/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.nifi.web.revision;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.apache.nifi.web.FlowModification;
import org.apache.nifi.web.Revision;
public class StandardRevisionUpdate<T> implements RevisionUpdate<T> {
private final T component;
private final FlowModification lastModification;
private final Set<Revision> updatedRevisions;
public StandardRevisionUpdate(final T component, final FlowModification lastModification) {
this(component, lastModification, null);
}
public StandardRevisionUpdate(final T component, final FlowModification lastModification, final Set<Revision> updatedRevisions) {
this.component = component;
this.lastModification = lastModification;
this.updatedRevisions = updatedRevisions == null ? new HashSet<>() : new HashSet<>(updatedRevisions);
if (lastModification != null) {
this.updatedRevisions.add(lastModification.getRevision());
}
}
@Override
public T getComponent() {
return component;
}
@Override
public FlowModification getLastModification() {
return lastModification;
}
@Override
public Set<Revision> getUpdatedRevisions() {
return Collections.unmodifiableSet(updatedRevisions);
}
@Override
public String toString() {
return "[Component=" + component + ", Last Modification=" + lastModification + "]";
}
}