org.apache.logging.log4j.spi.NoOpThreadContextMap 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.logging.log4j.spi;
import java.util.HashMap;
import java.util.Map;
/**
* {@code ThreadContextMap} implementation used when either of system properties {@code disableThreadContextMap} or .
* {@code disableThreadContext} is {@code true}. This implementation does nothing.
*
* @since 2.7
*/
public class NoOpThreadContextMap implements ThreadContextMap {
@Override
public void clear() {
}
@Override
public boolean containsKey(final String key) {
return false;
}
@Override
public String get(final String key) {
return null;
}
@Override
public Map getCopy() {
return new HashMap<>();
}
@Override
public Map getImmutableMapOrNull() {
return null;
}
@Override
public boolean isEmpty() {
return true;
}
@Override
public void put(final String key, final String value) {
}
@Override
public void remove(final String key) {
}
}