/*******************************************************************************
* Copyright 2013 SAP AG
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.sap.core.odata.api.uri.expression;
/**
* Enumeration describing all possible sort orders used in an $orderby expression
* @author SAP AG
*/
public enum SortOrder {
/**
* Sort order ascending
*/
asc("asc"),
/**
* Sort order descending
*/
desc("desc");
private String syntax;
private String stringRespresentation;
private SortOrder(final String syntax) {
this.syntax = syntax;
stringRespresentation = syntax;
}
/**
* @return Operators name for usage in in text
*/
@Override
public String toString() {
return stringRespresentation;
}
/**
* @return URI literal of the unary operator as used in the URL.
*/
public String toUriLiteral() {
return syntax;
}
}