| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.jackrabbit.oak.query.ast; |
| |
| import org.apache.jackrabbit.oak.api.PropertyValue; |
| import org.apache.jackrabbit.oak.api.Type; |
| import org.apache.jackrabbit.oak.spi.query.fulltext.LikePattern; |
| import org.apache.jackrabbit.oak.plugins.memory.PropertyValues; |
| |
| /** |
| * The enumeration of all operators. |
| */ |
| public enum Operator { |
| |
| EQUAL("=") { |
| @Override |
| public boolean evaluate(PropertyValue p1, PropertyValue p2) { |
| return PropertyValues.match(p1, p2); |
| } |
| }, |
| |
| NOT_EQUAL("<>") { |
| @Override |
| public boolean evaluate(PropertyValue p1, PropertyValue p2) { |
| return PropertyValues.notMatch(p1, p2); |
| } |
| }, |
| |
| GREATER_THAN(">") { |
| @Override |
| public boolean evaluate(PropertyValue p1, PropertyValue p2) { |
| return p1.compareTo(p2) > 0; |
| } |
| }, |
| |
| GREATER_OR_EQUAL(">=") { |
| @Override |
| public boolean evaluate(PropertyValue p1, PropertyValue p2) { |
| return p1.compareTo(p2) >= 0; |
| } |
| }, |
| |
| LESS_THAN("<") { |
| @Override |
| public boolean evaluate(PropertyValue p1, PropertyValue p2) { |
| return p1.compareTo(p2) < 0; |
| } |
| }, |
| |
| LESS_OR_EQUAL("<=") { |
| @Override |
| public boolean evaluate(PropertyValue p1, PropertyValue p2) { |
| return p1.compareTo(p2) <= 0; |
| } |
| }, |
| |
| LIKE("like") { |
| @Override |
| public boolean evaluate(PropertyValue p1, PropertyValue p2) { |
| LikePattern like = new LikePattern(p2.getValue(Type.STRING)); |
| for (String s : p1.getValue(Type.STRINGS)) { |
| if (like.matches(s)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| }; |
| |
| /** |
| * The name of this operator. |
| */ |
| private final String name; |
| |
| Operator(String name) { |
| this.name = name; |
| } |
| |
| /** |
| * "operand2 always evaluates to a scalar value" |
| * |
| * for multi-valued properties: if any of the value matches, then return true |
| */ |
| public abstract boolean evaluate(PropertyValue p1, PropertyValue p2); |
| |
| /** |
| * Returns the name of this query operator. |
| */ |
| @Override |
| public String toString() { |
| return name; |
| } |
| |
| } |