| /* |
| * 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.commons.jexl3.internal; |
| |
| import org.apache.commons.jexl3.JexlFeatures; |
| |
| import java.util.Objects; |
| |
| /** |
| * Maintains the set of allowed features associated with a script/expression source. |
| * <p>This is meant for caching scripts using their 'source' as key but still distinguishing |
| * scripts with different features and prevent false sharing. |
| */ |
| public final class Source { |
| /** The hash code, pre-computed for fast op. */ |
| private final int hashCode; |
| /** The set of features. */ |
| private final JexlFeatures features; |
| /** The actual source script/expression. */ |
| private final String str; |
| |
| /** |
| * Default constructor. |
| * @param theFeatures the features |
| * @param theStr the script source |
| */ |
| Source(final JexlFeatures theFeatures, final String theStr) { // CSOFF: MagicNumber |
| this.features = theFeatures; |
| this.str = theStr; |
| int hash = 3; |
| hash = 37 * hash + features.hashCode(); |
| hash = 37 * hash + str.hashCode() ; |
| this.hashCode = hash; |
| } |
| |
| /** |
| * @return the length of the script source |
| */ |
| int length() { |
| return str.length(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return hashCode; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| final Source other = (Source) obj; |
| if (!Objects.equals(this.features, other.features)) { |
| return false; |
| } |
| if (!Objects.equals(this.str, other.str)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return str; |
| } |
| |
| /** |
| * @return the features associated with the source |
| */ |
| public JexlFeatures getFeatures() { |
| return features; |
| } |
| |
| } |