org.apache.solr.update
Class SolrCoreState

java.lang.Object
  org.apache.solr.update.SolrCoreState

Direct Known Subclasses:

DefaultSolrCoreState

public abstract class SolrCoreState
extends Object

The state in this class can be easily shared between SolrCores across SolrCore reloads.

Nested Class Summary

static interface

SolrCoreState.IndexWriterCloser

Field Summary

protected boolean	closed
static org.slf4j.Logger	log

Constructor Summary

SolrCoreState()

Method Summary

abstract void	cancelRecovery()
abstract void	close(SolrCoreState.IndexWriterCloser closer)
boolean	decrefSolrCoreState(SolrCoreState.IndexWriterCloser closer)
abstract void	doRecovery(CoreContainer cc, CoreDescriptor cd)
abstract Lock	getCommitLock()
abstract DirectoryFactory	getDirectoryFactory()
abstract RefCounted<IndexWriter>	getIndexWriter(SolrCore core) Get the current IndexWriter.
Object	getUpdateLock()
void	increfSolrCoreState()
abstract void	newIndexWriter(SolrCore core, boolean rollback, boolean forceNewDir) Force the creation of a new IndexWriter using the settings from the given SolrCore.
abstract void	rollbackIndexWriter(SolrCore core) Rollback the current IndexWriter.

Methods inherited from class java.lang.Object

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

Field Detail

log

public static org.slf4j.Logger log

closed

protected boolean closed

Constructor Detail

SolrCoreState

public SolrCoreState()

Method Detail

getUpdateLock

public Object getUpdateLock()

increfSolrCoreState

public void increfSolrCoreState()

decrefSolrCoreState

public boolean decrefSolrCoreState(SolrCoreState.IndexWriterCloser closer)

getCommitLock

public abstract Lock getCommitLock()

newIndexWriter

public abstract void newIndexWriter(SolrCore core,
                                    boolean rollback,
                                    boolean forceNewDir)
                             throws IOException

Force the creation of a new IndexWriter using the settings from the given SolrCore.

Parameters:

rollback - close IndexWriter if false, else rollback

Throws:

IOException - If there is a low-level I/O error.

getIndexWriter

public abstract RefCounted<IndexWriter> getIndexWriter(SolrCore core)
                                                throws IOException

Get the current IndexWriter. If a new IndexWriter must be created, use the settings from the given SolrCore.

Throws:

IOException - If there is a low-level I/O error.

rollbackIndexWriter

public abstract void rollbackIndexWriter(SolrCore core)
                                  throws IOException

Rollback the current IndexWriter. When creating the new IndexWriter use the settings from the given SolrCore.

Throws:

IOException - If there is a low-level I/O error.

getDirectoryFactory

public abstract DirectoryFactory getDirectoryFactory()

Returns:

the DirectoryFactory that should be used.

doRecovery

public abstract void doRecovery(CoreContainer cc,
                                CoreDescriptor cd)

cancelRecovery

public abstract void cancelRecovery()

close

public abstract void close(SolrCoreState.IndexWriterCloser closer)