javax.media.j3d.WakeupOr.java Source code

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Here is the source code for javax.media.j3d.WakeupOr.java

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/*
 * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 */

package javax.media.j3d;

/**
 * Class specifying any number of wakeup conditions ORed together.
 * This WakeupCondition object specifies that Java 3D should awaken
 * this Behavior when any of the WakeupCondition's constituent wakeup
 * criteria becomes valid.
 * <p>
 * Note that a unique WakeupCriterion object must be used
 * for each individual element in the array of wakeup criteria.
 */

public final class WakeupOr extends WakeupCondition {

    WakeupCriterion conditions[];

    /**
     * Constructs a new WakeupOr criterion.
     * @param conditions a vector of individual Wakeup conditions
     */
    public WakeupOr(WakeupCriterion conditions[]) {
        this.conditions = new WakeupCriterion[conditions.length];

        for (int i = 0; i < conditions.length; i++) {
            this.conditions[i] = conditions[i];
        }
    }

    /**
     * This sets the bit for the given child, then checks if the full condition is met
     */
    @Override
    void setConditionMet(int id, Boolean checkSchedulingRegion) {
        if (parent == null) {
            super.setConditionMet(this.id, checkSchedulingRegion);
        } else {
            parent.setConditionMet(this.id, checkSchedulingRegion);
        }
    }

    /**
     * This gets called when this condition is added to the AndOr tree.
     */
    @Override
    void buildTree(WakeupCondition parent, int id, BehaviorRetained b) {
        super.buildTree(parent, id, b);

        for (int i = 0; i < conditions.length; i++) {
            if (conditions[i] != null) {
                conditions[i].buildTree(this, i, b);
            }
        }
    }

    /**
     * This goes through the AndOr tree to remove the various criterion from the
     * BehaviorStructure lists
     */
    @Override
    void cleanTree(BehaviorStructure bs) {
        for (int i = 0; i < conditions.length; i++) {
            conditions[i].cleanTree(bs);
        }
    }

    @Override
    void reInsertElapseTimeCond() {
        super.reInsertElapseTimeCond();
        for (int i = 0; i < conditions.length; i++) {
            if (conditions[i] != null) {
                conditions[i].reInsertElapseTimeCond();
            }
        }
    }

    /**
      * This goes through the AndOr tree to remove the various criterion from the
      * BehaviorStructure.
      */
    @Override
    void resetTree() {
        super.resetTree();
        for (int i = 0; i < conditions.length; i++) {
            if (conditions[i] != null) {
                conditions[i].resetTree();
            }
        }
    }

}