io.reactivex.netty.contexts.MapBackedKeySupplier Maven / Gradle / Ivy
/*
* Copyright 2014 Netflix, Inc.
*
* 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.
*/
package io.reactivex.netty.contexts;
import java.util.HashMap;
import java.util.Map;
/**
* A simple implementation of {@link ContextKeySupplier} which is backed by a {@link Map}
*
* @author Nitesh Kant
*/
public class MapBackedKeySupplier implements ContextKeySupplier {
private final Map keys;
public MapBackedKeySupplier() {
this(new HashMap());
}
public MapBackedKeySupplier(final Map keys) {
this.keys = keys;
}
@Override
public String getContextValue(String key) {
return keys.get(key);
}
public void put(String key, String value) {
keys.put(key, value);
}
}