io.cereebro.core.SystemFragment 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.Arrays;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import lombok.ToString;
/**
* Subset of a given System.
*
* @author michaeltecourt
*/
@ToString
public class SystemFragment {
private final Set componentRelationships;
/**
* Subset of a given System.
*
* @param rels
* known relationships.
*/
@JsonCreator
public SystemFragment(@JsonProperty("componentRelationships") Set rels) {
this.componentRelationships = new HashSet<>(rels);
}
/**
* Subset of a given System.
*
* @param rels
* known relationships.
* @return SystemFragment
*/
public static SystemFragment of(Set rels) {
return new SystemFragment(rels);
}
/**
* Subset of a given System.
*
* @param rels
* known relationships.
* @return SystemFragment
*/
public static SystemFragment of(ComponentRelationships... rels) {
return SystemFragment.of(new HashSet<>(Arrays.asList(rels)));
}
/**
* Convenience factory method to create a SystemFragment without any
* component.
*
* @return empty SystemFragment
*/
public static SystemFragment empty() {
return new SystemFragment(new HashSet<>());
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
} else if (o == null || !getClass().equals(o.getClass())) {
return false;
}
SystemFragment that = (SystemFragment) o;
return Objects.equals(this.componentRelationships, that.componentRelationships);
}
@Override
public int hashCode() {
return Objects.hash(getClass(), componentRelationships);
}
/**
* All the components detected, and their relationships.
*
* @return a copy of the ComponentRelationships held by this object.
*/
public Set getComponentRelationships() {
return new HashSet<>(componentRelationships);
}
}