Module org.apache.arrow.c

Package org.apache.arrow.c

Class StructVectorLoader

java.lang.Object

org.apache.arrow.c.StructVectorLoader

public class StructVectorLoader
extends Object

Loads buffers into StructVector.

Constructor Summary

Constructors

Constructor	Description
StructVectorLoader(Schema schema)	Construct with a schema.
StructVectorLoader(Schema schema, CompressionCodec.Factory factory)	Construct with a schema and a compression codec factory.

Method Summary

Modifier and Type	Method	Description
StructVector	load(BufferAllocator allocator, ArrowRecordBatch recordBatch)	Loads the record batch into the struct vector.

Methods inherited from class java.lang.Object

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

Constructor Details

StructVectorLoader

public StructVectorLoader(Schema schema)

Construct with a schema.

The schema referred to here can be obtained from the struct vector. The schema here should be the children of a struct vector, not a schema containing the struct field itself. For example: Schema schema = new Schema(structVector.getField().getChildren());

Parameters:

schema - buffers are added based on schema.

StructVectorLoader

public StructVectorLoader(Schema schema,
 CompressionCodec.Factory factory)

Construct with a schema and a compression codec factory.

Parameters:

schema - buffers are added based on schema.

factory - the factory to create codec.

Method Details

load

public StructVector load(BufferAllocator allocator,
 ArrowRecordBatch recordBatch)

Loads the record batch into the struct vector.

This will not close the record batch.

Parameters:

recordBatch - the batch to load