Package org.apache.solr.update

Class DirectUpdateHandler2

java.lang.Object

org.apache.solr.update.UpdateHandler

org.apache.solr.update.DirectUpdateHandler2

All Implemented Interfaces:

AutoCloseable, SolrInfoBean, SolrMetricProducer, SolrCoreState.IndexWriterCloser

public class DirectUpdateHandler2
extends UpdateHandler
implements SolrCoreState.IndexWriterCloser, SolrMetricProducer

DirectUpdateHandler2 implements an UpdateHandler where documents are added directly to the main Lucene index as opposed to adding to a separate smaller index.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.solr.core.SolrInfoBean

SolrInfoBean.Category, SolrInfoBean.Group

Field Summary

Fields

Modifier and Type	Field	Description
protected final CommitTracker	commitTracker
protected boolean	commitWithinSoftCommit
protected final CommitTracker	softCommitTracker
protected final SolrCoreState	solrCoreState

Fields inherited from class org.apache.solr.update.UpdateHandler

commitCallbacks, core, idField, idFieldType, optimizeCallbacks, softCommitCallbacks, solrMetricsContext, ulog

Constructor Summary

Constructors

Constructor	Description
DirectUpdateHandler2(SolrCore core)
DirectUpdateHandler2(SolrCore core, UpdateHandler updateHandler)

Method Summary

Modifier and Type	Method	Description
int	addDoc(AddUpdateCommand cmd)
void	clearIndex()
void	close()	Implementations should always call SolrMetricProducer.super.close() to ensure that metrics with the same life-cycle as this component are properly unregistered.
void	closeWriter(org.apache.lucene.index.IndexWriter writer)
void	commit(CommitUpdateCommand cmd)
void	delete(DeleteUpdateCommand cmd)
void	deleteByQuery(DeleteUpdateCommand cmd)
CommitTracker	getCommitTracker()
String	getDescription()	Simple one or two line description
String	getName()	Simple common usage name, e.g.
CommitTracker	getSoftCommitTracker()
SolrCoreState	getSolrCoreState()
UpdateLog	getUpdateLog()
void	initializeMetrics(SolrMetricsContext parentContext, String scope)	Initialize metrics specific to this producer.
int	mergeIndexes(MergeIndexesCommand cmd)
void	newIndexWriter(boolean rollback)	Called when the Writer should be opened again - eg when replication replaces all of the index files.
void	prepareCommit(CommitUpdateCommand cmd)
void	rollback(RollbackUpdateCommand cmd)
protected void	rollbackWriter()
protected boolean	shouldCommit(CommitUpdateCommand cmd, org.apache.lucene.index.IndexWriter writer)	Determines whether the commit command should effectively trigger a commit on the index writer.
void	split(SplitIndexCommand cmd)

Methods inherited from class org.apache.solr.update.UpdateHandler

callPostCommitCallbacks, callPostOptimizeCallbacks, callPostSoftCommitCallbacks, getCategory, getSolrMetricsContext, informEventListeners, initUlog, registerCommitCallback, registerOptimizeCallback, registerSoftCommitCallback

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.solr.metrics.SolrMetricProducer

getSolrMetricsContext

Field Details

solrCoreState

protected final SolrCoreState solrCoreState

commitTracker

protected final CommitTracker commitTracker

softCommitTracker

protected final CommitTracker softCommitTracker

commitWithinSoftCommit

protected boolean commitWithinSoftCommit

Constructor Details

DirectUpdateHandler2

public DirectUpdateHandler2(SolrCore core)

DirectUpdateHandler2

public DirectUpdateHandler2(SolrCore core,
 UpdateHandler updateHandler)

Method Details

initializeMetrics

public void initializeMetrics(SolrMetricsContext parentContext,
 String scope)

Description copied from interface: SolrMetricProducer

Initialize metrics specific to this producer.

Specified by:

initializeMetrics in interface SolrMetricProducer

Parameters:

parentContext - parent metrics context. If this component has the same life-cycle as the parent it can simply use the parent context, otherwise it should obtain a child context using SolrMetricsContext.getChildContext(Object) passing this as the child object.

scope - component scope

rollbackWriter

protected void rollbackWriter()
                       throws IOException

Throws:

IOException

addDoc

public int addDoc(AddUpdateCommand cmd)
           throws IOException

Specified by:

addDoc in class UpdateHandler

Throws:

IOException

delete

public void delete(DeleteUpdateCommand cmd)
            throws IOException

Specified by:

delete in class UpdateHandler

Throws:

IOException

clearIndex

public void clearIndex()
                throws IOException

Throws:

IOException

deleteByQuery

public void deleteByQuery(DeleteUpdateCommand cmd)
                   throws IOException

Specified by:

deleteByQuery in class UpdateHandler

Throws:

IOException

mergeIndexes

public int mergeIndexes(MergeIndexesCommand cmd)
                 throws IOException

Specified by:

mergeIndexes in class UpdateHandler

Throws:

IOException

prepareCommit

public void prepareCommit(CommitUpdateCommand cmd)
                   throws IOException

Throws:

IOException

commit

public void commit(CommitUpdateCommand cmd)
            throws IOException

Specified by:

commit in class UpdateHandler

Throws:

IOException

shouldCommit

protected boolean shouldCommit(CommitUpdateCommand cmd,
 org.apache.lucene.index.IndexWriter writer)
                        throws IOException

Determines whether the commit command should effectively trigger a commit on the index writer. This method is called with the commit lock and is the last step before effectively calling IndexWriter.commit().

Throws:

IOException

newIndexWriter

public void newIndexWriter(boolean rollback)
                    throws IOException

Description copied from class: UpdateHandler

Called when the Writer should be opened again - eg when replication replaces all of the index files.

Specified by:

newIndexWriter in class UpdateHandler

Parameters:

rollback - IndexWriter if true else close

Throws:

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

rollback

public void rollback(RollbackUpdateCommand cmd)
              throws IOException

Specified by:

rollback in class UpdateHandler

Throws:

IOException

Since:

Solr 1.4

getUpdateLog

public UpdateLog getUpdateLog()

Specified by:

getUpdateLog in class UpdateHandler

close

public void close()
           throws IOException

Description copied from interface: SolrMetricProducer

Implementations should always call SolrMetricProducer.super.close() to ensure that metrics with the same life-cycle as this component are properly unregistered. This prevents obscure memory leaks.

from: https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html While this interface method is declared to throw Exception, implementers are strongly encouraged to declare concrete implementations of the close method to throw more specific exceptions, or to throw no exception at all if the close operation cannot fail.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface SolrMetricProducer

Throws:

IOException

closeWriter

public void closeWriter(org.apache.lucene.index.IndexWriter writer)
                 throws IOException

Specified by:

closeWriter in interface SolrCoreState.IndexWriterCloser

Throws:

IOException

split

public void split(SplitIndexCommand cmd)
           throws IOException

Specified by:

split in class UpdateHandler

Throws:

IOException

getName

public String getName()

Description copied from interface: SolrInfoBean

Simple common usage name, e.g. BasicQueryHandler, or fully qualified class name.

Specified by:

getName in interface SolrInfoBean

getDescription

public String getDescription()

Description copied from interface: SolrInfoBean

Simple one or two line description

Specified by:

getDescription in interface SolrInfoBean

getSolrCoreState

public SolrCoreState getSolrCoreState()

Specified by:

getSolrCoreState in class UpdateHandler

getCommitTracker

public CommitTracker getCommitTracker()

getSoftCommitTracker

public CommitTracker getSoftCommitTracker()