org.springframework.statemachine.action.CompositeActionListener.java Source code

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Here is the source code for org.springframework.statemachine.action.CompositeActionListener.java

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/*
 * Copyright 2016-2019 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
 *
 * https://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.action;

import java.util.Iterator;
import java.util.function.Function;

import org.springframework.statemachine.StateContext;
import org.springframework.statemachine.StateMachine;
import org.springframework.statemachine.support.AbstractCompositeItems;

import reactor.core.publisher.Mono;

/**
 * Implementation of a {@link ActionListener} backed by a multiple listeners.
 *
 * @author Janne Valkealahti
 *
 * @param <S> the type of state
 * @param <E> the type of event
 */
public class CompositeActionListener<S, E> extends AbstractCompositeItems<ActionListener<S, E>>
        implements ActionListener<S, E> {

    @Override
    public void onExecute(StateMachine<S, E> stateMachine, Function<StateContext<S, E>, Mono<Void>> action,
            long duration) {
        for (Iterator<ActionListener<S, E>> iterator = getItems().reverse(); iterator.hasNext();) {
            ActionListener<S, E> listener = iterator.next();
            listener.onExecute(stateMachine, action, duration);
        }
    }
}