net.sf.joafip.heapfile.record.entity

Class HeapIdNode

java.lang.Object

net.sf.joafip.heapfile.record.entity.AbstractHeapRBTNode<DataRecordIdentifier>

net.sf.joafip.heapfile.record.entity.HeapIdNode

All Implemented Interfaces:

IRBTComparableNode<DataRecordIdentifier>, IRBTNode<DataRecordIdentifier>, IRBTVisitable<DataRecordIdentifier>

@NotStorableClass
public class HeapIdNode
extends AbstractHeapRBTNode<DataRecordIdentifier>

record identifier node
the node identification value is take from HeapRecord
implement the identification value comparison
implement reading of root identification node from HeapRecord

Author:

luc peuvrier

Field Summary

Fields

Modifier and Type	Field and Description
DataRecordIdentifier	nodeIdentifier this node identifier. public is bad smell but this done for optimization

Fields inherited from class net.sf.joafip.heapfile.record.entity.AbstractHeapRBTNode

color, colorSetted, heapElementManager, index, leftPositionInFile, numberOfChild, parentPositionInFile, rightPositionInFile, valueChanged

Constructor Summary

Constructors

Constructor and Description
HeapIdNode(IHeapElementManager heapElementManager, long positionInFile, long parentPositionInFile, long leftPositionInFile, long rightPositionInFile, boolean colorSetted, boolean color, int numberOfChild, DataRecordIdentifier nodeIdentifier)

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(DataRecordIdentifier element)
int	compareTo(IRBTComparableNode<DataRecordIdentifier> node)
boolean	equals(Object obj)
DataRecordIdentifier	getElement() get the element of this node
protected AbstractHeapRBTNode<DataRecordIdentifier>	heapNode(HeapRecord heapRecord) get the heap node from the heap record from heap file, depending of heap tree it is not at same location on heap record.
void	setElement(DataRecordIdentifier element) set this node element
String	toString()

Methods inherited from class net.sf.joafip.heapfile.record.entity.AbstractHeapRBTNode

accept, decrementNumberOfChild, detach, getColor, getHeapRecord, getIndex, getLeft, getLeftPositionInFile, getNumberOfChild, getParent, getParentPositionInFile, getPositionInFile, getRight, getRightPositionInFile, hashCode, incrementNumberOfChild, isAttached, isBlack, isColorSetted, isRed, isSentinel, isValueChanged, setBlack, setColor, setIndex, setLeft, setLeftPositionInFile, setNumberOfChild, setParent, setParentPositionInFile, setRed, setRight, setRightPositionInFile, valueSetted

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

nodeIdentifier

public final DataRecordIdentifier nodeIdentifier

this node identifier. public is bad smell but this done for optimization

Constructor Detail

HeapIdNode

public HeapIdNode(IHeapElementManager heapElementManager,
          long positionInFile,
          long parentPositionInFile,
          long leftPositionInFile,
          long rightPositionInFile,
          boolean colorSetted,
          boolean color,
          int numberOfChild,
          DataRecordIdentifier nodeIdentifier)

Method Detail

compareTo

public int compareTo(IRBTComparableNode<DataRecordIdentifier> node)

compareTo

public int compareTo(DataRecordIdentifier element)
              throws RBTException

Throws:

RBTException

getElement

public DataRecordIdentifier getElement()

Description copied from interface: IRBTNode

get the element of this node

Returns:

the element of this node

setElement

public void setElement(DataRecordIdentifier element)
                throws RBTException

Description copied from interface: IRBTNode

set this node element

Parameters:

element - the element to set for this node

Throws:

RBTException

heapNode

protected AbstractHeapRBTNode<DataRecordIdentifier> heapNode(HeapRecord heapRecord)
                                                      throws RBTException

Description copied from class: AbstractHeapRBTNode

get the heap node from the heap record from heap file, depending of heap tree it is not at same location on heap record.

Specified by:

heapNode in class AbstractHeapRBTNode<DataRecordIdentifier>

Parameters:

heapRecord - the heap record

Returns:

the heap file Red Black Tree Node

Throws:

RBTException

toString

public String toString()

Overrides:

toString in class AbstractHeapRBTNode<DataRecordIdentifier>

equals

public boolean equals(Object obj)

Overrides:

equals in class AbstractHeapRBTNode<DataRecordIdentifier>