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

Constructor Summary

SolrCoreState()

Method Summary

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 IndexWriter	getIndexWriter(SolrCore core) Get the current IndexWriter.
abstract void	incref() Increment the number of references to this state.
abstract void	newIndexWriter(SolrCore core) 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

newIndexWriter

public abstract void newIndexWriter(SolrCore core)
                             throws IOException

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

Parameters:

core -

Throws:

IOException

getIndexWriter

public abstract 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()