Examples of com.basho.riak.client.core.query.Namespace

Package com.basho.riak.client.core.query

Examples of com.basho.riak.client.core.query.Namespace

com.basho.riak.client.core.query.Namespace
Encapsulates a Riak bucket type and bucket name.
Riak 2.0 introduced bucket types, which form a namespace in Riak when combined with a bucket name. This class encapsulates those two items for use with operations.

Buckets in Riak are automatically created for a type if they do not yet exist. Bucket types, on the other hand, are not. Anything other than the {@literal default}bucket type must be explicitly created using the {@literal riak_admin} command line tool.

Bucket types can only be in UTF-8. Bucket names have no restrictions.

Buckets in the default bucket type can not hold CRDTs (e.g. Maps, Counters, Sets, etc).
@author Brian Roach @since 2.0

    
    private void initValues(String bucketType) throws InterruptedException
    {
        // insert 200 items into a bucket
       
        Namespace ns = new Namespace(bucketType, mrBucketName);
        
        String keyPrefix = "mr_test_";
        for (int i = 0; i < 200; i++)
        {
            Location loc = new Location(ns, keyPrefix + i);

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    }
    
    private void erlangBucketMR(String bucketType) throws InterruptedException, ExecutionException
    {
        initValues(bucketType);
        Namespace ns = new Namespace(bucketType, mrBucketName);
        BucketMapReduce bmr = 
            new BucketMapReduce.Builder()
                .withNamespace(ns)
                .withMapPhase(Function.newErlangFunction("riak_kv_mapreduce", "map_object_value"), false)
                .withReducePhase(Function.newErlangFunction("riak_kv_mapreduce", "reduce_string_to_integer"), false)

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    private void JsBucketMR(String bucketType) throws InterruptedException, ExecutionException
    {
        initValues(bucketType);
        
        Namespace ns = new Namespace(bucketType, mrBucketName);
        BucketMapReduce bmr = 
            new BucketMapReduce.Builder()
                .withNamespace(ns)
                .withMapPhase(Function.newNamedJsFunction("Riak.mapValuesJson"), false)
                .withReducePhase(Function.newNamedJsFunction("Riak.reduceNumericSort"), true)

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    @Test
    public void multiPhaseResult() throws InterruptedException, ExecutionException
    {
        initValues(Namespace.DEFAULT_BUCKET_TYPE);
        
        Namespace ns = new Namespace(Namespace.DEFAULT_BUCKET_TYPE, mrBucketName);
        BucketMapReduce bmr = 
            new BucketMapReduce.Builder()
                .withNamespace(ns)
                .withMapPhase(Function.newNamedJsFunction("Riak.mapValuesJson"), true)
                .withReducePhase(Function.newNamedJsFunction("Riak.reduceNumericSort"), true)

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    @Test
    public void keyFilter() throws InterruptedException, ExecutionException
    {
        initValues(Namespace.DEFAULT_BUCKET_TYPE);
        Namespace ns = new Namespace(Namespace.DEFAULT_BUCKET_TYPE, mrBucketName);
        BucketMapReduce bmr = 
            new BucketMapReduce.Builder()
                .withNamespace(ns)
                .withMapPhase(Function.newNamedJsFunction("Riak.mapValuesJson"))
                .withReducePhase(Function.newErlangFunction("riak_kv_mapreduce", "reduce_sort"),true)

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    public void differentBucketType() throws InterruptedException, ExecutionException
    {
        Assume.assumeTrue(testBucketType);
        
        initValues(bucketType.toString());
        Namespace ns = new Namespace(bucketType.toString(), mrBucketName);
        BucketMapReduce bmr = 
            new BucketMapReduce.Builder()
                .withNamespace(ns)
                .withMapPhase(Function.newAnonymousJsFunction(
                    "function(value, keydata, arg) {" +

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    {
        Assume.assumeTrue(testBucketType);


        initValues(bucketType.toString());
        
         Namespace ns = new Namespace(bucketType.toString(), mrBucketName);
        BucketMapReduce bmr = 
            new BucketMapReduce.Builder()
                .withNamespace(ns)
                .withKeyFilter(new TokenizeFilter("_",3))
                .withKeyFilter(new StringToIntFilter())

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        }
        
        RiakCluster cluster = new RiakCluster.Builder(list).build();
        cluster.start();
        
        Namespace ns = new Namespace(Namespace.DEFAULT_BUCKET_TYPE, "test_bucket");
        Location location = new Location(ns, "test_key2");
        
        FetchOperation operation = 
            new FetchOperation.Builder(location).build();

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        RiakCluster cluster = new RiakCluster.Builder(list).build();
        
        cluster.start();
        
        Namespace ns = new Namespace(Namespace.DEFAULT_BUCKET_TYPE, "test_bucket");
        Location location = new Location(ns, "test_key2");
        
        FetchOperation operation = 
            new FetchOperation.Builder(location)
                    .build();

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    private void testSimpleStore(String bucketType) throws InterruptedException, ExecutionException
    {
        
        RiakObject obj = new RiakObject().setValue(BinaryValue.create(value));
        Namespace ns = new Namespace(bucketType, bucketName.toString());
        Location location = new Location(ns, key);
        StoreOperation storeOp = 
            new StoreOperation.Builder(location)
                .withContent(obj)
                .build();

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