AlterGroupBuilder.java

/*****************************************************************************
 * Copyright (c) 2006-2013, Cloudsmith Inc.
 * The code, documentation and other materials contained herein have been
 * licensed under the Eclipse Public License - v 1.0 by the copyright holder
 * listed above, as the Initial Contributor under such license. The text of
 * such license is available at www.eclipse.org.
 *****************************************************************************/
package org.eclipse.buckminster.core.cspecext.builder;

import java.util.HashMap;
import java.util.HashSet;

import org.eclipse.buckminster.core.cspec.builder.GroupBuilder;
import org.eclipse.buckminster.core.cspec.model.Group;
import org.eclipse.buckminster.core.cspec.model.Prerequisite;
import org.eclipse.buckminster.core.cspec.model.PrerequisiteAlreadyDefinedException;
import org.eclipse.buckminster.core.cspecext.model.AlterAttribute;
import org.eclipse.buckminster.core.cspecext.model.AlterGroup;

/**
 * @author Thomas Hallgren
 */
public class AlterGroupBuilder extends AlterAttributeBuilder {
	private final HashMap<String, Prerequisite> alteredPrerequisites = new HashMap<String, Prerequisite>();

	private final HashSet<String> removedPrerequisites = new HashSet<String>();

	public AlterGroupBuilder(GroupBuilder baseBuilder) {
		super(baseBuilder);
	}

	public void addAlterPrerequisite(Prerequisite value) throws PrerequisiteAlreadyDefinedException {
		String key = value.toString();
		if (alteredPrerequisites.containsKey(key))
			throw new PrerequisiteAlreadyDefinedException(getCSpecName(), getName(), key);
		alteredPrerequisites.put(key, value);
	}

	public void addRemovePrerequisite(String key) {
		removedPrerequisites.add(key);
	}

	@Override
	public void clear() {
		super.clear();
		alteredPrerequisites.clear();
		removedPrerequisites.clear();
	}

	@Override
	public AlterAttribute<?> createAlterAttribute() {
		return new AlterGroup((Group) createBase(), getRemovedHints(), getAlteredHints(), removedPrerequisites, alteredPrerequisites);
	}
}