org.apache.jackrabbit.oak.plugins.segment

Class SegmentPropertyState

java.lang.Object

org.apache.jackrabbit.oak.plugins.segment.SegmentPropertyState

All Implemented Interfaces:

org.apache.jackrabbit.oak.api.PropertyState

public class SegmentPropertyState
extends Object
implements org.apache.jackrabbit.oak.api.PropertyState

A property, which can read a value or list record from a segment. It currently doesn't cache data.

Depending on the property type, this is a record of type "VALUE" or a record of type "LIST" (for arrays).

Constructor Summary

Constructors

Constructor and Description
SegmentPropertyState(RecordId id, org.apache.jackrabbit.oak.plugins.segment.PropertyTemplate template)

Method Summary

Methods

Modifier and Type	Method and Description
int	count()
boolean	equals(Object object)
String	getName()
protected int	getOffset() Returns the segment offset of this record.
protected int	getOffset(int position) Returns the segment offset of the given byte position in this record.
protected int	getOffset(int bytes, int ids) Returns the segment offset of a byte position in this record.
RecordId	getRecordId() Returns the identifier of this record.
protected Segment	getSegment() Returns the segment that contains this record.
protected SegmentTracker	getTracker() Returns the tracker of the segment that contains this record.
org.apache.jackrabbit.oak.api.Type<?>	getType()
<T> T	getValue(org.apache.jackrabbit.oak.api.Type<T> type)
<T> T	getValue(org.apache.jackrabbit.oak.api.Type<T> type, int index)
int	hashCode()
boolean	isArray()
long	size()
long	size(int index)
String	toString()
protected boolean	wasCompactedTo(org.apache.jackrabbit.oak.plugins.segment.Record after)

Methods inherited from class java.lang.Object

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

Constructor Detail

SegmentPropertyState

public SegmentPropertyState(RecordId id,
                    org.apache.jackrabbit.oak.plugins.segment.PropertyTemplate template)

Method Detail

getName

@Nonnull
public String getName()

Specified by:

getName in interface org.apache.jackrabbit.oak.api.PropertyState

getType

public org.apache.jackrabbit.oak.api.Type<?> getType()

Specified by:

getType in interface org.apache.jackrabbit.oak.api.PropertyState

isArray

public boolean isArray()

Specified by:

isArray in interface org.apache.jackrabbit.oak.api.PropertyState

count

public int count()

Specified by:

count in interface org.apache.jackrabbit.oak.api.PropertyState

getValue

@Nonnull
public <T> T getValue(org.apache.jackrabbit.oak.api.Type<T> type)

Specified by:

getValue in interface org.apache.jackrabbit.oak.api.PropertyState

size

public long size()

Specified by:

size in interface org.apache.jackrabbit.oak.api.PropertyState

getValue

@Nonnull
public <T> T getValue(org.apache.jackrabbit.oak.api.Type<T> type,
                     int index)

Specified by:

getValue in interface org.apache.jackrabbit.oak.api.PropertyState

size

public long size(int index)

Specified by:

size in interface org.apache.jackrabbit.oak.api.PropertyState

equals

public boolean equals(Object object)

hashCode

public int hashCode()

toString

public String toString()

wasCompactedTo

protected boolean wasCompactedTo(org.apache.jackrabbit.oak.plugins.segment.Record after)

getTracker

protected SegmentTracker getTracker()

Returns the tracker of the segment that contains this record.

Returns:

segment tracker

getSegment

protected Segment getSegment()

Returns the segment that contains this record.

Returns:

segment that contains this record

getRecordId

public RecordId getRecordId()

Returns the identifier of this record.

Returns:

record identifier

getOffset

protected final int getOffset()

Returns the segment offset of this record.

Returns:

segment offset of this record

getOffset

protected final int getOffset(int position)

Returns the segment offset of the given byte position in this record.

Parameters:

position - byte position within this record

Returns:

segment offset of the given byte position

getOffset

protected final int getOffset(int bytes,
            int ids)

Returns the segment offset of a byte position in this record. The position is calculated from the given number of raw bytes and record identifiers.

Parameters:

bytes - number of raw bytes before the position

ids - number of record identifiers before the position

Returns:

segment offset of the specified byte position