org.eclipse.osbp.abstractstatemachine/src/org/eclipse/osbp/abstractstatemachine/POSServiceBinder.java

package org.eclipse.osbp.abstractstatemachine;

import org.eclipse.osbp.ui.api.pos.IPOSService;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.osgi.service.component.annotations.ReferenceCardinality;
import org.osgi.service.component.annotations.ReferencePolicy;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@Component
public class POSServiceBinder {
	/** The Constant LOGGER. */
	private static final Logger LOGGER = LoggerFactory.getLogger("servicebinder");

	public static IPOSService posService;

	@Reference(cardinality = ReferenceCardinality.OPTIONAL, policy = ReferencePolicy.DYNAMIC)
	public void bindPOSService(IPOSService posService) {
		LOGGER.debug(POSServiceBinder.class.getCanonicalName()+" bound");
		POSServiceBinder.posService = posService;
	}

	public void unbindPOSService(IPOSService posService) {
		LOGGER.debug(POSServiceBinder.class.getCanonicalName() + " unbound");
		POSServiceBinder.posService = null;
	}

	public static IPOSService getPosService() {
		return posService;
	}
}