de.iteratec.iteraplan.elasticeam.derived.AddReplaceList.java Source code

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Here is the source code for de.iteratec.iteraplan.elasticeam.derived.AddReplaceList.java

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/*
 * iteraplan is an IT Governance web application developed by iteratec, GmbH
 * Copyright (C) 2004 - 2014 iteratec, GmbH
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by
 * the Free Software Foundation with the addition of the following permission
 * added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED
 * WORK IN WHICH THE COPYRIGHT IS OWNED BY ITERATEC, ITERATEC DISCLAIMS THE
 * WARRANTY OF NON INFRINGEMENT  OF THIRD PARTY RIGHTS.
 *
 * 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 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 or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA.
 *
 * You can contact iteratec GmbH headquarters at Inselkammerstr. 4
 * 82008 Munich - Unterhaching, Germany, or at email address info@iteratec.de.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License
 * version 3, these Appropriate Legal Notices must retain the display of the
 * "iteraplan" logo. If the display of the logo is not reasonably
 * feasible for technical reasons, the Appropriate Legal Notices must display
 * the words "Powered by iteraplan".
 */
package de.iteratec.iteraplan.elasticeam.derived;

import java.util.List;

import org.apache.commons.collections15.ListUtils;

import com.google.common.base.Function;
import com.google.common.collect.Lists;

import de.iteratec.iteraplan.elasticeam.metamodel.NamedExpression;

abstract class AddReplaceList<N extends NamedExpression> {

    private Function<N, N> replacer;

    AddReplaceList() {
        this.replacer = new Function<N, N>() {
            public N apply(N input) {
                return input;
            }
        };
    }

    AddReplaceList(Function<N, N> replacer) {
        this.replacer = replacer;
    }

    final List<N> get() {
        return Lists.transform(ListUtils.sum(rawGet(), getAdditionalElements()), this.replacer);
    }

    final N findByPersistentName(String persistentName) {
        for (N additionalElement : getAdditionalElements()) {
            if (additionalElement.getPersistentName().equals(persistentName)) {
                return additionalElement;
            }
        }
        return this.replacer.apply(rawFindByPersistentname(persistentName));
    }

    final N findByName(String name) {
        for (N additionalElement : getAdditionalElements()) {
            if (additionalElement.getName().equals(name)) {
                return additionalElement;
            }
        }
        return this.replacer.apply(rawFindByName(name));
    }

    protected abstract List<N> rawGet();

    protected abstract N rawFindByPersistentname(String persistentName);

    protected abstract N rawFindByName(String name);

    protected abstract List<? extends N> getAdditionalElements();
}