org.apache.solr.update
Class UpdateHandler

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

All Implemented Interfaces:

SolrInfoMBean

Direct Known Subclasses:

DirectUpdateHandler2

public abstract class UpdateHandler
extends Object
implements SolrInfoMBean

UpdateHandler handles requests to change the index (adds, deletes, commits, optimizes, etc).

Since:

solr 0.9

Nested Class Summary

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

SolrInfoMBean.Category

Field Summary

protected Vector<SolrEventListener>	commitCallbacks
protected SolrCore	core
protected SchemaField	idField
protected FieldType	idFieldType
protected static org.slf4j.Logger	log
protected Vector<SolrEventListener>	optimizeCallbacks
protected IndexSchema	schema
protected Vector<SolrEventListener>	softCommitCallbacks
protected UpdateLog	ulog

Constructor Summary

UpdateHandler(SolrCore core)

Method Summary

abstract int	addDoc(AddUpdateCommand cmd)
protected void	callPostCommitCallbacks()
protected void	callPostOptimizeCallbacks()
protected void	callPostSoftCommitCallbacks()
abstract void	close()
abstract void	commit(CommitUpdateCommand cmd)
abstract void	decref() Called when a SolrCore using this UpdateHandler is closed.
abstract void	delete(DeleteUpdateCommand cmd)
abstract void	deleteByQuery(DeleteUpdateCommand cmd)
abstract SolrCoreState	getSolrCoreState()
abstract UpdateLog	getUpdateLog()
abstract void	incref() Called when this UpdateHandler is shared with another SolrCore.
abstract int	mergeIndexes(MergeIndexesCommand cmd)
abstract void	newIndexWriter() Called when the Writer should be opened again - eg when replication replaces all of the index files.
void	registerCommitCallback(SolrEventListener listener) NOTE: this function is not thread safe.
void	registerOptimizeCallback(SolrEventListener listener) NOTE: this function is not thread safe.
void	registerSoftCommitCallback(SolrEventListener listener) NOTE: this function is not thread safe.
abstract void	rollback(RollbackUpdateCommand cmd)

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.core.SolrInfoMBean

getCategory, getDescription, getDocs, getName, getSource, getStatistics, getVersion

Field Detail

log

protected static final org.slf4j.Logger log

core

protected final SolrCore core

schema

protected final IndexSchema schema

idField

protected final SchemaField idField

idFieldType

protected final FieldType idFieldType

commitCallbacks

protected Vector<SolrEventListener> commitCallbacks

softCommitCallbacks

protected Vector<SolrEventListener> softCommitCallbacks

optimizeCallbacks

protected Vector<SolrEventListener> optimizeCallbacks

ulog

protected UpdateLog ulog

Constructor Detail

UpdateHandler

public UpdateHandler(SolrCore core)

Method Detail

decref

public abstract void decref()

Called when a SolrCore using this UpdateHandler is closed.

incref

public abstract void incref()

Called when this UpdateHandler is shared with another SolrCore.

callPostCommitCallbacks

protected void callPostCommitCallbacks()

callPostSoftCommitCallbacks

protected void callPostSoftCommitCallbacks()

callPostOptimizeCallbacks

protected void callPostOptimizeCallbacks()

newIndexWriter

public abstract void newIndexWriter()
                             throws IOException

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

Throws:

IOException

getSolrCoreState

public abstract SolrCoreState getSolrCoreState()

addDoc

public abstract int addDoc(AddUpdateCommand cmd)
                    throws IOException

Throws:

IOException

delete

public abstract void delete(DeleteUpdateCommand cmd)
                     throws IOException

Throws:

IOException

deleteByQuery

public abstract void deleteByQuery(DeleteUpdateCommand cmd)
                            throws IOException

Throws:

IOException

mergeIndexes

public abstract int mergeIndexes(MergeIndexesCommand cmd)
                          throws IOException

Throws:

IOException

commit

public abstract void commit(CommitUpdateCommand cmd)
                     throws IOException

Throws:

IOException

rollback

public abstract void rollback(RollbackUpdateCommand cmd)
                       throws IOException

Throws:

IOException

close

public abstract void close()
                    throws IOException

Throws:

IOException

getUpdateLog

public abstract UpdateLog getUpdateLog()

registerCommitCallback

public void registerCommitCallback(SolrEventListener listener)

NOTE: this function is not thread safe. However, it is safe to call within the inform( SolrCore core ) function for SolrCoreAware classes. Outside inform, this could potentially throw a ConcurrentModificationException

See Also:

SolrCoreAware

registerSoftCommitCallback

public void registerSoftCommitCallback(SolrEventListener listener)

NOTE: this function is not thread safe. However, it is safe to call within the inform( SolrCore core ) function for SolrCoreAware classes. Outside inform, this could potentially throw a ConcurrentModificationException

See Also:

SolrCoreAware

registerOptimizeCallback

public void registerOptimizeCallback(SolrEventListener listener)

NOTE: this function is not thread safe. However, it is safe to call within the inform( SolrCore core ) function for SolrCoreAware classes. Outside inform, this could potentially throw a ConcurrentModificationException

See Also:

SolrCoreAware