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/*
* 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.tuscany.sca.event;
/**
* Publishes events in the runtime by accepting {@link Event} objects and
* forwarding them to all registered {@link RuntimeEventListener} objects.
*
* @version $Rev$ $Date$
*/
public interface EventPublisher {
/**
* Publish an event to all registered listeners
* @param object The event to publish
*/
void publish(Event object);
/**
* Registers a listener to receive notifications for the context
* @param listener The listener to add
*/
void addListener(RuntimeEventListener listener);
/**
* Registers a listener to receive notifications for the context
* @param filter The filter that will be applied before the lister is called
* @param listener The lister to add
*/
void addListener(EventFilter filter, RuntimeEventListener listener);
/**
* Removes a previously registered listener
* @param listener The listener to remove
*/
void removeListener(RuntimeEventListener listener);
}
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