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

Nested Classes

Modifier and Type	Class and Description
static interface	SolrCoreState.IndexWriterCloser

Constructor Summary

Constructors

Constructor and Description
SolrCoreState()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	cancelRecovery()
abstract void	decref(SolrCoreState.IndexWriterCloser closer) Decrement the number of references to this state.
abstract void	doRecovery(CoreContainer cc, String name)
abstract DirectoryFactory	getDirectoryFactory()
abstract RefCounted<IndexWriter>	getIndexWriter(SolrCore core) Get the current IndexWriter.
Object	getUpdateLock()
abstract void	incref() Increment the number of references to this state.
abstract void	newIndexWriter(SolrCore core, boolean rollback) 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

Constructor Detail

SolrCoreState

public SolrCoreState()

Method Detail

getUpdateLock

public Object getUpdateLock()

newIndexWriter

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

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

Parameters:

core -

rollback - close IndexWriter if false, else rollback

Throws:

IOException

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

decref

public abstract void decref(SolrCoreState.IndexWriterCloser closer)
                     throws IOException

Decrement the number of references to this state. When then number of references hits 0, the state will close. If an optional closer is passed, that will be used to close the writer.

Throws:

IOException

incref

public abstract void incref()

Increment the number of references to this state.

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.

Parameters:

core -

Throws:

IOException

getDirectoryFactory

public abstract DirectoryFactory getDirectoryFactory()

Returns:

the DirectoryFactory that should be used.

doRecovery

public abstract void doRecovery(CoreContainer cc,
              String name)

cancelRecovery

public abstract void cancelRecovery()