liyafan82 commented on a change in pull request #11067: URL: https://github.com/apache/arrow/pull/11067#discussion_r705007376
########## File path: java/ffi/src/main/java/org/apache/arrow/ffi/ArrowArray.java ########## @@ -0,0 +1,184 @@ +/* + * 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. + */ + +package org.apache.arrow.ffi; + +import static org.apache.arrow.ffi.NativeUtil.NULL; +import static org.apache.arrow.util.Preconditions.checkNotNull; + +import java.nio.ByteBuffer; +import java.nio.ByteOrder; + +import org.apache.arrow.ffi.jni.JniWrapper; +import org.apache.arrow.memory.ArrowBuf; +import org.apache.arrow.memory.BufferAllocator; +import org.apache.arrow.memory.ReferenceManager; +import org.apache.arrow.memory.util.MemoryUtil; + +/** + * C Data Interface ArrowArray. + * <p> + * Represents a wrapper for the following C structure: + * + * <pre> + * struct ArrowArray { + * // Array data description + * int64_t length; + * int64_t null_count; + * int64_t offset; + * int64_t n_buffers; + * int64_t n_children; + * const void** buffers; + * struct ArrowArray** children; + * struct ArrowArray* dictionary; + * + * // Release callback + * void (*release)(struct ArrowArray*); + * // Opaque producer-specific data + * void* private_data; + * }; + * </pre> + */ +public class ArrowArray implements BaseStruct { + private static final int SIZE_OF = 80; Review comment: Thanks for the clarification. Maybe we need some comment here? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
