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Mongoose is a high-load storage performance testing tool

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package com.emc.mongoose.base.item.io;

import com.emc.mongoose.base.item.Item;
import com.github.akurilov.commons.io.Input;
import com.github.akurilov.commons.io.Output;
import java.util.List;

/** Created by andrey on 28.04.16. */
public class SingleItemOutput implements Output {

	private volatile T item = null;

	@Override
	public boolean put(final T item) {
		this.item = item;
		return true;
	}

	@Override
	public final int put(final List buffer, final int from, final int to) {
		item = buffer.size() > 0 ? null : buffer.get(to - 1);
		return 1;
	}

	@Override
	public final int put(final List buffer) {
		item = buffer.size() > 0 ? buffer.get(buffer.size() - 1) : null;
		return 1;
	}

	@Override
	public final Input getInput() {
		return new SingleItemInput<>(item);
	}

	@Override
	public final void close() {
		item = null;
	}
}