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.model;
018
019 import java.util.ArrayList;
020 import java.util.List;
021
022 import javax.xml.bind.annotation.XmlAccessType;
023 import javax.xml.bind.annotation.XmlAccessorType;
024 import javax.xml.bind.annotation.XmlElement;
025 import javax.xml.bind.annotation.XmlElementRef;
026
027 import org.apache.camel.Expression;
028 import org.apache.camel.Predicate;
029 import org.apache.camel.Processor;
030 import org.apache.camel.impl.RouteContext;
031 import org.apache.camel.model.language.ExpressionType;
032 import org.apache.camel.processor.FilterProcessor;
033
034 /**
035 * A base class for nodes which contain an expression and a number of outputs
036 *
037 * @version $Revision: $
038 */
039 @XmlAccessorType(XmlAccessType.FIELD)
040 public class ExpressionNode extends ProcessorType {
041 @XmlElementRef
042 private List<InterceptorType> interceptors = new ArrayList<InterceptorType>();
043 @XmlElementRef
044 private ExpressionType expression;
045 @XmlElementRef
046 private List<ProcessorType> outputs = new ArrayList<ProcessorType>();
047
048 public ExpressionNode() {
049 }
050
051 public ExpressionNode(ExpressionType expression) {
052 this.expression = expression;
053 }
054
055 public ExpressionNode(Expression expression) {
056 setExpression(new ExpressionType(expression));
057 }
058
059 public ExpressionNode(Predicate predicate) {
060 setExpression(new ExpressionType(predicate));
061 }
062
063 public List<InterceptorType> getInterceptors() {
064 return interceptors;
065 }
066
067 public void setInterceptors(List<InterceptorType> interceptors) {
068 this.interceptors = interceptors;
069 }
070
071 public ExpressionType getExpression() {
072 return expression;
073 }
074
075 public void setExpression(ExpressionType expression) {
076 this.expression = expression;
077 }
078
079 public List<ProcessorType> getOutputs() {
080 return outputs;
081 }
082
083 public void setOutputs(List<ProcessorType> outputs) {
084 this.outputs = outputs;
085 }
086
087 protected FilterProcessor createFilterProcessor(RouteContext routeContext) throws Exception {
088 Processor childProcessor = routeContext.createProcessor(this);
089 return new FilterProcessor(getExpression().createPredicate(routeContext), childProcessor);
090 }
091
092 @Override
093 protected void configureChild(ProcessorType output) {
094 if (isInheritErrorHandler()) {
095 output.setErrorHandlerBuilder(getErrorHandlerBuilder());
096 }
097 }
098 }