org.apache.usergrid.persistence.Query.setLimit()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中org.apache.usergrid.persistence.Query.setLimit方法的一些代码示例,展示了Query.setLimit的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Query.setLimit方法的具体详情如下:
包路径:org.apache.usergrid.persistence.Query
类名称:Query
方法名:setLimit

Query.setLimit介绍

暂无

代码示例

代码示例来源:origin: apache/usergrid

public Query withLimit( int limit ) {
  setLimit( limit );
  return this;
}

代码示例来源:origin: apache/usergrid

@Override
public Results getCollection( String collectionName, UUID startResult, int count, Level resultsLevel,
               boolean reversed ) throws Exception {
  final String ql;
  if (startResult != null ) {
    // UUID timestamp is a different measure than 'created' field on entities
    Calendar uuidEpoch = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
    uuidEpoch.clear();
    uuidEpoch.set(1582, 9, 15, 0, 0, 0); // 9 = October
    long epochMillis = uuidEpoch.getTime().getTime();
    long time = (startResult.timestamp() / 10000L) + epochMillis;
    if ( !reversed ) {
      ql = "select * where created > " + time;
    } else {
      ql = "select * where created < " + time;
    }
  } else {
    ql = "select *";
  }
  Query query = Query.fromQL( ql );
  if(query == null ){
    throw new RuntimeException("Unable to get data for collection: "+collectionName);
  }
  query.setLimit( count );
  query.setReversed( reversed );
  return searchCollection( collectionName, query );
}

代码示例来源:origin: apache/usergrid

private int getConnectionCount(final Import importRoot) {

    try {

      EntityManager rootEM = emf.getEntityManager(emf.getManagementAppId());
      Query query = Query.fromQL("select *");
      query.setEntityType("file_import");
      query.setConnectionType(IMPORT_FILE_INCLUDES_CONNECTION);
      query.setLimit(MAX_FILE_IMPORTS);

      // TODO, this won't work with more than 100 files
      Results entities = rootEM.searchTargetEntities(importRoot, query);
      return entities.size();

      // see ImportConnectsTest()
//            Results entities = rootEM.getTargetEntities(
//              importRoot, "includes", null, Level.ALL_PROPERTIES );
//            PagingResultsIterator itr = new PagingResultsIterator( entities );
//            int count = 0;
//            while ( itr.hasNext() ) {
//                itr.next();
//                count++;
//            }
//            return count;
    } catch (Exception e) {
      logger.error("application doesn't exist within the current context");
      throw new RuntimeException(e);
    }
  }

代码示例来源:origin: apache/usergrid

protected void singleOrderByNoIntersection( IoHelper io ) throws Exception {
  io.doSetup();
  int size = 20;
  int queryLimit = Query.MAX_LIMIT;
  // the number of entities that should be written including an intersection
  int secondIncrement = 9;
  long start = System.currentTimeMillis();
  logger.info( "Writing {} entities.", size );
  for ( int i = 0; i < size; i++ ) {
    Map<String, Object> entity = new HashMap<String, Object>();
    entity.put( "name", String.valueOf( i ) );
    // if we hit the increment, set this to true
    entity.put( "intersect", false );
    entity.put( "intersect2", i % secondIncrement == 0 );
    io.writeEntity( entity );
  }
  long stop = System.currentTimeMillis();
  logger.info( "Writes took {} ms", stop - start );
  Query query = Query.fromQL( "select * where intersect = true AND intersect2 = true order by  created" );
  query.setLimit( queryLimit );
  start = System.currentTimeMillis();
  Results results = io.getResults( query );
  // now do simple ordering, should be returned in order
  stop = System.currentTimeMillis();
  logger.info( "Query took {} ms to return {} entities", stop - start, 0 );
  assertEquals( 0, results.size() );
}

代码示例来源:origin: apache/usergrid

query.setLimit( queryLimit );

代码示例来源:origin: apache/usergrid

query.setLimit( PAGE_SIZE );

代码示例来源:origin: apache/usergrid

query.setLimit( queryLimit );

