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/**
* ============LICENSE_START=======================================================
* Gizmo
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property.
* Copyright © 2017 Amdocs
* All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.crud.util;
import java.io.File;
import java.util.TimerTask;
public abstract class FileWatcher extends TimerTask {
private long timeStamp;
private File file;
public FileWatcher(File file) {
this.file = file;
this.timeStamp = file.lastModified();
}
public final void run() {
long timeStamp = file.lastModified();
if ((timeStamp - this.timeStamp) > 500) {
this.timeStamp = timeStamp;
onChange(file);
}
}
protected abstract void onChange(File file);
}
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