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The Core Camel Java DSL based router

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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.model.language;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlRootElement;

import org.apache.camel.spi.Metadata;

/**
 * Reference to an existing Camel expression or predicate, which is looked up from the Camel registry.
 */
@Metadata(firstVersion = "2.8.0", label = "language,core", title = "Ref")
@XmlRootElement(name = "ref")
@XmlAccessorType(XmlAccessType.FIELD)
public class RefExpression extends ExpressionDefinition {

    public RefExpression() {
    }

    public RefExpression(String ref) {
        super(ref);
    }

    public String getLanguage() {
        return "ref";
    }

}