/*******************************************************************************
 * Copyright (c) 2018 Robert Bosch GmbH.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Robert Bosch GmbH - initial API and implementation
 *******************************************************************************/

package app4mc.example.transform.m2m.transformers

import app4mc.example.transform.samplemodel.Model
import org.eclipse.app4mc.amalthea.model.Cache
import org.eclipse.app4mc.amalthea.model.ProcessingUnit
import org.eclipse.app4mc.transformation.ServiceConstants
import org.eclipse.app4mc.transformation.transformers.AbstractTransformer
import org.osgi.service.component.annotations.Activate
import org.osgi.service.component.annotations.Component
import org.osgi.service.component.annotations.ConfigurationPolicy
import org.osgi.service.component.annotations.Reference
import org.slf4j.LoggerFactory
import org.slf4j.Logger

@Component(
	configurationPid = ServiceConstants.SESSION_CONFIGURATION_PID,
	configurationPolicy = ConfigurationPolicy.REQUIRE,
	service=#[ProcessingUnitTransformer,AbstractTransformer]
)
class ProcessingUnitTransformer extends AbstractTransformer {

	static final Logger LOG = LoggerFactory.getLogger(typeof(AmaltheaModel2ModelTransformer));

	@Reference CacheTransformer cacheTransformer

	@Activate
	def package void activate() {
		LOG.debug("ProcessingUnitTransformer activated : "+this.hashCode)
	}

	def transfromProcessingUnit(ProcessingUnit hwModule, Model outputModel) {

		hwModule.caches.forEach [ puSpecificCache |
			// local cache : object creation
			val outputCache = cacheTransformer.transfromCache(puSpecificCache)
			outputModel.caches.add(outputCache)
		]

		hwModule?.accessElements?.forEach [ hwAccessElement |
			val referredCaches = hwAccessElement?.accessPath?.pathElements.filter [
				it instanceof Cache
			]

			referredCaches?.forEach [ referredCache |
				val outputCache = cacheTransformer.transfromCache(referredCache as Cache)
				LOG.info("Cache referred in path elements is : " + outputCache)
			]
		]

	}

}