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 javax.xml.bind.annotation.XmlAccessType;
020 import javax.xml.bind.annotation.XmlAccessorType;
021 import javax.xml.bind.annotation.XmlRootElement;
022
023 import org.apache.camel.Predicate;
024 import org.apache.camel.builder.ExpressionClause;
025 import org.apache.camel.model.language.ExpressionDefinition;
026 import org.apache.camel.processor.FilterProcessor;
027 import org.apache.camel.spi.RouteContext;
028
029 /**
030 * Represents an XML <filter/> element
031 *
032 * @version $Revision: 750806 $
033 */
034 @XmlRootElement(name = "filter")
035 @XmlAccessorType(XmlAccessType.FIELD)
036 public class FilterDefinition extends ExpressionNode implements Block {
037
038 public FilterDefinition() {
039 }
040
041 public FilterDefinition(ExpressionDefinition expression) {
042 super(expression);
043 }
044
045 public FilterDefinition(Predicate predicate) {
046 super(predicate);
047 }
048
049 @Override
050 public String toString() {
051 return "Filter[" + getExpression() + " -> " + getOutputs() + "]";
052 }
053
054 @Override
055 public String getShortName() {
056 return "filter";
057 }
058
059
060 @Override
061 public FilterProcessor createProcessor(RouteContext routeContext) throws Exception {
062 return createFilterProcessor(routeContext);
063 }
064
065 // Fluent API
066 //-------------------------------------------------------------------------
067 /**
068 * Set the expression that this FilterType will use
069 * @return the builder
070 */
071 public ExpressionClause<FilterDefinition> expression() {
072 return ExpressionClause.createAndSetExpression(this);
073 }
074 }