Package de.hdi.mongobumblebee.dao

Class ChangeEntryDao

java.lang.Object

de.hdi.mongobumblebee.dao.ChangeEntryDao

public class ChangeEntryDao
extends Object

Since:

27/07/2014

Author:

lstolowski

Constructor Summary

Constructors

Constructor	Description
ChangeEntryDao(String changelogCollectionName, String lockCollectionName, boolean waitForLock, long changeLogLockWaitTime, long changeLogLockPollRate, boolean throwExceptionIfCannotObtainLock)

Method Summary

Modifier and Type	Method	Description
boolean	acquireProcessLock()	Try to acquire process lock
void	close()
com.mongodb.client.MongoDatabase	connectMongoDb(com.mongodb.client.MongoClient mongoClient, String dbName)
boolean	isNewChange(ChangeEntry changeEntry)
boolean	isProccessLockHeld()
boolean	isThrowExceptionIfCannotObtainLock()
void	releaseProcessLock()
void	save(ChangeEntry changeEntry)
void	setChangelogCollectionName(String changelogCollectionName)
void	setIndexDao(ChangeEntryIndexDao changeEntryIndexDao)
void	setLockCollectionName(String lockCollectionName)
void	setThrowExceptionIfCannotObtainLock(boolean throwExceptionIfCannotObtainLock)

Methods inherited from class java.lang.Object

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

Constructor Details

ChangeEntryDao

public ChangeEntryDao(String changelogCollectionName,
 String lockCollectionName,
 boolean waitForLock,
 long changeLogLockWaitTime,
 long changeLogLockPollRate,
 boolean throwExceptionIfCannotObtainLock)

Method Details

connectMongoDb

public com.mongodb.client.MongoDatabase connectMongoDb(com.mongodb.client.MongoClient mongoClient,
 String dbName)
                                                throws MongoBumblebeeConfigurationException

Throws:

MongoBumblebeeConfigurationException

acquireProcessLock

public boolean acquireProcessLock()
                           throws MongoBumblebeeConnectionException,
MongoBumblebeeLockException

Try to acquire process lock

Returns:

true if successfully acquired, false otherwise

Throws:

MongoBumblebeeConnectionException - exception

MongoBumblebeeLockException - exception

releaseProcessLock

public void releaseProcessLock()
                        throws MongoBumblebeeConnectionException

Throws:

MongoBumblebeeConnectionException

isProccessLockHeld

public boolean isProccessLockHeld()
                           throws MongoBumblebeeConnectionException

Throws:

MongoBumblebeeConnectionException

isNewChange

public boolean isNewChange(ChangeEntry changeEntry)
                    throws MongoBumblebeeConnectionException

Throws:

MongoBumblebeeConnectionException

save

public void save(ChangeEntry changeEntry)
          throws MongoBumblebeeConnectionException

Throws:

MongoBumblebeeConnectionException

close

public void close()

setIndexDao

public void setIndexDao(ChangeEntryIndexDao changeEntryIndexDao)

setChangelogCollectionName

public void setChangelogCollectionName(String changelogCollectionName)

setLockCollectionName

public void setLockCollectionName(String lockCollectionName)

isThrowExceptionIfCannotObtainLock

public boolean isThrowExceptionIfCannotObtainLock()

setThrowExceptionIfCannotObtainLock

public void setThrowExceptionIfCannotObtainLock(boolean throwExceptionIfCannotObtainLock)