Hmm, I have a similar requirement. However, when looking at the API I cannot
see these classes: Get and Result. Are these 0.20.0 classes? If so, what
would be the equivalent for 0.19.3?
Thanks,
Ishaaq
Jonathan Gray-2 wrote:
>
> Fleming,
>
> Of course there is!
>
> Look at some of the different methods in Result that return various Maps
> in different format. For your example, you might do:
>
> =======
>
> HTable table = new HTable("Table1");
> Get g = new Get(Bytes.toBytes("Key1"));
> Result r = table.get(g);
>
> // Get a Map<qualifier,value> for Family
>
> Map<byte[],byte[]> family = r.getFamilyMap(Bytes.toBytes("Family"));
>
> // You can get a value knowing the qualifier
>
> byte [] value1 = family.get(Bytes.toBytes("qualifier1"));
>
> // Or you can just iterate all the qualifiers and values
>
> for(Map.Entry<byte[],byte[]> entry : family.entrySet()) {
> byte [] qualifier = entry.getKey();
> byte [] value = entry.getValue();
> }
>
> =======
>
> All the maps that are returned by Result are NavigableMaps, so they are
> sorted and allow a number of operations on them.
>
> Hope that helps.
>
> JG
>
> [email protected] wrote:
>> Hi there,
>>
>> I have a table "Table1" with one Family and 10 qualifier.
>> Any ways that I can get these qualifier's name in Table1,
>> then I can loop qualifier collection to fetch each qualifier's value.
>> Thank you
>>
>> Fleming
>>
>> ====================================================================================
>>
>> HTable table = new HTable(config, "Table1");
>> Get g = new Get(Bytes.toBytes("Key1"));
>> Result r = table.get(g);
>> byte [] value1 = r.getValue(Bytes.toBytes("Family"),
>> Bytes.toBytes("qualifier1"));
>> String valueStr1 = Bytes.toString(value1);
>> byte [] value2 = r.getValue(Bytes.toBytes("Family"),
>> Bytes.toBytes("qualifier2"));
>> String valueStr2 = Bytes.toString(value2);
>> .
>> .
>> .
>>
>> byte [] value10 = r.getValue(Bytes.toBytes("Family"),
>> Bytes.toBytes("qualifier10"));
>> String valueStr10 = Bytes.toString(value10);
>>
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>
>
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