EventBusExamples.java

import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.LockSupport;

import org.openhab.automation.javascripting.scriptsupport.Script;
import org.openhab.core.items.Item;
import org.openhab.core.library.items.NumberItem;
import org.openhab.core.library.types.DecimalType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class EventBusExamples extends Script {

    private Logger logger = LoggerFactory.getLogger("org.openhab.automation.javascripting.eventbus");

    @Override
    protected Object onLoad() {

        logger.info("Java onLoad()");

        events.sendCommand("Livingroom_Light", "OFF");

        Item item = itemRegistry.get("Morning_Temperature");

        ((NumberItem) item).setState(new DecimalType(0.0f));

        events.postUpdate(item, 37.2f);

        Number state = (Number) item.getState();
        logger.info("new State: {}", state.floatValue());

        LockSupport.parkNanos(TimeUnit.MILLISECONDS.toNanos(100));

        state = (Number) item.getState();
        logger.info("new State again: {}", state.floatValue());

        logger.info("eventbus done");
        
        return null;
    }
}