package org.jtheque.updates.impl;
import org.jtheque.utils.annotations.Immutable;
import org.jtheque.utils.collections.CollectionUtils;
import java.util.Collection;
/*
* Copyright JTheque (Baptiste Wicht)
*
* 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.
*/
/**
* A module descriptor.
*
* @author Baptiste Wicht
*/
@Immutable
final class ModuleDescriptor {
private final String id;
private final Collection<ModuleVersion> moduleVersions;
private final ModuleVersion mostRecent;
/**
* Construct a new ModuleDescriptor.
*
* @param id The id of the module.
* @param moduleVersions The module versions contained in the descriptions.
*/
ModuleDescriptor(String id, Collection<ModuleVersion> moduleVersions) {
super();
this.id = id;
this.moduleVersions = CollectionUtils.protectedCopy(moduleVersions);
mostRecent = moduleVersions.isEmpty() ? null : CollectionUtils.last(moduleVersions);
}
/**
* Return the id of the resource.
*
* @return The id of the resource.
*/
String getId() {
return id;
}
/**
* Return all the versions of the descriptor.
*
* @return A Collection containing all the versions of the descriptor.
*/
Collection<ModuleVersion> getVersions() {
return moduleVersions;
}
/**
* Return the most recent version of the VersionsFile.
*
* @return The most recent version.
*/
ModuleVersion getMostRecentVersion() {
return mostRecent;
}
}