Java ViewQuery类代码示例

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
@Override
public List<RegisteredService> load() {
    try {
        logger.debug("Loading services");

        final Bucket bucket = couchbase.bucket();
        final ViewResult allKeys = bucket.query(ViewQuery.from(UTIL_DOCUMENT, ALL_SERVICES_VIEW.name()));
        final List<RegisteredService> services = new LinkedList<>();
        for (final ViewRow row : allKeys) {

            final RawJsonDocument document = row.document(RawJsonDocument.class);
            if (document != null) {
                final String json = document.content();
                logger.debug("Found service: {}", json);

                final StringReader stringReader = new StringReader(json);
                services.add(registeredServiceJsonSerializer.fromJson(stringReader));
            }
        }
        return services;
    } catch (final RuntimeException e) {
        logger.error(e.getMessage(), e);
        return new LinkedList<>();
    }
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
@Test
public void shouldQueryView() throws IOException {
  final BucketManager bucketManager = bucket.bucketManager();
  final View view =
      DefaultView.create("byFirstname",
          IOUtils.toString(getClass().getResourceAsStream("/byfirstname.js")));
  final DesignDocument document = DesignDocument.create("person", ImmutableList.of(view));
  try {
    bucketManager.upsertDesignDocument(document);

    repository.save(person);
    final ViewQuery query = ViewQuery.from(document.name(), view.name());
    query.stale(Stale.FALSE);
    query.debug();
    query.key(person.getFirstname());

    final Iterable<Person> found = repository.queryView(query);
    assertEquals(ImmutableList.of(person), found);
  } finally {
    bucketManager.removeDesignDocument(document.name());
  }
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
private Observable<String> getAllKeys() {
    String[] viewInfo = checkAndGetViewInfo();

    return bucket.async()
                 .query(ViewQuery.from(viewInfo[0], viewInfo[1]))
                 .flatMap(new Func1<AsyncViewResult, Observable<AsyncViewRow>>() {
                     @Override
                     public Observable<AsyncViewRow> call(AsyncViewResult asyncViewResult) {
                         return asyncViewResult.rows();
                     }
                 })
                 .map(new Func1<AsyncViewRow, String>() {
                     @Override
                     public String call(AsyncViewRow asyncViewRow) {
                         return asyncViewRow.id();
                     }
                 });
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
private int runQuery(final String prefix) {
    final ViewResult allKeys = couchbase.bucket().query(
            ViewQuery.from(UTIL_DOCUMENT, "all_tickets")
                    .startKey(prefix)
                    .endKey(prefix + END_TOKEN)
                    .reduce());
    final Iterator<ViewRow> iterator = allKeys.iterator();
    if (iterator.hasNext()) {
        final ViewRow res = iterator.next();
        return (Integer) res.value();
    } else {
        return 0;
    }
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
private ViewResult getViewResultIteratorForPrefixedTickets(final String prefix) {
    LOGGER.debug("Running query on document [{}] and view [{}] with prefix [{}]",
            UTIL_DOCUMENT, VIEW_NAME_ALL_TICKETS, prefix);
    return this.couchbase.bucket().query(
            ViewQuery.from(UTIL_DOCUMENT, VIEW_NAME_ALL_TICKETS)
                    .startKey(prefix)
                    .endKey(prefix + END_TOKEN)
                    .reduce());
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
@Override
public Observable<Song> getSongByArtistAsync(String query) {
    return bucket
            .async()
            .query(ViewQuery.from("song", "artist").startKey(query).endKey(query + "zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"))
            .limit(100)
            .flatMap(AsyncViewResult::rows)
            .map(r -> Song.createFromJson(r.value().toString()));
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
@Override
public Observable<T> queryView(final ViewQuery query) {
  return Observable.just(query)
    .flatMap(bucket::query)
    .flatMap(AsyncViewResult::rows)
    .flatMap(row -> row.document(RawJsonDocument.class))
    .map(deserializer)
    .timeout(timeout, unit);
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
@Override
public ViewQuery newQuery(final String designDoc, final String view) {
  final ViewQuery query = ViewQuery.from(designDoc, view);
  query.debug(debug);
  query.stale(stale);
  return query;
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
@SuppressWarnings("unchecked")
@Test
public void viewQuery() throws Exception {
  String gid = "id";
  Object entity = new Object() {
    String id = gid;

    @Override
    public String toString() {
      return id;
    }
  };

  new MockUnit(AsyncDatastore.class, ViewQuery.class)
      .expect(unit -> {
        AsyncDatastore store = unit.get(AsyncDatastore.class);
        expect(store.query(unit.get(ViewQuery.class)))
            .andReturn(just(
                new AsyncDatastore.AsyncViewQueryResult<Object>(10,
                    just(Arrays.asList(entity)))));
      })
      .run(unit -> {
        ViewQueryResult<Object> result = new DatastoreImpl(unit.get(AsyncDatastore.class))
            .query(unit.get(ViewQuery.class));
        assertEquals(Arrays.asList(entity), result.getRows());
        assertEquals(10, result.getTotalRows());
      });
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
private ViewResult executeViewQueryForAllServices() {
    return this.couchbase.bucket().query(ViewQuery.from(UTIL_DOCUMENT, ALL_SERVICES_VIEW.name()));
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
@Override
public List<T> queryView(final ViewQuery query) {
  return blocking(async.queryView(query).toList()).single();
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
@Override
public Observable<T> findAll() {
  final ViewQuery query = queries.newQuery(clazz.getSimpleName().toLowerCase(), "all");
  query.reduce(false);
  return queryView(query);
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
@Test
public void shouldReturnQuery() {
  final SpringQueryService service = new SpringQueryService(true, Stale.TRUE);
  final ViewQuery newQuery = service.newQuery("designDoc", "view");
  assertNotNull(newQuery);
}
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
/**
 * Query a database view.
 * 
 * @param query query to execute
 * @return an {@link Observable} which emits the results
 */
Observable<T> queryView(ViewQuery query);
 

import com.couchbase.client.java.view.ViewQuery; //导入依赖的package包/类
/**
 * Query view.
 * 
 * @param query query to execute
 * @return entities found
 */
List<T> queryView(ViewQuery query);