Logback: the reliable, generic, fast and flexible logging framework.
Copyright (C) 1999-2015, QOS.ch. All rights reserved.
This program and the accompanying materials are dual-licensed under
either the terms of the Eclipse Public License v1.0 as published by
the Eclipse Foundation
or (per the licensee's choosing)
under the terms of the GNU Lesser General Public License version 2.1
as published by the Free Software Foundation.
/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2015, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.util;
import java.util.HashMap;
This class extends InheritableThreadLocal so that children threads get a copy
of the parent's hashmap.
Author: Ceki Gülcü
/**
* This class extends InheritableThreadLocal so that children threads get a copy
* of the parent's hashmap.
*
* @author Ceki Gülcü
*/
public class CopyOnInheritThreadLocal extends InheritableThreadLocal<HashMap<String, String>> {
Child threads should get a copy of the parent's hashmap.
/**
* Child threads should get a copy of the parent's hashmap.
*/
@Override
protected HashMap<String, String> childValue(HashMap<String, String> parentValue) {
if (parentValue == null) {
return null;
} else {
return new HashMap<String, String>(parentValue);
}
}
}