org.apache.jackrabbit.oak.plugins.segment

Class SegmentWriter

java.lang.Object

org.apache.jackrabbit.oak.plugins.segment.SegmentWriter

public class SegmentWriter
extends java.lang.Object

Converts nodes, properties, and values to records, which are written to segments.

Constructor Summary

Constructors

Constructor and Description
SegmentWriter(SegmentStore store, SegmentVersion version, java.lang.String wid)

Method Summary

Modifier and Type	Method and Description
void	dropCache()
void	flush()
SegmentBlob	writeBlob(Blob blob)
RecordId	writeList(java.util.List<RecordId> list) Writes a list record containing the given list of record identifiers.
SegmentNodeState	writeNode(NodeState state)
RecordId	writeProperty(PropertyState state)
SegmentBlob	writeStream(java.io.InputStream stream) Writes a stream value record.
RecordId	writeString(java.lang.String string) Writes a string value record.
RecordId	writeTemplate(Template template)

Methods inherited from class java.lang.Object

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

Constructor Detail

SegmentWriter

public SegmentWriter(SegmentStore store,
                     SegmentVersion version,
                     java.lang.String wid)

Parameters:

store - store to write to

version - segment version to write

wid - id of this writer

Method Detail

flush

public void flush()
           throws java.io.IOException

Throws:

java.io.IOException

dropCache

public void dropCache()

writeList

public RecordId writeList(java.util.List<RecordId> list)
                   throws java.io.IOException

Writes a list record containing the given list of record identifiers.

Parameters:

list - list of record identifiers

Returns:

list record identifier

Throws:

java.io.IOException

writeString

public RecordId writeString(java.lang.String string)
                     throws java.io.IOException

Writes a string value record.

Parameters:

string - string to be written

Returns:

value record identifier

Throws:

java.io.IOException

writeBlob

public SegmentBlob writeBlob(Blob blob)
                      throws java.io.IOException

Throws:

java.io.IOException

writeStream

public SegmentBlob writeStream(java.io.InputStream stream)
                        throws java.io.IOException

Writes a stream value record. The given stream is consumed and closed by this method.

Parameters:

stream - stream to be written

Returns:

value record identifier

Throws:

java.io.IOException - if the stream could not be read

writeProperty

public RecordId writeProperty(PropertyState state)
                       throws java.io.IOException

Throws:

java.io.IOException

writeTemplate

public RecordId writeTemplate(Template template)
                       throws java.io.IOException

Throws:

java.io.IOException

writeNode

public SegmentNodeState writeNode(NodeState state)
                           throws java.io.IOException

Throws:

java.io.IOException