org.apache.jena.dboe.base.buffer

Class RecordBuffer

java.lang.Object

org.apache.jena.dboe.base.buffer.RecordBuffer

public final class RecordBuffer
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	CheckBuffer

Constructor Summary

Constructors

Constructor and Description
RecordBuffer(ByteBuffer bb, RecordFactory recFactory, int num)
RecordBuffer(RecordFactory recFactory, int maxRec)

Method Summary

Modifier and Type	Method and Description
<X> X	_access(int idx, byte[] key, RecordMapper<X> mapper)
Record	_get(int idx)
<X> X	access(int idx, byte[] key, RecordMapper<X> mapper)
void	add(int idx, Record record)
void	add(Record record)
void	clear() Does not reset the size
void	clear(int idx) Does not reset the size
void	clear(int idx, int len) Does not reset the size
void	copy(int srcIdx, org.apache.jena.dboe.base.buffer.BufferBase dst, int dstIdx, int len)
void	copyToTop(org.apache.jena.dboe.base.buffer.BufferBase dst)
void	decSize()
void	decSize(int n)
RecordBuffer	duplicate() A duplicate which does not share anything with the original - for testing
int	find(Record k)
int	find(Record rec, int fromIndex, int toIndex) Search for key in range fromIndex (inclusive) to toIndex (exclusive)
Record	findGet(Record k)
Record	get(int idx)
Record	getHigh()
Record	getLow()
int	getSize()
void	incSize()
void	incSize(int n)
boolean	isClear(int idx) Is the record at idx set clear or not? This is done without regard to buffer size.
boolean	isEmpty()
boolean	isFull()
Iterator<Record>	iterator()
Iterator<Record>	iterator(Record min, Record max) Iterator over a range from min (inclusive) to max(exclusive)
<X> Iterator<X>	iterator(Record min, Record max, RecordMapper<X> mapper)
int	maxSize()
void	remove(int idx)
boolean	removeByKey(Record k) return true is removed anything
void	removeTop() Remove top element
void	set(int idx, Record record)
void	setSize(int n)
void	shiftDown(int idx)
void	shiftDownN(int idx, int num)
void	shiftLeft(org.apache.jena.dboe.base.buffer.BufferBase other) Move the element from the low end of other to the high end of this
void	shiftRight(org.apache.jena.dboe.base.buffer.BufferBase other) Move the element from the high end of this to the low end of other
void	shiftUp(int idx)
void	shiftUpN(int idx, int num)
int	size()
int	slotLen()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

CheckBuffer

public static final boolean CheckBuffer

See Also:

Constant Field Values

Constructor Detail

RecordBuffer

public RecordBuffer(RecordFactory recFactory,
                    int maxRec)

RecordBuffer

public RecordBuffer(ByteBuffer bb,
                    RecordFactory recFactory,
                    int num)

Method Detail

access

public <X> X access(int idx,
                    byte[] key,
                    RecordMapper<X> mapper)

get

public Record get(int idx)

getLow

public Record getLow()

getHigh

public Record getHigh()

add

public void add(Record record)

add

public void add(int idx,
                Record record)

set

public void set(int idx,
                Record record)

_access

public <X> X _access(int idx,
                     byte[] key,
                     RecordMapper<X> mapper)

_get

public Record _get(int idx)

find

public int find(Record k)

iterator

public Iterator<Record> iterator()

iterator

public Iterator<Record> iterator(Record min,
                                 Record max)

Iterator over a range from min (inclusive) to max(exclusive)

iterator

public <X> Iterator<X> iterator(Record min,
                                Record max,
                                RecordMapper<X> mapper)

findGet

public Record findGet(Record k)

removeByKey

public boolean removeByKey(Record k)

return true is removed anything

find

public int find(Record rec,
                int fromIndex,
                int toIndex)

Search for key in range fromIndex (inclusive) to toIndex (exclusive)

toString

public String toString()

Overrides:

toString in class Object

duplicate

public RecordBuffer duplicate()

A duplicate which does not share anything with the original - for testing

copy

public final void copy(int srcIdx,
                       org.apache.jena.dboe.base.buffer.BufferBase dst,
                       int dstIdx,
                       int len)

copyToTop

public final void copyToTop(org.apache.jena.dboe.base.buffer.BufferBase dst)

removeTop

public final void removeTop()

Remove top element

remove

public final void remove(int idx)

clear

public final void clear(int idx,
                        int len)

Does not reset the size

clear

public final void clear()

Does not reset the size

clear

public final void clear(int idx)

Does not reset the size

isClear

public final boolean isClear(int idx)

Is the record at idx set clear or not? This is done without regard to buffer size. Requires NullOut to be accurate. Testing.

isFull

public final boolean isFull()

isEmpty

public final boolean isEmpty()

incSize

public final void incSize()

incSize

public final void incSize(int n)

decSize

public final void decSize()

decSize

public final void decSize(int n)

slotLen

public final int slotLen()

getSize

public final int getSize()

setSize

public final void setSize(int n)

size

public final int size()

maxSize

public final int maxSize()

shiftUp

public final void shiftUp(int idx)

shiftUpN

public final void shiftUpN(int idx,
                           int num)

shiftDown

public final void shiftDown(int idx)

shiftDownN

public final void shiftDownN(int idx,
                             int num)

shiftRight

public void shiftRight(org.apache.jena.dboe.base.buffer.BufferBase other)

Move the element from the high end of this to the low end of other

shiftLeft

public void shiftLeft(org.apache.jena.dboe.base.buffer.BufferBase other)

Move the element from the low end of other to the high end of this