com.liferay.commerce.util.comparator.CommerceShippingMethodPriorityComparator Maven / Gradle / Ivy
/**
* SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
* SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
*/
package com.liferay.commerce.util.comparator;
import com.liferay.commerce.model.CommerceShippingMethod;
import com.liferay.portal.kernel.util.OrderByComparator;
/**
* @author Crescenzo Rega
*/
public class CommerceShippingMethodPriorityComparator
extends OrderByComparator {
public static final String ORDER_BY_ASC =
"CommerceShippingMethod.priority ASC";
public static final String ORDER_BY_DESC =
"CommerceShippingMethod.priority DESC";
public static final String[] ORDER_BY_FIELDS = {"priority"};
public static CommerceShippingMethodPriorityComparator getInstance(
boolean ascending) {
if (ascending) {
return _INSTANCE_ASCENDING;
}
return _INSTANCE_DESCENDING;
}
@Override
public int compare(
CommerceShippingMethod commerceShippingMethod1,
CommerceShippingMethod commerceShippingMethod2) {
int value = Double.compare(
commerceShippingMethod1.getPriority(),
commerceShippingMethod2.getPriority());
if (_ascending) {
return value;
}
return Math.negateExact(value);
}
@Override
public String getOrderBy() {
if (_ascending) {
return ORDER_BY_ASC;
}
return ORDER_BY_DESC;
}
@Override
public String[] getOrderByFields() {
return ORDER_BY_FIELDS;
}
@Override
public boolean isAscending() {
return _ascending;
}
private CommerceShippingMethodPriorityComparator(boolean ascending) {
_ascending = ascending;
}
private static final CommerceShippingMethodPriorityComparator
_INSTANCE_ASCENDING = new CommerceShippingMethodPriorityComparator(
true);
private static final CommerceShippingMethodPriorityComparator
_INSTANCE_DESCENDING = new CommerceShippingMethodPriorityComparator(
false);
private final boolean _ascending;
}