MatchAlgorithmAnd.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.matchers;
import java.util.List;
import java.util.Objects;
import javax.inject.Inject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import sir.wellington.alchemy.collections.lists.Lists;
import tech.aroma.thrift.Message;
import tech.aroma.thrift.reactions.AromaMatcher;
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 MatchAlgorithmAnd implements MatchAlgorithm
{
private final static Logger LOG = LoggerFactory.getLogger(MatchAlgorithmAnd.class);
private final MatcherFactory matcherFactory;
@Inject
MatchAlgorithmAnd(MatcherFactory matcherFactory)
{
checkThat(matcherFactory)
.is(notNull());
this.matcherFactory = matcherFactory;
}
@Override
public boolean matches(Message message, List<AromaMatcher> matchers)
{
if (Lists.isEmpty(matchers))
{
return false;
}
List<MessageMatcher> reactionMatchers = matchers
.stream()
.map(matcherFactory::matcherFor)
.filter(Objects::nonNull)
.collect(toList());
long totalMatches = reactionMatchers.stream()
.filter(matcher -> matcher.matches(message))
.count();
return totalMatches == matchers.size();
}
@Override
public String toString()
{
return "AndMatchAlgorithm{" + "matcherFactory=" + matcherFactory + '}';
}
}