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 * %%
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package org.scijava.module;

/**
 * {@link Module} extension allowing manipulation of its metadata.
 * <p>
 * In particular, module inputs and outputs can be added, edited and removed.
 * </p>
 * <p>
 * A {@code MutableModule} always has {@link MutableModuleInfo} attached to it,
 * accessible via the {@link #getInfo()} method.
 * </p>
 * 
 * @author Curtis Rueden
 * @see org.scijava.command.DynamicCommand
 */
public interface MutableModule extends Module {

	/** Adds an input to the list. */
	default <T> MutableModuleItem<T> addInput(final String name,
		final Class<T> type)
	{
		final DefaultMutableModuleItem<T> item =
			new DefaultMutableModuleItem<>(this, name, type);
		addInput(item);
		return item;
	}

	/** Adds an input to the list. */
	default void addInput(final ModuleItem<?> input) {
		getInfo().addInput(input);
	}

	/** Adds an output to the list. */
	default <T> MutableModuleItem<T> addOutput(final String name,
		final Class<T> type)
	{
		final DefaultMutableModuleItem<T> item =
			new DefaultMutableModuleItem<>(this, name, type);
		addOutput(item);
		return item;
	}

	/** Adds an output to the list. */
	default void addOutput(final ModuleItem<?> output) {
		getInfo().addOutput(output);
	}

	/** Removes an input from the list. */
	default void removeInput(final ModuleItem<?> input) {
		getInfo().removeInput(input);
	}

	/** Removes an output from the list. */
	default void removeOutput(final ModuleItem<?> output) {
		getInfo().removeOutput(output);
	}

	// -- ModuleInfo methods --

	@Override
	MutableModuleInfo getInfo();

	// -- Runnable methods --

	@Override
	default void run() {
		// do nothing by default
	}
}
