org.usergrid.services.users.following.FollowingService Maven / Gradle / Ivy

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Service layer for Usergrid system.

There is a newer version: 0.0.27.1

package org.usergrid.services.users.following;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.task.TaskExecutor;
import org.usergrid.persistence.ConnectionRef;
import org.usergrid.persistence.EntityRef;
import org.usergrid.services.AbstractConnectionsService;

public class FollowingService extends AbstractConnectionsService {

	private static final Logger logger = LoggerFactory
			.getLogger(FollowingService.class);

	@Override
	public ConnectionRef createConnection(EntityRef connectingEntity,
			String connectionType, EntityRef connectedEntityRef)
			throws Exception {
		copyActivityFeed(connectingEntity, connectedEntityRef);
		return em.createConnection(connectingEntity, connectionType,
				connectedEntityRef);
	}

	@Override
	public void deleteConnection(ConnectionRef connectionRef) throws Exception {
		em.deleteConnection(connectionRef);
	}

	public void copyActivityFeed(final EntityRef connectingEntity,
			final EntityRef connectedEntityRef) throws Exception {
		logger.info("Copying activities to feed...");
		TaskExecutor taskExecutor = (TaskExecutor) getApplicationContext().getBean("taskExecutor");
		taskExecutor.execute(new Runnable() {
			@Override
			public void run() {
				try {
					em.copyRelationships(connectedEntityRef, "activities",
							connectingEntity, "feed");
				} catch (Exception e) {
					logger.error("Error while copying activities into feed", e);
				}
			}
		});
	}

}