代码示例来源:origin: apache/usergrid

query.setLimit( queryLimit );

代码示例来源:origin: apache/usergrid

query.setLimit( PAGE_SIZE );

代码示例来源:origin: apache/usergrid

query.setLimit( 10 );

代码示例来源:origin: apache/usergrid

query.setLimit( PAGE_SIZE );

代码示例来源:origin: apache/usergrid

protected List<EntityRef> getNotificationReceipts(EntityRef notification)
    throws Exception {
  Query query = new Query();
  query.setCollection("receipts");
  query.setLimit(100);
  PathQuery<Receipt> pathQuery = new PathQuery<Receipt>(
      new SimpleEntityRef(app.getEntityManager().getApplicationRef()),
      query
  );
  Iterator<Receipt> it = pathQuery.iterator(app.getEntityManager());
  List<EntityRef> list =new ArrayList<EntityRef>();//get all
  while(it.hasNext()){
    Receipt receipt =it.next();
    if(receipt.getNotificationUUID().equals(notification.getUuid())) {
      list.add(receipt);
    }
  }
  return list;
}

代码示例来源:origin: apache/usergrid

query.setLimit(limit);

代码示例来源:origin: apache/usergrid

query.setLimit( pageSize );

代码示例来源:origin: apache/usergrid

private int getConnectionCountViaSearch( final Import importRoot ) {

    try {
      EntityManager emMgmtApp = setup.getEmf()
        .getEntityManager(setup.getEmf().getManagementAppId() );

      Query query = Query.fromQL("select *");
      query.setEntityType("file_import");
      query.setConnectionType("includes");
      query.setLimit(10000);

      Results entities = emMgmtApp.searchTargetEntities(importRoot, query);
      return entities.size();

//            PagingResultsIterator itr = new PagingResultsIterator( entities );
//            int count = 0;
//            while ( itr.hasNext() ) {
//                itr.next();
//                count++;
//            }
//            return count;
    }
    catch ( Exception e ) {
      logger.error( "application doesn't exist within the current context" );
      throw new RuntimeException( e );
    }
  }
}

代码示例来源:origin: apache/usergrid

query.setLimit( pageSize );

代码示例来源:origin: apache/usergrid

@Override
public ServiceResults putItemsByQuery( ServiceContext context, Query query ) throws Exception {
  checkPermissionsForCollection( context );
  if ( context.moreParameters() ) {
    return getItemsByQuery( context, query );
  }
  query = new Query( query );
  query.setResultsLevel( Level.ALL_PROPERTIES );
  query.setLimit( 1000 );
  if ( !query.isReversedSet() ) {
    query.setReversed( isCollectionReversed( context ) );
  }
  Results r = em.searchCollection( context.getOwner(), context.getCollectionName(), query );
  if ( r.isEmpty() ) {
    throw new ServiceResourceNotFoundException( context );
  }
  updateEntities( context, r );
  return new ServiceResults( this, context, Type.COLLECTION, r, null, null );
}

代码示例来源:origin: apache/usergrid

query.setLimit( pageSize );

代码示例来源:origin: apache/usergrid

@Override
public ServiceResults deleteItemsByQuery( ServiceContext context, Query query ) throws Exception {
  checkPermissionsForCollection( context );
  if ( context.moreParameters() ) {
    return getItemsByQuery( context, query );
  }
  query = new Query( query );
  query.setResultsLevel( Level.ALL_PROPERTIES );
  query.setLimit( query.getLimit() );
  if ( !query.isReversedSet() ) {
    query.setReversed( isCollectionReversed( context ) );
  }
  Results r = em.searchCollection( context.getOwner(), context.getCollectionName(), query );
  importEntities( context, r );
  for ( Entity entity : r ) {
    prepareToDelete( context, entity );
  }
  for ( Entity entity : r ) {
    em.removeFromCollection( context.getOwner(), context.getCollectionName(), entity );
  }
  return new ServiceResults( this, context, Type.COLLECTION, r, null, null );
}

代码示例来源:origin: apache/usergrid

query.setLimit( query.getLimit( count ) );

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