Examples of com.basho.riak.client.api.commands.kv.FetchValue

Package com.basho.riak.client.api.commands.kv

Examples of com.basho.riak.client.api.commands.kv.FetchValue

com.basho.riak.client.api.commands.kv.FetchValue
Command used to fetch a value from Riak.
Fetching an object from Riak is a simple matter of supplying a {@link com.basho.riak.client.query.Location}and executing the FetchValue operation.
```
 Location loc = new Location("my_bucket").setKey("my_key"); FetchValue fv = new FetchValue.Builder(loc).build(); FetchValue.Response response = client.execute(fv); RiakObject obj = response.getValue(RiakObject.class); 
```
All operations including FetchValue can called async as well.
```
 ... {@literal RiakFuture} future = client.execute(sv);... future.await(); if (future.isSuccess) {  ...  } 
```
ORM features are also provided when retrieving the results from the response. By default, JSON serialization / deserializtion is used. For example, if the value stored in Riak was JSON and mapped to your class {@code MyPojo}:
```
 ... MyPojo mp = response.getValue(MyPojo.class); ... 
```
@author Dave Rusek @since 2.0 @see Response

                new StoreValue.Builder(pojo).withLocation(loc).build();
            
            StoreValue.Response resp = client.execute(sv);
            
            
            FetchValue fv = new FetchValue.Builder(loc).build();
            FetchValue.Response fResp = client.execute(fv);
            
            assertEquals(pojo.value, fResp.getValue(Pojo.class).value);
            
            RiakObject ro = fResp.getValue(RiakObject.class);

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    private void notFound(String bucketType) throws ExecutionException, InterruptedException
    {
        RiakClient client = new RiakClient(cluster);
        Namespace ns = new Namespace(bucketType, bucketName.toString());
        Location loc = new Location(ns, "test_fetch_key2");
        FetchValue fv = new FetchValue.Builder(loc).build();
        FetchValue.Response fResp = client.execute(fv);
        
        assertFalse(fResp.hasValues());
        assertTrue(fResp.isNotFound());
        assertNull(fResp.getValue(Pojo.class));

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        resetAndEmptyBucket(bucketName);
        
        client.execute(sv);
        
        FetchValue fv = new FetchValue.Builder(loc)
                            .withOption(Option.DELETED_VCLOCK, false)
                            .build(); 
        
        FetchValue.Response fResp = client.execute(fv);

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        client.execute(sv);
        
        ConflictResolverFactory.getInstance()
            .registerConflictResolver(Pojo.class, new MyResolver());
        
        FetchValue fv = new FetchValue.Builder(loc).build(); 
        
        FetchValue.Response fResp = client.execute(fv);
         
        assertEquals(pojo.value, fResp.getValue(Pojo.class).value);

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                        .setContentType("application/json");
        
        StoreValue sv = new StoreValue.Builder(ro).withLocation(loc).build();
        client.execute(sv);
        
        FetchValue fv = new FetchValue.Builder(loc).build(); 
        FetchValue.Response resp = client.execute(fv);
        
        RiakAnnotatedPojo rap = resp.getValue(RiakAnnotatedPojo.class);
        
        assertNotNull(rap.bucketName);

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        ro.getIndexes().getIndex(LongIntIndex.named("user_id")).add(1L);
        
        StoreValue sv = new StoreValue.Builder(ro).withLocation(loc).build();
        client.execute(sv);
        
        FetchValue fv = new FetchValue.Builder(loc).build(); 
        FetchValue.Response resp = client.execute(fv);
        
        RiakAnnotatedPojo rap = resp.getValue(RiakAnnotatedPojo.class);
        
        assertNotNull(rap.emailIndx);

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                .withLocation(loc)
                .build();
        
        client.execute(sv);
            
        FetchValue fv = new FetchValue.Builder(loc).build();
        FetchValue.Response resp = client.execute(fv);
        
        TypeReference<GenericPojo<Foo>> tr = 
            new TypeReference<GenericPojo<Foo>>(){};
        GenericPojo<Foo> gpf2 = resp.getValue(tr);

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        Pojo pojo2 = resp.getValue(Pojo.class);
        
        assertEquals(pojo.value, pojo2.value);
        
        FetchValue fv = new FetchValue.Builder(loc)
                            .build(); 
        
        FetchValue.Response fResp = client.execute(fv);
        
        assertEquals(pojo.value, fResp.getValue(Pojo.class).value);

View Full Code Here

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Related Classes of com.basho.riak.client.api.commands.kv.FetchValue

com.basho.riak.client.api.cap.VClock

com.basho.riak.client.api.commands.itest.ITestFetchValue

com.basho.riak.client.api.commands.itest.ITestORM

com.basho.riak.client.api.commands.itest.ITestStoreValue

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