org.apache.jackrabbit.core.journal

Class FileRecordIterator

java.lang.Object

org.apache.jackrabbit.core.journal.FileRecordIterator

All Implemented Interfaces:

RecordIterator

public class FileRecordIterator
extends Object
implements RecordIterator

Record cursor that returns unseen revisions in ascending order on every iteration.

Constructor Summary

Constructors

Constructor and Description
FileRecordIterator(File[] logFiles, long startRevision, long stopRevision, NamespaceResolver resolver, NamePathResolver npResolver) Creates a new instance of this class.

Method Summary

Modifier and Type	Method and Description
void	close() Close this cursor, releasing its resources.
boolean	hasNext() Return a flag indicating whether there are next records.
Record	nextRecord() Return the next record.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileRecordIterator

public FileRecordIterator(File[] logFiles,
                          long startRevision,
                          long stopRevision,
                          NamespaceResolver resolver,
                          NamePathResolver npResolver)

Creates a new instance of this class.

Parameters:

logFiles - available log files, sorted ascending by age

startRevision - start point (exclusive)

stopRevision - stop point (inclusive)

Method Detail

hasNext

public boolean hasNext()

Return a flag indicating whether there are next records.

Specified by:

hasNext in interface RecordIterator

Returns:

true if there are more records; false otherwise

nextRecord

public Record nextRecord()
                  throws NoSuchElementException,
                         JournalException

Return the next record. If there are no more records, throws a NoSuchElementException. If an error occurs, throws a JournalException.

Specified by:

nextRecord in interface RecordIterator

Returns:

next record

Throws:

NoSuchElementException - if there are no more records

JournalException - if another error occurs

close

public void close()

Close this cursor, releasing its resources.

Specified by:

close in interface RecordIterator