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.processor.interceptor;
018    
019    import org.apache.camel.Processor;
020    import org.apache.camel.model.ProcessorDefinition;
021    
022    /**
023     * Factory to create the trace interceptor.
024     */
025    public interface TraceInterceptorFactory {
026    
027        /**
028         * Create a trace interceptor.
029         * <p/>
030         * It is expected that the factory will create a subclass of {@link TraceInterceptor},
031         * however any Processor will suffice.
032         * <p/>
033         * Use this factory to take more control of how trace events are persisted.
034         *
035         * @param node      the current node
036         * @param target    the current target
037         * @param formatter the trace formatter
038         * @param tracer    the tracer
039         * @return the created trace interceptor
040         */
041        Processor createTraceInterceptor(ProcessorDefinition<?> node, Processor target, TraceFormatter formatter, Tracer tracer);
042    
043    }