package org.dive4elements.river.client.client.services;

import java.util.List;

import com.google.gwt.user.client.rpc.RemoteService;
import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;

import org.dive4elements.river.client.shared.exceptions.ServerException;
import org.dive4elements.river.client.shared.model.Artifact;
import org.dive4elements.river.client.shared.model.Data;

/**
 * This interface provides artifact specific operation FEED.
 */
@RemoteServiceRelativePath("feed")
public interface FeedService extends RemoteService {

    /**
     * Inserts new data into an existing artifact.
     *
     * @param locale The locale used for the request.
     * @param artifact The artifact.
     * @param data The data that should be inserted.
     *
     * @return the artifact which description might have been changed.
     */
    public Artifact feed(
        String   locale,
        Artifact artifact,
        Data[]   data)
    throws ServerException;


    /**
     * Inserts (the same) new data into existing artifacts.
     *
     * @param locale The locale used for the request.
     * @param artifact The artifact.
     * @param data The data that should be inserted.
     *
     * @return the artifact which description might have been changed.
     */
    public List<Artifact> feedMany(
        String         locale,
        List<Artifact> artifacts,
        Data[]         data)
    throws ServerException;
}
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