/*
 * Copyright 2018 the original author or authors.
 *
 * 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 org.springframework.statemachine;

import org.springframework.messaging.Message;

/**
 * Reserved {@link Message} headers used in {@link StateMachine} events.
 *
 * @author Janne Valkealahti
 *
 */
public final class StateMachineMessageHeaders {

	/**
	 * Header value defining state do action timeout. Format is a number
	 * defining timeout as {@code millis}.
	 */
	public final static String HEADER_DO_ACTION_TIMEOUT = "STATEMACHINE_DO_ACTION_TIMEOUT";
}
