UnitRuleCompute.java

/**
 * Copyright French Prime minister Office/SGMAP/DINSIC/Vitam Program (2015-2019)
 *
 * contact.vitam@culture.gouv.fr
 * 
 * This software is a computer program whose purpose is to implement a digital 
 * archiving back-office system managing high volumetry securely and efficiently.
 *
 * This software is governed by the CeCILL 2.1 license under French law and
 * abiding by the rules of distribution of free software.  You can  use,
 * modify and/ or redistribute the software under the terms of the CeCILL 2.1
 * license as circulated by CEA, CNRS and INRIA at the following URL
 * "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and  rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty  and the software's author,  the holder of the
 * economic rights,  and the successive licensors  have only  limited
 * liability.
 *
 * In this respect, the user's attention is drawn to the risks associated
 * with loading,  using,  modifying and/or developing or reproducing the
 * software by the user in light of its specific status of free software,
 * that may mean  that it is complicated to manipulate,  and  that  also
 * therefore means  that it is reserved for developers  and  experienced
 * professionals having in-depth computer knowledge. Users are therefore
 * encouraged to load and test the software's suitability as regards their
 * requirements in conditions enabling the security of their systems and/or
 * data to be ensured and,  more generally, to use and operate it in the
 * same conditions as regards security.
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL 2.1 license and that you accept its terms.
 */
package fr.gouv.vitam.metadata.core;

/**
 * Object to build the graph of unit
 */
public class UnitRuleCompute extends UnitNode {
    private UnitInheritedRule heritedRules;
    private boolean isComputed;

    /**
     * constructor with UnitSimplified
     * 
     * @param u UnitSimplified
     */
    public UnitRuleCompute(UnitSimplified u) {
        super(u);
        isComputed = false;
    }

    /**
     * constructor with UnitNode
     * 
     * @param u UnitSimplified
     */
    public UnitRuleCompute(UnitNode u) {
        super(u.getUnit());
        this.setAllUnitNode(u.getAllUnitNode());
    }

    /**
     * Compute rule of Unit node
     */
    public void computeRule() {
        if (isComputed) {
          return;  
        }
        if (getUnit().getDirectParent().isEmpty()) {
            this.heritedRules = new UnitInheritedRule(getUnit().getManagement(), getUnit().getId());
        } else {
            this.heritedRules = new UnitInheritedRule();
        }

        for (String parentId : getUnit().getDirectParent()) {
            UnitRuleCompute parentNode = new UnitRuleCompute(getAllUnitNode().get(parentId));
            parentNode.computeRule();
            UnitInheritedRule rule = parentNode.heritedRules.createNewInheritedRule(getUnit().getManagement(), getUnit().getId());
            heritedRules.concatRule(rule);
        }
        isComputed = true;
    }

    /**
     * @return UnitInheritedRule
     */
    public UnitInheritedRule getHeritedRules() {
        if (getUnit().getDirectParent().isEmpty()) {
            return new UnitInheritedRule();
        }
        return heritedRules;
    }
}