/*
 * 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.chemistry.opencmis.commons.server;

/**
 * Mutable CallContext.
 */
public interface MutableCallContext extends CallContext {

    /**
     * Adds or replaces an entry
     * 
     * @param key
     *            the entry key
     * @param value
     *            the entry object
     */
    void put(String key, Object value);

    /**
     * Removes a parameter.
     * 
     * @param key
     *            the entry key
     * 
     * @return the entry object of the removed entry or {@code null} if the
     *         entry didn't exist
     */
    Object remove(String key);

}