org.apache.solr.update
Class UpdateHandler

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

All Implemented Interfaces:

SolrInfoMBean

Direct Known Subclasses:

DirectUpdateHandler, 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

Version:

$Id: UpdateHandler.java 1305693 2012-03-27 00:43:47Z janhoy $

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 Term	idTerm
protected static org.slf4j.Logger	log
protected Vector<SolrEventListener>	optimizeCallbacks
protected IndexSchema	schema

Constructor Summary

UpdateHandler(SolrCore core)

Method Summary

abstract int	addDoc(AddUpdateCommand cmd)
protected void	callPostCommitCallbacks()
protected void	callPostOptimizeCallbacks()
abstract void	close()
abstract void	commit(CommitUpdateCommand cmd)
protected SolrIndexWriter	createMainIndexWriter(String name, boolean removeAllExisting)
abstract void	delete(DeleteUpdateCommand cmd)
abstract void	deleteByQuery(DeleteUpdateCommand cmd)
protected String	getIndexedId(Document doc)
protected String	getIndexedIdOptional(Document doc)
protected Term	idTerm(String readableId)
abstract int	mergeIndexes(MergeIndexesCommand cmd)
void	registerCommitCallback(SolrEventListener listener) NOTE: this function is not thread safe.
void	registerOptimizeCallback(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, getSourceId, 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

idTerm

protected final Term idTerm

commitCallbacks

protected Vector<SolrEventListener> commitCallbacks

optimizeCallbacks

protected Vector<SolrEventListener> optimizeCallbacks

Constructor Detail

UpdateHandler

public UpdateHandler(SolrCore core)

Method Detail

callPostCommitCallbacks

protected void callPostCommitCallbacks()

callPostOptimizeCallbacks

protected void callPostOptimizeCallbacks()

createMainIndexWriter

protected SolrIndexWriter createMainIndexWriter(String name,
                                                boolean removeAllExisting)
                                         throws IOException

Throws:

IOException

idTerm

protected final Term idTerm(String readableId)

getIndexedId

protected final String getIndexedId(Document doc)

getIndexedIdOptional

protected final String getIndexedIdOptional(Document doc)

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

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

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