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 * SciJava Common shared library for SciJava software.
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package org.scijava.startup;

import java.util.ArrayDeque;
import java.util.Deque;

import org.scijava.log.LogService;
import org.scijava.plugin.Parameter;
import org.scijava.plugin.Plugin;
import org.scijava.service.AbstractService;
import org.scijava.service.Service;

/**
 * Default implementation of {@link StartupService}.
 * 
 * @author Curtis Rueden
 */
@Plugin(type = Service.class)
public class DefaultStartupService extends AbstractService implements
	StartupService
{

	private final Deque<Runnable> operations = new ArrayDeque<>();

	@Parameter(required = false)
	private LogService log;

	@Override
	public void addOperation(final Runnable operation) {
		operations.add(operation);
	}

	@Override
	public void executeOperations() {
		while (!operations.isEmpty()) {
			final Runnable operation = operations.pop();
			try {
				operation.run();
			}
			catch (final RuntimeException exc) {
				if (log != null) log.error(exc);
			}
		}
	}
}
