/*

* #%L

* SciJava Common shared library for SciJava software.

* %%

* Copyright (C) 2009 - 2026 SciJava developers.

* %%

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions are met:

*

* 1. Redistributions of source code must retain the above copyright notice,

* this list of conditions and the following disclaimer.

* 2. Redistributions in binary form must reproduce the above copyright notice,

* this list of conditions and the following disclaimer in the documentation

* and/or other materials provided with the distribution.

*

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE

* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

* POSSIBILITY OF SUCH DAMAGE.

* #L%

*/

package org.scijava.command;

import org.scijava.module.Module;

import org.scijava.plugin.Plugin;

import org.scijava.plugin.PluginService;

import org.scijava.plugin.SciJavaPlugin;

/**

* {@code Command} is a plugin that is executable. A {@code Command} can be

* executed as a {@link Module} by wrapping it in an instance of

* {@link CommandModule}.

* <p>

* Commands discoverable at runtime must implement this interface and be

* annotated with @{@link Plugin} with attribute {@link Plugin#type()} =

* {@link Command}.class. While it possible to create a command merely by

* implementing this interface, it is encouraged to instead extend

* {@link ContextCommand} (or in some cases {@link ModuleCommand},

* {@link DynamicCommand} or {@link InteractiveCommand}) for convenience.

* </p>

*

* @author Curtis Rueden

* @see Plugin

* @see PluginService

*/

public interface Command extends SciJavaPlugin, Runnable {

// Command is a plugin that extends Runnable,

// discoverable via the plugin discovery mechanism.

}