001    /**
002     * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.increment;
016    
017    import com.liferay.portlet.social.model.SocialEquityIncrementPayload;
018    import com.liferay.portlet.social.model.SocialEquityValue;
019    
020    /**
021     * @author Zsolt Berentey
022     */
023    public class SocialEquityIncrement
024            implements Increment<SocialEquityIncrementPayload> {
025    
026            public SocialEquityIncrement(
027                    SocialEquityIncrementPayload socialEquityIncrementPayload) {
028    
029                    _socialEquityIncrementPayload = socialEquityIncrementPayload;
030            }
031    
032            public void decrease(
033                    SocialEquityIncrementPayload deltaSocialEquityIncrementPayload) {
034    
035                    SocialEquityValue socialEquityValue =
036                            _socialEquityIncrementPayload.getEquityValue();
037    
038                    socialEquityValue.subtract(
039                            deltaSocialEquityIncrementPayload.getEquityValue());
040            }
041    
042            public Increment<SocialEquityIncrementPayload> decreaseForNew(
043                    SocialEquityIncrementPayload deltaSocialEquityIncrementPayload) {
044    
045                    SocialEquityIncrementPayload socialEquityIncrementPayload =
046                            _socialEquityIncrementPayload.clone();
047    
048                    SocialEquityValue socialEquityValue = new SocialEquityValue(
049                            _socialEquityIncrementPayload.getEquityValue().getK() -
050                                    deltaSocialEquityIncrementPayload.getEquityValue().getK(),
051                            _socialEquityIncrementPayload.getEquityValue().getB() -
052                                    deltaSocialEquityIncrementPayload.getEquityValue().getB());
053    
054                    socialEquityIncrementPayload.setEquityValue(socialEquityValue);
055    
056                    return new SocialEquityIncrement(socialEquityIncrementPayload);
057            }
058    
059            public SocialEquityIncrementPayload getValue() {
060                    return _socialEquityIncrementPayload;
061            }
062    
063            public void increase(
064                    SocialEquityIncrementPayload deltaSocialEquityIncrementPayload) {
065    
066                    SocialEquityValue socialEquityValue =
067                            _socialEquityIncrementPayload.getEquityValue();
068    
069                    socialEquityValue.add(
070                            deltaSocialEquityIncrementPayload.getEquityValue());
071            }
072    
073            public Increment<SocialEquityIncrementPayload> increaseForNew(
074                    SocialEquityIncrementPayload deltaSocialEquityIncrementPayload) {
075    
076                    SocialEquityIncrementPayload socialEquityIncrementPayload =
077                            _socialEquityIncrementPayload.clone();
078    
079                    SocialEquityValue socialEquityValue = new SocialEquityValue(
080                            _socialEquityIncrementPayload.getEquityValue().getK() +
081                                    deltaSocialEquityIncrementPayload.getEquityValue().getK(),
082                            _socialEquityIncrementPayload.getEquityValue().getB() +
083                                    deltaSocialEquityIncrementPayload.getEquityValue().getB());
084    
085                    socialEquityIncrementPayload.setEquityValue(socialEquityValue);
086    
087                    return new SocialEquityIncrement(socialEquityIncrementPayload);
088            }
089    
090            public void setValue(
091                    SocialEquityIncrementPayload valueSocialEquityIncrementPayload) {
092    
093                    _socialEquityIncrementPayload = valueSocialEquityIncrementPayload;
094            }
095    
096            private SocialEquityIncrementPayload _socialEquityIncrementPayload;
097    
098    }