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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package workpool;
import org.apache.tuscany.sca.core.context.CallableReferenceImpl;
import org.apache.tuscany.sca.databinding.annotation.DataBinding;
import org.apache.tuscany.sca.databinding.job.Job;
import org.osoa.sca.annotations.OneWay;
import org.osoa.sca.annotations.Remotable;
import org.osoa.sca.ServiceReference;
@DataBinding("org.apache.tuscany.sca.databinding.job.Job")
@Remotable
public interface WorkpoolService {
/* this the functional part */
void submit(Job i);
/* the time between two subsequent worker invocations */
double getServiceTime();
/* the number of ResultJob received */
long getJobComputed();
/* the time elapsed between the stream has initiated and now */
long getElapsedTime();
/* the size of the internal queue : it's not accurate */
int estimatedQueueSize();
/* the average time between two consuecutive submit */
double getArrivalTime();
void start();
void stop();
/*
* this is the part needed by management. May be in future i'll refactor it
* order to hide this part.
*/
@OneWay
void handleResult(Job j, boolean reuse, String string,
CallableReferenceImpl<WorkerService> worker, boolean newJob);
void addTrigger(CallableReferenceImpl<Trigger> reference);
void removeTrigger();
void registerManager(
CallableReferenceImpl<WorkpoolManager> createSelfReference);
/*
* This could placed in another interface definition - think about it These
* methods evict, and evictAll are needed when a worker finish to exist and
* it needs to be evicted by the WorkpoolManager. In the system I have two
* caches: 1) a domain cache, which holds the components URI 2) a
* workerReference cache (implemented by a ConcurrentHashMap), which holds a
* proxy to each worker. Every proxy gets built from the worker callable
* reference. I'm thinking for placing the workerReferenceCache in a local
* interface. Assuming that WorkpoolService and WorkpoolManager are in the
* same JVM.
*/
void evict(String workerURI);
void evictAll();
/*
* these two are no longer needed. I leave it because if i'll have time to
* do dynamic wiring the first one is needed. void PostWorkerName(String
* referenceName);
*/
void PostWorkerReference(CallableReferenceImpl<WorkerService> worker);
}
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