001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.processor.exceptionpolicy;
018    
019    import org.apache.camel.model.WhenType;
020    
021    /**
022     * Exception policy key is a compound key for storing:
023     * <b>exception class</b> + <b>when</b> => <b>exception type</b>.
024     * <p/>
025     * This is used by Camel to store the onException types configued that has or has not predicates attached (when).
026     */
027    public final class ExceptionPolicyKey {
028    
029        private final Class exceptionClass;
030        private final WhenType when;
031    
032        public ExceptionPolicyKey(Class exceptionClass, WhenType when) {
033            this.exceptionClass = exceptionClass;
034            this.when = when;
035        }
036    
037        public Class getExceptionClass() {
038            return exceptionClass;
039        }
040    
041        public WhenType getWhen() {
042            return when;
043        }
044    
045        public static ExceptionPolicyKey newInstance(Class exceptionClass) {
046            return new ExceptionPolicyKey(exceptionClass, null);
047        }
048    
049        public static ExceptionPolicyKey newInstance(Class exceptionClass, WhenType when) {
050            return new ExceptionPolicyKey(exceptionClass, when);
051        }
052    
053        @Override
054        public boolean equals(Object o) {
055            if (this == o) {
056                return true;
057            }
058            if (o == null || getClass() != o.getClass()) {
059                return false;
060            }
061    
062            ExceptionPolicyKey that = (ExceptionPolicyKey) o;
063    
064            if (!exceptionClass.equals(that.exceptionClass)) {
065                return false;
066            }
067            if (when != null ? !when.equals(that.when) : that.when != null) {
068                return false;
069            }
070    
071            return true;
072        }
073    
074        @Override
075        public int hashCode() {
076            int result = exceptionClass.hashCode();
077            result = 31 * result + (when != null ? when.hashCode() : 0);
078            return result;
079        }
080    
081        @Override
082        public String toString() {
083            return "ExceptionPolicyKey[" + exceptionClass + (when != null ? " " + when : "") + "]";
084        }
085    }