com.liferay.portlet.shopping.util.comparator.OrderDateComparator Maven / Gradle / Ivy
/**
* Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library 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 Lesser General Public License for more
* details.
*/
package com.liferay.portlet.shopping.util.comparator;
import com.liferay.portal.kernel.util.DateUtil;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portlet.shopping.model.ShoppingOrder;
/**
* @author Brian Wing Shun Chan
*/
public class OrderDateComparator extends OrderByComparator {
public static final String ORDER_BY_ASC = "ShoppingOrder.createDate ASC";
public static final String ORDER_BY_DESC = "ShoppingOrder.createDate DESC";
public static final String[] ORDER_BY_FIELDS = {"createDate"};
public OrderDateComparator() {
this(false);
}
public OrderDateComparator(boolean ascending) {
_ascending = ascending;
}
@Override
public int compare(Object obj1, Object obj2) {
ShoppingOrder order1 = (ShoppingOrder)obj1;
ShoppingOrder order2 = (ShoppingOrder)obj2;
int value = DateUtil.compareTo(
order1.getCreateDate(), order2.getCreateDate());
if (_ascending) {
return value;
}
else {
return -value;
}
}
@Override
public String getOrderBy() {
if (_ascending) {
return ORDER_BY_ASC;
}
else {
return ORDER_BY_DESC;
}
}
@Override
public String[] getOrderByFields() {
return ORDER_BY_FIELDS;
}
@Override
public boolean isAscending() {
return _ascending;
}
private boolean _ascending;
}