GetUserUnitsByUserAsyncHandler.java

package org.sigmah.offline.handler;

/*
 * #%L
 * Sigmah
 * %%
 * Copyright (C) 2010 - 2016 URD
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */

import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.inject.Inject;

import java.util.HashSet;
import java.util.Set;

import org.sigmah.client.dispatch.DispatchListener;
import org.sigmah.offline.dao.UserUnitAsyncDAO;
import org.sigmah.offline.dispatch.AsyncCommandHandler;
import org.sigmah.offline.dispatch.OfflineExecutionContext;
import org.sigmah.shared.command.GetUserUnitsByUser;
import org.sigmah.shared.command.GetUsersByOrgUnit;
import org.sigmah.shared.command.result.Authentication;
import org.sigmah.shared.command.result.ListResult;
import org.sigmah.shared.command.result.UserUnitsResult;
import org.sigmah.shared.dto.UserDTO;
import org.sigmah.shared.dto.orgunit.OrgUnitDTO;

public class GetUserUnitsByUserAsyncHandler implements AsyncCommandHandler<GetUserUnitsByUser, UserUnitsResult>,
	DispatchListener<GetUserUnitsByUser, UserUnitsResult> {

	private final UserUnitAsyncDAO userUnitDAO;

	@Inject GetUserUnitsByUserAsyncHandler(UserUnitAsyncDAO userUnitDAO) {
		this.userUnitDAO = userUnitDAO;
	}

	@Override
	public void execute(final GetUserUnitsByUser command, OfflineExecutionContext executionContext, final AsyncCallback<UserUnitsResult> callback) {
		userUnitDAO.get(command.getUserId(), new AsyncCallback<UserUnitsResult>() {
			@Override
			public void onFailure(Throwable caught) {
				callback.onFailure(caught);
			}

			@Override
			public void onSuccess(UserUnitsResult userUnitsResult) {
				callback.onSuccess(userUnitsResult);
			}
		});
	}

	@Override
	public void onSuccess(GetUserUnitsByUser command, UserUnitsResult result, Authentication authentication) {
		userUnitDAO.saveOrUpdate(result);
	}
}