DefaultStorageListener.java

package gov.usgs.earthquake.distribution;

import gov.usgs.util.Config;
import gov.usgs.util.DefaultConfigurable;

import java.util.logging.Level;
import java.util.logging.Logger;

public class DefaultStorageListener extends DefaultConfigurable implements
        StorageListener {

    private static final Logger LOGGER = Logger
            .getLogger(DefaultStorageListener.class.getName());

    @Override
    public void configure(Config arg0) throws Exception {
        // Nothing to do for default configure
    }

    @Override
    public void shutdown() throws Exception {
        // Nothing to do for default shutdown
    }

    @Override
    public void startup() throws Exception {
        // Nothing to do for default startup
    }

    /**
     * Simple dispatch method for listeners who are only interested in certain
     * types of <code>StorageEvent</code>s.
     *
     * @param event
     *            The event that triggered the call
     */
    @Override
    public void onStorageEvent(StorageEvent event) {
        StorageEvent.StorageEventType type = event.getType();
        try {
            if (type == StorageEvent.PRODUCT_STORED) {
                onProductStored(event);
            } else if (type == StorageEvent.PRODUCT_REMOVED) {
                onProductRemoved(event);
            }
        } catch (Exception e) {
            LOGGER.log(Level.WARNING, "[" + getName() + "] exception processing storage event", e);
        }
    }

    /**
     * Dispatched method called when the type of event is
     * <code>StorageEvent.StorageEventType.PRODUCT_STORED</code>.
     *
     * @param event The event that triggered the call
     * @throws Exception if error occurs
     */
    public void onProductStored(StorageEvent event) throws Exception {
        LOGGER.info("onProductStored::" + event.getProductId().toString());
    }

    /**
     * Dispatched method called when the type of event is
     * <code>StorageEvent.StorageEventType.PRODUCT_REMOVED</code>.
     *
     * @param event The event that triggered the call
     * @throws Exception if error occurs
     */
    public void onProductRemoved(StorageEvent event) throws Exception {
        LOGGER.info("onProductRemoved::" + event.getProductId().toString());
    }

}