Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/src/arrow/r/R/array-data.R b/src/arrow/r/R/array-data.R
new file mode 100644
index 000000000..99c24fdcf
--- /dev/null
+++ b/src/arrow/r/R/array-data.R
@@ -0,0 +1,53 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+#' @title ArrayData class
+#' @usage NULL
+#' @format NULL
+#' @docType class
+#' @description The `ArrayData` class allows you to get and inspect the data
+#' inside an `arrow::Array`.
+#'
+#' @section Usage:
+#'
+#' ```
+#' data <- Array$create(x)$data()
+#'
+#' data$type
+#' data$length
+#' data$null_count
+#' data$offset
+#' data$buffers
+#' ```
+#'
+#' @section Methods:
+#'
+#' ...
+#'
+#' @rdname ArrayData
+#' @name ArrayData
+#' @include type.R
+ArrayData <- R6Class("ArrayData",
+  inherit = ArrowObject,
+  active = list(
+    type = function() ArrayData__get_type(self),
+    length = function() ArrayData__get_length(self),
+    null_count = function() ArrayData__get_null_count(self),
+    offset = function() ArrayData__get_offset(self),
+    buffers = function() ArrayData__buffers(self)
+  )
+)