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- /*
- * Copyright (C) 2012-present 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.pf4j;
-
- import java.util.EventListener;
-
- /**
- * Defines the interface for an object that listens to plugin state changes.
- * <p>
- * The class that is interested in processing a plugin state event implements this interface.
- *
- * @see PluginStateEvent
- * @author Decebal Suiu
- */
- public interface PluginStateListener extends EventListener {
-
- /**
- * Invoked when a plugin's state (for example {@link PluginState#DISABLED}, {@link PluginState#STARTED}) is changed.
- *
- * @param event the plugin state event
- */
- void pluginStateChanged(PluginStateEvent event);
-
- }
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