com.aliyun.odps.storage.internal.models

Class BlobWriteItem

java.lang.Object

com.aliyun.odps.storage.internal.models.BlobWriteItem

public class BlobWriteItem
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BlobWriteItem.Builder A builder for creating immutable BlobWriteItem instances.
static class	BlobWriteItem.ChecksumType

Method Summary

Modifier and Type	Method and Description
static BlobWriteItem.Builder	builder()
void	serializeTo(OutputStream out) Serializes this BlobWriteItem directly into the given OutputStream, avoiding intermediate byte array allocation for the item itself.
static byte[]	writeBlobs(List<BlobWriteItem> items) A highly efficient utility method to serialize a list of BlobWriteItems into a single byte stream.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

serializeTo

public void serializeTo(OutputStream out)
                 throws IOException

Serializes this BlobWriteItem directly into the given OutputStream, avoiding intermediate byte array allocation for the item itself.

Parameters:

out - The OutputStream to write the serialized data to.

Throws:

IOException - If an I/O error occurs.

writeBlobs

public static byte[] writeBlobs(List<BlobWriteItem> items)
                         throws IOException

A highly efficient utility method to serialize a list of BlobWriteItems into a single byte stream. It creates a single output stream and writes each item directly into it, minimizing temporary object allocation and memory copies.

Parameters:

items - The list of BlobWriteItems to serialize.

Returns:

A single byte array representing all items concatenated.

Throws:

IOException - If an I/O error occurs during serialization of any item.

builder

public static BlobWriteItem.Builder builder()