eventcenter.leveldb.tx

类 TxnQueueComponent

java.lang.Object

eventcenter.leveldb.tx.TxnQueueComponent

public class TxnQueueComponent
extends Object

作者:

liumingjian

构造器概要

构造器

构造器和说明
TxnQueueComponent(String queueName, org.iq80.leveldb.DB db)

方法概要

限定符和类型	方法和说明
void	commit(EventTxnStatus txnStatus)
int	countOfTxn() 当前未提交的事务数量，这个方法调用会消耗一定性能，调用过程中需要通过线程锁，保证获取的数据是最新的，所以尽可能的减少调用
Integer	getDiscardCapacity()
Integer	getFailureCapacity()
Integer	getRetryCount()
Integer	getTxnCapacity()
EventTxnStatus	getTxnStatus(String eventId, Class<? extends EventListener> listenerType, String txnId)
EventTxnStatus	getTxnStatus(String eventId, Class<? extends EventListener> listenerType, String txnId, org.iq80.leveldb.WriteBatch writeBatch)
void	houseKeeping()
boolean	isOpenRetry()
void	open()
void	resumeTxn(ResumeTxnHandler handler)
void	setDiscardCapacity(Integer discardCapacity)
void	setFailureCapacity(Integer failureCapacity)
void	setOpenRetry(boolean openRetry)
void	setRetryCount(Integer retryCount)
void	setTxnCapacity(Integer txnCapacity)
void	shutdown()

从类继承的方法 java.lang.Object

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

构造器详细资料

TxnQueueComponent

public TxnQueueComponent(String queueName,
                         org.iq80.leveldb.DB db)

方法详细资料

open

public void open()
          throws IOException

抛出:

IOException

countOfTxn

public int countOfTxn()
               throws Exception

当前未提交的事务数量，这个方法调用会消耗一定性能，调用过程中需要通过线程锁，保证获取的数据是最新的，所以尽可能的减少调用

返回:

抛出:

Exception

shutdown

public void shutdown()

getTxnCapacity

public Integer getTxnCapacity()

setTxnCapacity

public void setTxnCapacity(Integer txnCapacity)

getFailureCapacity

public Integer getFailureCapacity()

setFailureCapacity

public void setFailureCapacity(Integer failureCapacity)

getDiscardCapacity

public Integer getDiscardCapacity()

setDiscardCapacity

public void setDiscardCapacity(Integer discardCapacity)

getRetryCount

public Integer getRetryCount()

setRetryCount

public void setRetryCount(Integer retryCount)

isOpenRetry

public boolean isOpenRetry()

setOpenRetry

public void setOpenRetry(boolean openRetry)

resumeTxn

public void resumeTxn(ResumeTxnHandler handler)
               throws IllegalAccessException,
                      IOException

抛出:

IllegalAccessException

IOException

getTxnStatus

public EventTxnStatus getTxnStatus(String eventId,
                                   Class<? extends EventListener> listenerType,
                                   String txnId)
                            throws Exception

抛出:

Exception

getTxnStatus

public EventTxnStatus getTxnStatus(String eventId,
                                   Class<? extends EventListener> listenerType,
                                   String txnId,
                                   org.iq80.leveldb.WriteBatch writeBatch)
                            throws Exception

抛出:

Exception

commit

public void commit(EventTxnStatus txnStatus)
            throws Exception

抛出:

Exception

houseKeeping

public void houseKeeping()
                  throws IOException

抛出:

IOException