code: public TableRef getItems(final OnItemSnapshot onItemSnapshot, final OnError onError){
  		TableMetadata tm = context.getTableMeta(this.name);
  		if(tm == null){
  			this.meta(new OnTableMetadata(){
  				@Override
  				public void run(TableMetadata tableMetadata) {
  					_getItems(onItemSnapshot, onError);
  				}				
  			}, onError);
  		} else {
  			this._getItems(onItemSnapshot, onError);
  		}
  		return this;
  	}
docs: Get the items of this tableRef.
  
  <pre>
  StorageRef storage = new StorageRef("your_app_key", "your_token");
  
  TableRef tableRef = storage.table("your_table");
  
  tableRef.getItems(new OnItemSnapshot() {
  &#064;Override
  public void run(ItemSnapshot itemSnapshot) {
  if (itemSnapshot != null) {
  Log.d("TableRef", "Item retrieved: " + itemSnapshot.val());
  }
  }
  }, new OnError() {
  &#064;Override
  public void run(Integer code, String errorMessage) {
  Log.e("TableRef", "Error retrieving items: " + errorMessage);
  }
  });
  
  </pre>
  
  @param onItemSnapshot
  The callback to call once the items are available. The success function will be called for each existent item. The argument is an item snapshot. In the end, when all calls are done, the success function will be called with null as argument to signal that there are no more items.
  @param onError
  The callback to call if an exception occurred
  @return Current table reference