org.apache.nifi.flow.resource.ImmutableExternalResourceDescriptor Maven / Gradle / Ivy
/*
* 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.flow.resource;
import java.util.Objects;
public class ImmutableExternalResourceDescriptor implements ExternalResourceDescriptor {
private final String location;
private final long modifiedAt;
public ImmutableExternalResourceDescriptor(final String location, final long modifiedAt) {
if (modifiedAt < 0) {
throw new IllegalArgumentException("The modification time cannot be negative");
}
this.location = Objects.requireNonNull(location);
this.modifiedAt = modifiedAt;
}
@Override
public String getLocation() {
return location;
}
@Override
public long getLastModified() {
return modifiedAt;
}
}