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.reifier;
018
019import org.apache.camel.Expression;
020import org.apache.camel.Processor;
021import org.apache.camel.Route;
022import org.apache.camel.model.IdempotentConsumerDefinition;
023import org.apache.camel.model.ProcessorDefinition;
024import org.apache.camel.processor.idempotent.IdempotentConsumer;
025import org.apache.camel.spi.IdempotentRepository;
026import org.apache.camel.util.ObjectHelper;
027
028public class IdempotentConsumerReifier extends ExpressionReifier<IdempotentConsumerDefinition> {
029
030    public IdempotentConsumerReifier(Route route, ProcessorDefinition<?> definition) {
031        super(route, IdempotentConsumerDefinition.class.cast(definition));
032    }
033
034    @Override
035    public Processor createProcessor() throws Exception {
036        Processor childProcessor = this.createChildProcessor(true);
037
038        IdempotentRepository idempotentRepository = resolveMessageIdRepository();
039        ObjectHelper.notNull(idempotentRepository, "idempotentRepository", definition);
040
041        Expression expression = createExpression(definition.getExpression());
042
043        // these boolean should be true by default
044        boolean eager = parseBoolean(definition.getEager(), true);
045        boolean duplicate = parseBoolean(definition.getSkipDuplicate(), true);
046        boolean remove = parseBoolean(definition.getRemoveOnFailure(), true);
047
048        // these boolean should be false by default
049        boolean completionEager = parseBoolean(definition.getCompletionEager(), false);
050
051        return new IdempotentConsumer(expression, idempotentRepository, eager, completionEager, duplicate, remove, childProcessor);
052    }
053
054    /**
055     * Strategy method to resolve the
056     * {@link org.apache.camel.spi.IdempotentRepository} to use
057     *
058     * @return the repository
059     */
060    protected <T> IdempotentRepository resolveMessageIdRepository() {
061        if (definition.getMessageIdRepositoryRef() != null) {
062            definition.setMessageIdRepository(mandatoryLookup(parseString(definition.getMessageIdRepositoryRef()), IdempotentRepository.class));
063        }
064        return definition.getMessageIdRepository();
065    }
066}