AbstractPrecondition.java example

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rapidminer-vega-master
/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2011 by Rapid-I and the contributors
 *
 *  Complete list of developers available at our web site:
 *
 *       http://rapid-i.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see http://www.gnu.org/licenses/.
 */
package com.rapidminer.operator.ports.metadata;

import java.util.Collections;
import java.util.List;

import com.rapidminer.operator.ProcessSetupError.Severity;
import com.rapidminer.operator.ports.InputPort;
import com.rapidminer.operator.ports.quickfix.QuickFix;

/**
 * @author Simon Fischer
 */
public abstract class AbstractPrecondition implements Precondition {

	private final InputPort inputPort;

	public AbstractPrecondition(InputPort inputPort) {
		this.inputPort = inputPort;
	}

	protected InputPort getInputPort() {
		return inputPort;
	}

	protected void createError(Severity severity, String i18nKey, Object ... i18nArgs) {
		createError(severity, Collections.<QuickFix>emptyList(), i18nKey, i18nArgs);
	}

	protected void createError(Severity severity, final List<? extends QuickFix> fixes, String i18nKey, Object ... i18nArgs) {
		getInputPort().addError(new SimpleMetaDataError(severity, getInputPort(), fixes, i18nKey, i18nArgs));
	}
	
	@Override
	public String toString() {
		return getDescription();
	}	
}