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.model.language; 018 019import javax.xml.bind.annotation.XmlAccessType; 020import javax.xml.bind.annotation.XmlAccessorType; 021import javax.xml.bind.annotation.XmlRootElement; 022 023import org.apache.camel.spi.Metadata; 024 025/** 026 * Reference to an existing Camel expression or predicate, which is looked up 027 * from the Camel registry. 028 */ 029@Metadata(firstVersion = "2.8.0", label = "language,core", title = "Ref") 030@XmlRootElement(name = "ref") 031@XmlAccessorType(XmlAccessType.FIELD) 032public class RefExpression extends ExpressionDefinition { 033 034 public RefExpression() { 035 } 036 037 public RefExpression(String ref) { 038 super(ref); 039 } 040 041 @Override 042 public String getLanguage() { 043 return "ref"; 044 } 045 046}