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package org.scijava.io.event;

import org.scijava.event.SciJavaEvent;

/**
 * An event indicating that I/O (e.g., opening or saving) has occurred.
 * 
 * @author Curtis Rueden
 */
public abstract class IOEvent extends SciJavaEvent {

	/** The data descriptor (source or destination). */
	private final String descriptor;

	/** The data for which I/O took place. */
	private final Object data;

	public IOEvent(final String descriptor, final Object data) {
		this.descriptor = descriptor;
		this.data = data;
	}

	/** Gets the data descriptor (source or destination). */
	public String getDescriptor() {
		return descriptor;
	}

	/** Gets the data for which I/O took place. */
	public Object getData() {
		return data;
	}

	// -- Object methods --

	@Override
	public String toString() {
		return super.toString() + "\n\tdescriptor = " + data + "\n\tdata = " + data;
	}

}