gr.uoa.di.madgik.searchlibrary.operatorlibrary.join

Class JoinElement

java.lang.Object

gr.uoa.di.madgik.searchlibrary.operatorlibrary.join.JoinElement

public class JoinElement
extends Object

Placeholder for the records that must be joined

Author:

UoA

Constructor Summary

Constructors

Constructor and Description
JoinElement(Vector<Long> pos, HashKey value, short collectionID) Creates a new JoinElement

Method Summary

Modifier and Type	Method and Description
short	getCollectionID() Retrieves the input id of the record
Vector<Long>	getRecordIndices() Retrieves the record indices of the stored records
HashKey	getValue() Retrieves the value of the element
void	setCollectionID(short collectionID) Sets the input id

Methods inherited from class java.lang.Object

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

Constructor Detail

JoinElement

public JoinElement(Vector<Long> pos,
                   HashKey value,
                   short collectionID)

Creates a new JoinElement

Parameters:

pos - The indices of the stored records

value - The vale of the key to use

collectionID - The id of the input this record comes from

Method Detail

getValue

public HashKey getValue()

Retrieves the value of the element

Returns:

The value

getRecordIndices

public Vector<Long> getRecordIndices()

Retrieves the record indices of the stored records

Returns:

The position

getCollectionID

public short getCollectionID()

Retrieves the input id of the record

Returns:

The input id

setCollectionID

public void setCollectionID(short collectionID)

Sets the input id

Parameters:

collectionID - The input id