DirectDeliveryMessageBus.java

/*
 * Copyright (c) 2009, Paul Merlin. All Rights Reserved.
 * Copyright (c) 2010, Fabien Barbero. All Rights Reserved.
 *
 * 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.swing.on.steroids.messagebus;

/**
 * MessageBus Implementation that deliver Messages to Subscribers sequentially in the current thread.
 */
public final class DirectDeliveryMessageBus
        extends BaseMessageBus
{

    @Override
    public <S extends Subscriber> void publish( Message<S> message )
    {
        if ( !vetoed( message ) ) {
            for ( S eachSubscriber : subscribers( message.getMessageType() ) ) {
                try {
                    message.deliver( eachSubscriber );
                } catch ( DeliveryRefusalException refusal ) {
                }
            }
        }
    }

}