Module swim.db

Package swim.db

Class BTreePageRef

java.lang.Object

swim.db.PageRef

swim.db.BTreePageRef

public final class BTreePageRef
extends PageRef

Constructor Summary

Constructors

Constructor	Description
BTreePageRef(PageContext context, PageType pageType, int stem, int post, int zone, long base, long span, swim.structure.Value fold)
BTreePageRef(PageContext context, PageType pageType, int stem, int post, int zone, long base, long span, swim.structure.Value fold, Object page)
BTreePageRef(PageContext context, PageType pageType, int stem, int post, int zone, long base, long span, swim.structure.Value fold, Object page, int pageRefSize, int pageSize, int diffSize, long treeSize)

Method Summary

Modifier and Type	Method	Description
long	base()
void	buildDiff(swim.util.Builder<Page,?> builder)
BTreePageRef	committed(int zone, long base, long version)
swim.util.OrderedMapCursor<swim.structure.Value,swim.structure.Value>	cursor()
swim.util.OrderedMapCursor<swim.structure.Value,swim.structure.Value>	deltaCursor(long sinceVersion)
swim.util.OrderedMapCursor<swim.structure.Value,swim.structure.Value>	depthCursor(int maxDepth)
int	diffSize()
static BTreePageRef	empty(PageContext context, int stem, long version)
BTreePageRef	evacuated(int post, long version)
swim.structure.Value	fold()
static BTreePageRef	fromValue(PageContext context, int stem, swim.structure.Value value)
BTreePage	hardPage()
boolean	isCommitted()
boolean	isEmpty()
BTreePage	loadPage(boolean isResident)
BTreePage	loadPage(PageLoader pageLoader)
BTreePage	loadTree(boolean isResident)
BTreePage	loadTree(PageLoader pageLoader)
BTreePage	page()
PageContext	pageContext()
int	pageRefSize()
int	pageSize()
PageType	pageType()
int	post()
BTreePageRef	reduced(swim.structure.Value identity, swim.util.CombinerFunction<? super swim.structure.Value,swim.structure.Value> accumulator, swim.util.CombinerFunction<swim.structure.Value,swim.structure.Value> combiner, long newVersion)
BTreePage	setPageValue(swim.structure.Value value, boolean isResident)
void	soften(long version)
BTreePage	softPage()
long	softVersion()
long	span()
int	stem()
String	toString()
swim.structure.Value	toValue()
long	treeSize()
BTreePageRef	uncommitted(long version)
void	writeDiff(swim.codec.Output<?> output)
void	writePage(swim.codec.Output<?> output)
void	writePageRef(swim.codec.Output<?> output)
int	zone()

Methods inherited from class swim.db.PageRef

settings, toDebugString

Methods inherited from class java.lang.Object

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

Constructor Detail

BTreePageRef

public BTreePageRef(PageContext context,
                    PageType pageType,
                    int stem,
                    int post,
                    int zone,
                    long base,
                    long span,
                    swim.structure.Value fold,
                    Object page,
                    int pageRefSize,
                    int pageSize,
                    int diffSize,
                    long treeSize)

BTreePageRef

public BTreePageRef(PageContext context,
                    PageType pageType,
                    int stem,
                    int post,
                    int zone,
                    long base,
                    long span,
                    swim.structure.Value fold,
                    Object page)

BTreePageRef

public BTreePageRef(PageContext context,
                    PageType pageType,
                    int stem,
                    int post,
                    int zone,
                    long base,
                    long span,
                    swim.structure.Value fold)

Method Detail

pageContext

public PageContext pageContext()

Specified by:

pageContext in class PageRef

pageType

public PageType pageType()

Specified by:

pageType in class PageRef

stem

public int stem()

Specified by:

stem in class PageRef

post

public int post()

Specified by:

post in class PageRef

zone

public int zone()

Specified by:

zone in class PageRef

base

public long base()

Specified by:

base in class PageRef

span

public long span()

Specified by:

span in class PageRef

fold

public swim.structure.Value fold()

Specified by:

fold in class PageRef

page

public BTreePage page()

Specified by:

page in class PageRef

hardPage

public BTreePage hardPage()

Specified by:

hardPage in class PageRef

softPage

public BTreePage softPage()

Specified by:

softPage in class PageRef

softVersion

public long softVersion()

Specified by:

softVersion in class PageRef

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in class PageRef

isCommitted

public boolean isCommitted()

Specified by:

isCommitted in class PageRef

pageRefSize

public int pageRefSize()

Specified by:

pageRefSize in class PageRef

pageSize

public int pageSize()

Specified by:

pageSize in class PageRef

diffSize

public int diffSize()

Specified by:

diffSize in class PageRef

treeSize

public long treeSize()

Specified by:

treeSize in class PageRef

toValue

public swim.structure.Value toValue()

Specified by:

toValue in class PageRef

reduced

public BTreePageRef reduced(swim.structure.Value identity,
                            swim.util.CombinerFunction<? super swim.structure.Value,swim.structure.Value> accumulator,
                            swim.util.CombinerFunction<swim.structure.Value,swim.structure.Value> combiner,
                            long newVersion)

evacuated

public BTreePageRef evacuated(int post,
                              long version)

Specified by:

evacuated in class PageRef

committed

public BTreePageRef committed(int zone,
                              long base,
                              long version)

Specified by:

committed in class PageRef

uncommitted

public BTreePageRef uncommitted(long version)

Specified by:

uncommitted in class PageRef

writePageRef

public void writePageRef(swim.codec.Output<?> output)

Specified by:

writePageRef in class PageRef

writePage

public void writePage(swim.codec.Output<?> output)

Specified by:

writePage in class PageRef

writeDiff

public void writeDiff(swim.codec.Output<?> output)

Specified by:

writeDiff in class PageRef

buildDiff

public void buildDiff(swim.util.Builder<Page,?> builder)

Specified by:

buildDiff in class PageRef

setPageValue

public BTreePage setPageValue(swim.structure.Value value,
                              boolean isResident)

Specified by:

setPageValue in class PageRef

loadPage

public BTreePage loadPage(boolean isResident)

Specified by:

loadPage in class PageRef

loadPage

public BTreePage loadPage(PageLoader pageLoader)

Specified by:

loadPage in class PageRef

loadTree

public BTreePage loadTree(boolean isResident)

Specified by:

loadTree in class PageRef

loadTree

public BTreePage loadTree(PageLoader pageLoader)

Specified by:

loadTree in class PageRef

soften

public void soften(long version)

Specified by:

soften in class PageRef

cursor

public swim.util.OrderedMapCursor<swim.structure.Value,swim.structure.Value> cursor()

Specified by:

cursor in class PageRef

depthCursor

public swim.util.OrderedMapCursor<swim.structure.Value,swim.structure.Value> depthCursor(int maxDepth)

deltaCursor

public swim.util.OrderedMapCursor<swim.structure.Value,swim.structure.Value> deltaCursor(long sinceVersion)

toString

public String toString()

Overrides:

toString in class Object

empty

public static BTreePageRef empty(PageContext context,
                                 int stem,
                                 long version)

fromValue

public static BTreePageRef fromValue(PageContext context,
                                     int stem,
                                     swim.structure.Value value)