Package org.apache.manifoldcf.crawler.jobs

Class EventManager

java.lang.Object

org.apache.manifoldcf.core.database.BaseTable

org.apache.manifoldcf.crawler.jobs.EventManager

public class EventManager
extends BaseTable

This class manages the events table. A row in this table indicates that a specific event sequence is in progress. For example, a login sequence for a specific web domain may be underway. During the time that the event is taking place, no documents that depend on that event will be queued for processing.

events

Field	Type	Description
name	VARCHAR(255)	Primary Key
processid	VARCHAR(16)

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	_rcsid
static java.lang.String	eventNameField
static java.lang.String	processIDField

Fields inherited from class org.apache.manifoldcf.core.database.BaseTable

dbInterface, tableName

Constructor Summary

Constructors

Constructor	Description
EventManager(IDBInterface database)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	createEvent(java.lang.String eventName, java.lang.String processID)	Atomically create an event - and return false if the event already exists
void	deinstall()	Uninstall.
void	destroyEvent(java.lang.String eventName)	Destroy an event
void	install()	Install or upgrade this table.
void	restart()	Clean up after all processIDs.
void	restart(java.lang.String processID)	Prepare for restart.
void	restartCluster()	Restart cluster.

Methods inherited from class org.apache.manifoldcf.core.database.BaseTable

addTableIndex, analyzeTable, beginTransaction, buildConjunctionClause, constructCountClause, constructDistinctOnClause, constructDoubleCastClause, constructOffsetLimitClause, constructRegexpClause, constructSubstringClause, endTransaction, findConjunctionClauseMax, getDatabaseCacheKey, getDBInterface, getMaxInClause, getMaxOrClause, getSleepAmt, getTableIndexes, getTableName, getTableSchema, getTransactionID, getWindowedReportMaxRows, makeTableKey, noteModifications, performAddIndex, performAlter, performCommit, performCreate, performDelete, performDrop, performInsert, performModification, performQuery, performQuery, performRemoveIndex, performUpdate, prepareRowForSave, readRow, reindexTable, signalRollback, sleepFor

Methods inherited from class java.lang.Object

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

Field Detail

_rcsid

public static final java.lang.String _rcsid

See Also:

Constant Field Values

eventNameField

public static final java.lang.String eventNameField

See Also:

Constant Field Values

processIDField

public static final java.lang.String processIDField

See Also:

Constant Field Values

Constructor Detail

EventManager

public EventManager(IDBInterface database)
             throws ManifoldCFException

Constructor.

Parameters:

database - is the database handle.

Throws:

ManifoldCFException

Method Detail

install

public void install()
             throws ManifoldCFException

Install or upgrade this table.

Throws:

ManifoldCFException

deinstall

public void deinstall()
               throws ManifoldCFException

Uninstall.

Throws:

ManifoldCFException

restart

public void restart(java.lang.String processID)
             throws ManifoldCFException

Prepare for restart.

Parameters:

processID - is the processID to restart.

Throws:

ManifoldCFException

restart

public void restart()
             throws ManifoldCFException

Clean up after all processIDs.

Throws:

ManifoldCFException

restartCluster

public void restartCluster()
                    throws ManifoldCFException

Restart cluster.

Throws:

ManifoldCFException

createEvent

public void createEvent(java.lang.String eventName,
                        java.lang.String processID)
                 throws ManifoldCFException

Atomically create an event - and return false if the event already exists

Throws:

ManifoldCFException

destroyEvent

public void destroyEvent(java.lang.String eventName)
                  throws ManifoldCFException

Destroy an event

Throws:

ManifoldCFException