be.SIRAPRISE.typeimplementations

Class TupleCollectionBuffer

java.lang.Object

be.SIRAPRISE.typeimplementations.ValueBuffer

be.SIRAPRISE.typeimplementations.NonScalarValueBuffer

be.SIRAPRISE.typeimplementations.TupleCollectionBuffer

Direct Known Subclasses:

RelationBuffer, TupleBagBuffer

public abstract class TupleCollectionBuffer
extends NonScalarValueBuffer

A TupleCollectionBuffer is the ValueBuffer type for collections of tuples. Only the RelationBuffer (Sets of tuples) subtype is exposed to the users, but internally the system also uses Bags of tuples.

Author:

Erwin Smout

Field Summary

Fields

Modifier and Type	Field and Description
static short	TUPLEMARK

Constructor Summary

Constructors

Constructor and Description
TupleCollectionBuffer()

Method Summary

Modifier and Type	Method and Description
java.nio.ByteBuffer	getByteBuffer() Gets a read-only bytebuffer holding an encoding of the value
abstract MyReadOnlyCollection<TupleBuffer>	getTupleBufferCollection() Gets the collection of tuple buffers

Methods inherited from class be.SIRAPRISE.typeimplementations.ValueBuffer

intern

Methods inherited from class java.lang.Object

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

Field Detail

TUPLEMARK

public static final short TUPLEMARK

See Also:

Constant Field Values

Constructor Detail

TupleCollectionBuffer

public TupleCollectionBuffer()

Method Detail

getByteBuffer

public final java.nio.ByteBuffer getByteBuffer()

Description copied from class: ValueBuffer

Gets a read-only bytebuffer holding an encoding of the value

Specified by:

getByteBuffer in class ValueBuffer

Returns:

A read-only bytebuffer holding an encoding of the value

getTupleBufferCollection

public abstract MyReadOnlyCollection<TupleBuffer> getTupleBufferCollection()

Gets the collection of tuple buffers

Returns:

the collection of tuple buffers