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SciJava Common is a shared library for SciJava software. It provides a plugin framework, with an extensible mechanism for service discovery, backed by its own annotation processor, so that plugins can be loaded dynamically. It is used by downstream projects in the SciJava ecosystem, such as ImageJ and SCIFIO.

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/*
 * #%L
 * SciJava Common shared library for SciJava software.
 * %%
 * Copyright (C) 2009 - 2017 Board of Regents of the University of
 * Wisconsin-Madison, Broad Institute of MIT and Harvard, Max Planck
 * Institute of Molecular Cell Biology and Genetics, University of
 * Konstanz, and KNIME GmbH.
 * %%
 * 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
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * #L%
 */

package org.scijava.module;

/**
 * {@link ModuleInfo} extension allowing manipulation of its metadata.
 * 
 * In particular, module inputs and outputs can be added, edited and removed.
 * 
 * 
 * Note that a {@code MutableModuleInfo} does not necessarily have
 * {@link MutableModuleItem}s!
 * 
 * 
 * @author Curtis Rueden
 * @see org.scijava.command.DynamicCommand
 */
public interface MutableModuleInfo extends ModuleInfo {

	/** Sets the module class described by this {@link ModuleInfo}. */
	void setModuleClass(Class moduleClass);

	/** Gets the module class described by this {@link ModuleInfo}. */
	Class getModuleClass();

	/** Adds an input to the list. */
	void addInput(ModuleItem input);

	/** Adds an output to the list. */
	void addOutput(ModuleItem output);

	/** Removes an input from the list. */
	void removeInput(ModuleItem input);

	/** Removes an output from the list. */
	void removeOutput(ModuleItem output);

	// -- ModuleInfo methods --

	@Override
	default String getDelegateClassName() {
		return getModuleClass().getName();
	}

	@Override
	default Class loadDelegateClass() {
		return getModuleClass();
	}

	@Override
	default Module createModule() throws ModuleException {
		try {
			return getModuleClass().newInstance();
		}
		catch (final InstantiationException | IllegalAccessException exc) {
			throw new ModuleException(exc);
		}
	}
}