1 /* 2 * ModeShape (http://www.modeshape.org) 3 * See the COPYRIGHT.txt file distributed with this work for information 4 * regarding copyright ownership. Some portions may be licensed 5 * to Red Hat, Inc. under one or more contributor license agreements. 6 * See the AUTHORS.txt file in the distribution for a full listing of 7 * individual contributors. 8 * 9 * ModeShape is free software. Unless otherwise indicated, all code in ModeShape 10 * is licensed to you under the terms of the GNU Lesser General Public License as 11 * published by the Free Software Foundation; either version 2.1 of 12 * the License, or (at your option) any later version. 13 * 14 * ModeShape is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with this software; if not, write to the Free 21 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 22 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 23 */ 24 package org.modeshape.jcr.query.qom; 25 26 import javax.jcr.query.qom.QueryObjectModelConstants; 27 import org.modeshape.graph.query.model.Order; 28 import org.modeshape.graph.query.model.Ordering; 29 30 /** 31 * The implementation of the JCR Query Object Model's {@link javax.jcr.query.qom.Ordering}. 32 */ 33 public class JcrOrdering extends Ordering implements javax.jcr.query.qom.Ordering { 34 35 private static final long serialVersionUID = 1L; 36 37 /** 38 * Create a new ordering specification, given the supplied operand and order. 39 * 40 * @param operand the operand being ordered 41 * @param order the order type 42 * @throws IllegalArgumentException if the operand or order type is null 43 */ 44 public JcrOrdering( JcrDynamicOperand operand, 45 Order order ) { 46 super(operand, order); 47 } 48 49 /** 50 * {@inheritDoc} 51 * 52 * @see org.modeshape.graph.query.model.Ordering#operand() 53 */ 54 @Override 55 public JcrDynamicOperand operand() { 56 return (JcrDynamicOperand)super.operand(); 57 } 58 59 /** 60 * {@inheritDoc} 61 * 62 * @see javax.jcr.query.qom.Ordering#getOperand() 63 */ 64 @Override 65 public JcrDynamicOperand getOperand() { 66 return operand(); 67 } 68 69 /** 70 * {@inheritDoc} 71 * 72 * @see javax.jcr.query.qom.Ordering#getOrder() 73 */ 74 @Override 75 public String getOrder() { 76 switch (order()) { 77 case ASCENDING: 78 return QueryObjectModelConstants.JCR_ORDER_ASCENDING; 79 case DESCENDING: 80 return QueryObjectModelConstants.JCR_ORDER_DESCENDING; 81 } 82 assert false; 83 return null; 84 } 85 }