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https://issues.apache.org/jira/browse/ARROW-1474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16215802#comment-16215802
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ASF GitHub Bot commented on ARROW-1474:
---------------------------------------
icexelloss commented on a change in pull request #1203: ARROW-1474:[WIP] Java
Vector Refactor (Implementation Phase 2)
URL: https://github.com/apache/arrow/pull/1203#discussion_r146388341
##########
File path:
java/vector/src/main/java/org/apache/arrow/vector/BaseNullableVariableWidthVector.java
##########
@@ -761,4 +741,57 @@ protected final void handleSafe(int index, int
dataLength) {
reallocValueBuffer();
}
}
+
+
+ /******************************************************************
+ * *
+ * helper methods currently *
+ * used by JsonFileReader and *
+ * JsonFileWriter *
+ * *
+ ******************************************************************/
+
+
+ public static ArrowBuf setSafeJsonHelper(ArrowBuf data, ArrowBuf offset,
+ BufferAllocator allocator, int
index, byte[] value,
+ int valueCount) {
+ if (data == null) {
+ data = allocator.buffer(INITIAL_BYTE_COUNT);
+ }
+ final int currentBufferCapacity = data.capacity();
+ final int currentStartOffset = offset.getInt(index * OFFSET_WIDTH);
+ while (currentBufferCapacity < currentStartOffset + value.length) {
+ final ArrowBuf newBuf = allocator.buffer(currentBufferCapacity * 2);
+ newBuf.setBytes(0, data, 0, currentBufferCapacity);
+ data.release();
+ data = newBuf;
+ }
+ data.setBytes(currentStartOffset, value, 0, value.length);
+ if (index == (valueCount - 1)) {
+ data.writerIndex(offset.getInt(valueCount * OFFSET_WIDTH));
+ }
+ return data;
+ }
+
+ public static byte[] get(final ArrowBuf data, final ArrowBuf offset, int
index) {
Review comment:
This is discussed
https://github.com/apache/arrow/pull/1203#issuecomment-338690930
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> [JAVA] ValueVector hierarchy (Implementation Phase 2)
> -----------------------------------------------------
>
> Key: ARROW-1474
> URL: https://issues.apache.org/jira/browse/ARROW-1474
> Project: Apache Arrow
> Issue Type: Sub-task
> Reporter: Jacques Nadeau
> Assignee: Siddharth Teotia
> Labels: pull-request-available
>
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