStax Enterprise 2.1, which is based on Cassandra 1.0.10 from > what I can tell. For my project, I perform a content build that generates a > number of SSTables using SSTableSimpleUnsortedWriter. These are loaded using > either JMX or sstableloader depending on the environment. > > I want to introduce a composite row key into some of the generated SSTables. > Also, I will be referring to these keys by using composite column names. > > I can define the desired composite time and provide it to the > SSTableSimpleUnsortedWriter constructor: > > List<AbstractType<?>> compositeList = new > ArrayList<AbstractType<?>>(); > compositeList.add(UTF8Type.instance) > compositeList.add(UTF8Type.instance) > compositeUtf8Utf8Type = CompositeType.getInstance(compositeList) > > articleWriter = new SSTableSimpleUnsortedWriter( > cassandraOutputDir, > "IngenuityContent", > "Articles", > compositeUtf8Utf8Type, > null, > 64) > > I then figured I could use compositeUtf8Utf8Type when creating composite row > keys and column names of the kind I require. Cassandra 1.1.x introduces the > CompositeType.Builder class for creating actual composite values, but that's > not available to me. I've also seen examples of using Hector's Composite to > create composite values. > > But, I need to create these values using the various classes within Cassandra > 1.0 itself to work with SSTableSimpleUnsortedWriter. For that, I'm not > finding any examples on how one does that. > > As far as I can tell, composite columns at least have been around since > Cassandra 0.8.x? Is there the support I need in Cassandra 1.0.x? > > Many thanks! > > Jeff > -- > Jeff Schmidt > 535 Consulting > j...@535consulting.com > http://www.535consulting.com > (650) 423-1068 > > > > > > > > > >
