at.molindo.esi4j.rebuild.util

Class IteratorRebuildSession

java.lang.Object

at.molindo.esi4j.rebuild.util.IteratorRebuildSession

All Implemented Interfaces:

Esi4JRebuildSession

public class IteratorRebuildSession
extends Object
implements Esi4JRebuildSession

Esi4JRebuildSession implementation using a simple Iterator

Constructor Summary

Constructors

Constructor and Description
IteratorRebuildSession(Class<?> type, Iterator<?> iterator, boolean ordered)

Method Summary

Modifier and Type	Method and Description
void	close() release resources.
Object	getMetadata()
List<?>	getNext(int batchSize) Must only be called after all elements of previous batch haven been processed.
Class<?>	getType()
boolean	isOrdered()

Methods inherited from class java.lang.Object

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

Constructor Detail

IteratorRebuildSession

public IteratorRebuildSession(Class<?> type,
                              Iterator<?> iterator,
                              boolean ordered)

Method Detail

getType

public Class<?> getType()

Specified by:

getType in interface Esi4JRebuildSession

Returns:

the type this session is for

isOrdered

public boolean isOrdered()

Specified by:

isOrdered in interface Esi4JRebuildSession

Returns:

true if session is ordered by id (and thus suited for ScrutineerRebuildProcessor)

getNext

public List<?> getNext(int batchSize)

Description copied from interface: Esi4JRebuildSession

Must only be called after all elements of previous batch haven been processed. Therefore, previous state may be cleared during any invocation.

Specified by:

getNext in interface Esi4JRebuildSession

Returns:

up to the given number of elements. empty list if no more data available

getMetadata

public Object getMetadata()

Specified by:

getMetadata in interface Esi4JRebuildSession

Returns:

an optional metadata object that will be written to index after successful rebuild. May be null. Metadata type must be mapped.

close

public void close()

Description copied from interface: Esi4JRebuildSession

release resources. Must always be called, even in case of errors.

Specified by:

close in interface Esi4JRebuildSession