plugins/org.eclipse.app4mc.amalthea.import.btf/src/org/eclipse/app4mc/amalthea/_import/btf/model/BTFCountMetric.java

package org.eclipse.app4mc.amalthea._import.btf.model;

import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.eclipse.app4mc.amalthea.model.ProcessEventType;
import org.eclipse.app4mc.amalthea.model.RunnableEventType;
import org.eclipse.emf.common.util.Enumerator;

public enum BTFCountMetric {

	activations(ProcessEventType.ACTIVATE),
	preemptions(ProcessEventType.PREEMPT),
	suspensions(RunnableEventType.SUSPEND);

	public final Enumerator eventToCount;
	public final BTFEntityType entityType;

	private BTFCountMetric(final Enumerator eventToCount) {
		this.eventToCount = eventToCount;
		String entityTypeName = eventToCount.getClass().getSimpleName();
		entityTypeName = entityTypeName.substring(0, entityTypeName.indexOf("EventType")).toLowerCase();
		this.entityType = BTFEntityType.getForName(entityTypeName);
	}
	
	public static List<Enumerator> getInvolvedBTFEventsForEntityType(final BTFEntityType entityType) {
		return Stream.of(BTFCountMetric.values()).filter(cm -> cm.entityType == entityType)
				.map(cm -> cm.eventToCount).collect(Collectors.toList());
	}

}