RunThroughFollowerInboxesAction.java
/*
* Copyright 2016 RedRoma, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package tech.aroma.application.service.reactions.actions;
import java.util.List;
import org.apache.thrift.TException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sir.wellington.alchemy.collections.lists.Lists;
import tech.aroma.data.FollowerRepository;
import tech.aroma.thrift.Message;
import tech.aroma.thrift.User;
import tech.sirwellington.alchemy.annotations.access.Internal;
import tech.sirwellington.alchemy.annotations.designs.patterns.StrategyPattern;
import static java.util.stream.Collectors.toList;
import static tech.sirwellington.alchemy.annotations.designs.patterns.StrategyPattern.Role.CONCRETE_BEHAVIOR;
import static tech.sirwellington.alchemy.arguments.Arguments.checkThat;
import static tech.sirwellington.alchemy.arguments.assertions.Assertions.notNull;
/**
*
* @author SirWellington
*/
@Internal
@StrategyPattern(role = CONCRETE_BEHAVIOR)
final class RunThroughFollowerInboxesAction implements Action
{
private final static Logger LOG = LoggerFactory.getLogger(RunThroughFollowerInboxesAction.class);
private final ActionFactory factory;
private final FollowerRepository followerRepo;
RunThroughFollowerInboxesAction(ActionFactory factory, FollowerRepository followerRepo)
{
checkThat(factory, followerRepo)
.are(notNull());
this.factory = factory;
this.followerRepo = followerRepo;
}
@Override
public List<Action> actOnMessage(Message message) throws TException
{
Action.checkMessage(message);
String appId = message.applicationId;
List<User> followers = followerRepo.getApplicationFollowers(appId);
followers = Lists.nullToEmpty(followers);
LOG.debug("Creating {} additional actions to run through Follower Inboxes for App {}", followers.size(), appId);
return followers.stream()
.map(user -> factory.actionToRunThroughInbox(user))
.collect(toList());
}
@Override
public String toString()
{
return "RunThroughFollowerInboxesActions{" + "factory=" + factory + ", followerRepo=" + followerRepo + '}';
}
}