io.cereebro.core.CompositeRelationshipDetector Maven / Gradle / Ivy
/*
* Copyright © 2017 the original authors (http://cereebro.io)
*
* 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 io.cereebro.core;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
/**
* Aggregates the results of multiple relationship detectors.
*
* @author michaeltecourt
*/
public class CompositeRelationshipDetector implements RelationshipDetector {
private final List detectors;
/**
* Aggregates the results of multiple relationship detectors.
*
* @param detectors
* Relationship detectors to aggregate.
*/
public CompositeRelationshipDetector(Collection detectors) {
this.detectors = new ArrayList<>();
this.detectors.addAll(Objects.requireNonNull(detectors, "detectors required"));
}
@Override
public Set detect() {
// @formatter:off
return detectors.stream()
.map(RelationshipDetector::detect)
.flatMap(Collection::stream)
.collect(Collectors.toSet());
// @formatter:on
}
}