java.lang.Object
- jadex.platform.service.servicepool.ServiceHandler

All Implemented Interfaces:

java.lang.reflect.InvocationHandler
```
public class ServiceHandler
extends java.lang.Object
implements java.lang.reflect.InvocationHandler
```
The service handler is used as service implementation for proxy services. Incoming calls will be served by instances from the pool.

Field Summary

Fields
Modifier and Type	Field	Description
`protected java.util.Set<IService>`	`allservices`	All services.
`protected IClockService`	`clock`	The clock service.
`protected IInternalAccess`	`component`	The component.
`protected java.lang.String`	`componentname`	The worker component name.
`protected java.util.Map<IService,ITimer>`	`idleservices`	Map of idle services.
`protected CreationInfo`	`info`	The creation info.
`protected java.util.List<java.lang.Object[]>`	`queue`	A queue of open requests.
`protected java.lang.Class<?>`	`servicetype`	The service type.
`protected IPoolStrategy`	`strategy`	The strategy.

Constructor Summary

Constructors
Constructor	Description
`ServiceHandler(IInternalAccess component, java.lang.Class<?> servicetype, IPoolStrategy strategy, java.lang.String componentname, CreationInfo info)`	Create a new service handler.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected void`	`addFreeService(IService service)`	Called when a service becomes idle.
`protected IFuture<IService>`	`createService()`
`protected IFuture<ITimer>`	`createTimer(long delay, ITimedObject to)`	Create a timer via the clock service.
`protected IFuture<IClockService>`	`getClockService()`	Get the clockservice (cached).
`IFuture<java.lang.Void>`	`init()`	Init.
`java.lang.Object`	`invoke(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args)`	Callback of the invocation handler interface.
`protected void`	`invokeService(IService service, java.lang.reflect.Method method, java.lang.Object[] args, Future<?> ret, ServiceCall call)`	Execute a task on a service.
`protected IFuture<java.lang.Void>`	`removeService(IService service)`	Remove a service and the worker.
`java.lang.String`	`toString()`	Get the string representation.
`protected IFuture<java.lang.Void>`	`updateWorkerTimer(IService service)`	Update the worker timer by: - creating a timer (if timeout) - updating the service pool entry for the service (service, timer)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

component
```
protected IInternalAccess component
```
The component.

servicetype

protected java.lang.Class<?> servicetype

The service type.

idleservices

protected java.util.Map<IService,ITimer> idleservices

Map of idle services.

allservices

protected java.util.Set<IService> allservices

All services.

queue

protected java.util.List<java.lang.Object[]> queue

A queue of open requests.

strategy
```
protected IPoolStrategy strategy
```
The strategy.

componentname

protected java.lang.String componentname

The worker component name.

clock
```
protected IClockService clock
```
The clock service.

info
```
protected CreationInfo info
```
The creation info.

Constructor Detail

ServiceHandler

public ServiceHandler(IInternalAccess component,
                      java.lang.Class<?> servicetype,
                      IPoolStrategy strategy,
                      java.lang.String componentname,
                      CreationInfo info)

Create a new service handler.

Method Detail

init
```
public IFuture<java.lang.Void> init()
```
Init.

invoke

public java.lang.Object invoke(java.lang.Object proxy,
                               java.lang.reflect.Method method,
                               java.lang.Object[] args)
                        throws java.lang.Throwable

Callback of the invocation handler interface.

Specified by:: invoke in interface java.lang.reflect.InvocationHandler
Throws:: java.lang.Throwable

createService

protected IFuture<IService> createService()

addFreeService

protected void addFreeService(IService service)

Called when a service becomes idle.

updateWorkerTimer
```
protected IFuture<java.lang.Void> updateWorkerTimer(IService service)
```
Update the worker timer by: - creating a timer (if timeout) - updating the service pool entry for the service (service, timer)

invokeService

protected void invokeService(IService service,
                             java.lang.reflect.Method method,
                             java.lang.Object[] args,
                             Future<?> ret,
                             ServiceCall call)

Execute a task on a service.

removeService

protected IFuture<java.lang.Void> removeService(IService service)

Remove a service and the worker.

getClockService

protected IFuture<IClockService> getClockService()

Get the clockservice (cached).

createTimer

protected IFuture<ITimer> createTimer(long delay,
                                      ITimedObject to)

Create a timer via the clock service.

toString
```
public java.lang.String toString()
```
Get the string representation.

Overrides:

toString in class java.lang.Object

Class ServiceHandler