com.db4o.internal.fileheader

Class TimerFileLock

java.lang.Object

com.db4o.internal.fileheader.TimerFileLock

All Implemented Interfaces:

java.lang.Runnable

Direct Known Subclasses:

TimerFileLockDisabled, TimerFileLockEnabled

public abstract class TimerFileLock
extends java.lang.Object
implements java.lang.Runnable

Constructor Summary

Constructors

Constructor and Description
TimerFileLock()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	checkHeaderLock()
abstract void	checkIfOtherSessionAlive(LocalObjectContainer container, int address, int offset, long lastAccessTime)
abstract void	checkOpenTime()
abstract void	close()
static TimerFileLock	forFile(LocalObjectContainer file)
abstract boolean	lockFile()
abstract long	openTime()
abstract void	setAddresses(int baseAddress, int openTimeOffset, int accessTimeOffset)
abstract void	start()
abstract void	writeHeaderLock()
abstract void	writeOpenTime()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Runnable

run

Constructor Detail

TimerFileLock

public TimerFileLock()

Method Detail

forFile

public static TimerFileLock forFile(LocalObjectContainer file)

checkHeaderLock

public abstract void checkHeaderLock()

checkOpenTime

public abstract void checkOpenTime()

lockFile

public abstract boolean lockFile()

openTime

public abstract long openTime()

setAddresses

public abstract void setAddresses(int baseAddress,
                int openTimeOffset,
                int accessTimeOffset)

start

public abstract void start()
                    throws Db4oIOException

Throws:

Db4oIOException

writeHeaderLock

public abstract void writeHeaderLock()

writeOpenTime

public abstract void writeOpenTime()

close

public abstract void close()
                    throws Db4oIOException

Throws:

Db4oIOException

checkIfOtherSessionAlive

public abstract void checkIfOtherSessionAlive(LocalObjectContainer container,
                            int address,
                            int offset,
                            long lastAccessTime)
                                       throws Db4oIOException

Throws:

Db4oIOException