Package com.github.ddth.queue.impl

Class AbstractQueueFactory<T extends AbstractQueue<ID,DATA>,ID,DATA>

java.lang.Object

com.github.ddth.queue.impl.AbstractQueueFactory<T,ID,DATA>

Type Parameters:

T -

ID -

DATA -

All Implemented Interfaces:

IQueueFactory<ID,DATA>, AutoCloseable

Direct Known Subclasses:

ActiveMqQueueFactory, BaseRedisQueueFactory, DisruptorQueueFactory, InmemQueueFactory, JdbcQueueFactory, KafkaQueueFactory, MongodbQueueFactory, RabbitMqQueueFactory, RocksDbQueueFactory

public abstract class AbstractQueueFactory<T extends AbstractQueue<ID,DATA>,ID,DATA>
extends Object
implements IQueueFactory<ID,DATA>, AutoCloseable

Abstract queue factory implementation.

Author:

Thanh Nguyen

Constructor Summary

Constructors

Constructor	Description
AbstractQueueFactory()

Method Summary

Modifier and Type	Method	Description
void	close()
protected T	createAndInitQueue(QueueSpec spec)	Create & initialize a new queue instance.
protected abstract T	createQueueInstance(QueueSpec spec)	Create a new queue instance.
void	destroy()
boolean	getDefaultEphemeralDisabled()
int	getDefaultEphemeralMaxSize()
int	getDefaultMaxSize()
T	getQueue(QueueSpec spec)	Gets an IQueue instance.
AbstractQueueFactory<T,ID,DATA>	init()
protected void	initQueue(T queue, QueueSpec spec)	Initialize a newly created queue instance.
boolean	isDefaultEphemeralDisabled()
AbstractQueueFactory<T,ID,DATA>	setDefaultEphemeralDisabled(boolean defaultEphemeralDisabled)
AbstractQueueFactory<T,ID,DATA>	setDefaultEphemeralMaxSize(int defaultEphemeralMaxSize)
AbstractQueueFactory<T,ID,DATA>	setDefaultMaxSize(int defaultMaxSize)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractQueueFactory

public AbstractQueueFactory()

Method Detail

isDefaultEphemeralDisabled

public boolean isDefaultEphemeralDisabled()

Returns:

Since:

0.6.2

getDefaultEphemeralDisabled

public boolean getDefaultEphemeralDisabled()

Returns:

Since:

0.6.2

setDefaultEphemeralDisabled

public AbstractQueueFactory<T,ID,DATA> setDefaultEphemeralDisabled(boolean defaultEphemeralDisabled)

Parameters:

defaultEphemeralDisabled -

Since:

0.6.2

getDefaultMaxSize

public int getDefaultMaxSize()

Returns:

Since:

0.6.2

setDefaultMaxSize

public AbstractQueueFactory<T,ID,DATA> setDefaultMaxSize(int defaultMaxSize)

Parameters:

defaultMaxSize -

Since:

0.6.2

getDefaultEphemeralMaxSize

public int getDefaultEphemeralMaxSize()

Returns:

Since:

0.6.2

setDefaultEphemeralMaxSize

public AbstractQueueFactory<T,ID,DATA> setDefaultEphemeralMaxSize(int defaultEphemeralMaxSize)

Parameters:

defaultEphemeralMaxSize -

Since:

0.6.2

init

public AbstractQueueFactory<T,ID,DATA> init()

destroy

public void destroy()

close

public void close()

Specified by:

close in interface AutoCloseable

createQueueInstance

protected abstract T createQueueInstance(QueueSpec spec)

Create a new queue instance.

Called by createAndInitQueue(QueueSpec). Sub-class is to implement this method.

Parameters:

spec -

Returns:

initQueue

protected void initQueue(T queue,
                         QueueSpec spec)
                  throws Exception

Initialize a newly created queue instance.

Called by createAndInitQueue(QueueSpec). Sub-class may override this method to implement its own business logic.

Parameters:

queue -

spec -

Throws:

Exception

createAndInitQueue

protected T createAndInitQueue(QueueSpec spec)
                        throws Exception

Create & initialize a new queue instance.

Parameters:

spec -

Returns:

Throws:

Exception

getQueue

public T getQueue(QueueSpec spec)

Gets an IQueue instance.

Specified by:

getQueue in interface IQueueFactory<T extends AbstractQueue<ID,DATA>,ID>

Parameters:

spec - concrete class defines format of spec.

Returns: