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 */ 017package org.apache.camel.impl; 018 019import java.util.ArrayDeque; 020import java.util.Deque; 021import java.util.HashMap; 022import java.util.Map; 023 024import org.apache.camel.Exchange; 025import org.apache.camel.spi.ClaimCheckRepository; 026 027/** 028 * The default {@link ClaimCheckRepository} implementation that is an in-memory storage. 029 */ 030public class DefaultClaimCheckRepository implements ClaimCheckRepository { 031 032 private final Map<String, Exchange> map = new HashMap<>(); 033 private final Deque<Exchange> stack = new ArrayDeque<>(); 034 035 @Override 036 public boolean add(String key, Exchange exchange) { 037 return map.put(key, exchange) == null; 038 } 039 040 @Override 041 public boolean contains(String key) { 042 return map.containsKey(key); 043 } 044 045 @Override 046 public Exchange get(String key) { 047 return map.get(key); 048 } 049 050 @Override 051 public Exchange getAndRemove(String key) { 052 return map.remove(key); 053 } 054 055 @Override 056 public void push(Exchange exchange) { 057 stack.push(exchange); 058 } 059 060 @Override 061 public Exchange pop() { 062 if (!stack.isEmpty()) { 063 return stack.pop(); 064 } else { 065 return null; 066 } 067 } 068 069 @Override 070 public void clear() { 071 map.clear(); 072 stack.clear(); 073 } 074 075 @Override 076 public void start() throws Exception { 077 // noop 078 } 079 080 @Override 081 public void stop() throws Exception { 082 // noop 083 } 084}