/*
 * #%L
 * ImageJ software for multidimensional image processing and analysis.
 * %%
 * Copyright (C) 2014 Board of Regents of the University of
 * Wisconsin-Madison and University of Konstanz.
 * %%
 * 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
 * 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 net.imagej.ops;

import org.scijava.ItemIO;
import org.scijava.plugin.Parameter;

/**
 * Abstract superclass for {@link InplaceFunction} ops.
 * 
 * @author Curtis Rueden
 */
public abstract class AbstractInplaceFunction<A> implements InplaceFunction<A> {

	@Parameter(type = ItemIO.BOTH)
	private A arg;

	// -- Function methods --

	@Override
	public A getInput() {
		return arg;
	}

	@Override
	public A getOutput() {
		return arg;
	}

	@Override
	public void setInput(final A input) {
		arg = input;
	}

	@Override
	public void setOutput(final A output) {
		arg = output;
	}

	@Override
	public A compute(final A input, final A output) {
		if (input != output) {
			throw new IllegalArgumentException("Input and output must match");
		}
		return compute(input);
	}

	@Override
	public void run() {
		compute(getInput());
	}

	// -- Threadable methods --

	@Override
	public InplaceFunction<A> getIndependentInstance() {
		// NB: We assume the function instance is thread-safe by default.
		// Individual function implementations can override this assumption if
		// they have state (such as buffers) that cannot be shared across threads.
		return this;
	}

}

/*
 * #%L
 * ImageJ software for multidimensional image processing and analysis.
 * %%
 * Copyright (C) 2014 Board of Regents of the University of
 * Wisconsin-Madison and University of Konstanz.
 * %%
 * 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
 * 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 net.imagej.ops;

import org.scijava.ItemIO;
import org.scijava.plugin.Parameter;

/**
 * Abstract superclass for {@link InplaceFunction} ops.
 * 
 * @author Curtis Rueden
 */
public abstract class AbstractInplaceFunction<A> implements InplaceFunction<A> {

	@Parameter(type = ItemIO.BOTH)
	private A arg;

	// -- Function methods --

	@Override
	public A getInput() {
		return arg;
	}

	@Override
	public A getOutput() {
		return arg;
	}

	@Override
	public void setInput(final A input) {
		arg = input;
	}

	@Override
	public void setOutput(final A output) {
		arg = output;
	}

	@Override
	public A compute(final A input, final A output) {
		if (input != output) {
			throw new IllegalArgumentException("Input and output must match");
		}
		return compute(input);
	}

	@Override
	public void run() {
		compute(getInput());
	}

	// -- Threadable methods --

	@Override
	public InplaceFunction<A> getIndependentInstance() {
		// NB: We assume the function instance is thread-safe by default.
		// Individual function implementations can override this assumption if
		// they have state (such as buffers) that cannot be shared across threads.
		return this;
	}

	// -- Converter methods --

	@Override
	public void convert(final A input, final A output) {
		compute(input, output);
	}

}

implement Converter method