Class PageKey

java.lang.Object

org.apache.derby.iapi.store.raw.PageKey

public final class PageKey
extends Object

A key that identifies a BasePage. Used as the key for the caching mechanism.
MT - Immutable :

Field Summary

Fields

Modifier and Type	Field	Description
private final ContainerKey	container
private final long	pageNumber

Constructor Summary

Constructors

Constructor	Description
PageKey(ContainerKey key, long pageNumber)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)
ContainerKey	getContainerId()
long	getPageNumber()
int	hashCode()
static PageKey	read(ObjectInput in)
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class Object

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

Field Details

container

private final ContainerKey container

pageNumber

private final long pageNumber

Constructor Details

PageKey

public PageKey(ContainerKey key,
 long pageNumber)

Method Details

getPageNumber

public long getPageNumber()

getContainerId

public ContainerKey getContainerId()

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Throws:

IOException

read

public static PageKey read(ObjectInput in)
                    throws IOException

Throws:

IOException

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object