Package org.apache.camel.processor

Source Code of org.apache.camel.processor.RollbackProcessor

/**
* 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.processor;

import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.RollbackExchangeException;
import org.apache.camel.Traceable;
import org.apache.camel.support.ServiceSupport;

/**
* Processor for marking an {@link org.apache.camel.Exchange} to rollback.
*
* @version
*/
public class RollbackProcessor extends ServiceSupport implements Processor, Traceable {

    private boolean markRollbackOnly;
    private boolean markRollbackOnlyLast;
    private String message;

    public RollbackProcessor() {
    }

    public RollbackProcessor(String message) {
        this.message = message;
    }

    public void process(Exchange exchange) throws Exception {
        if (isMarkRollbackOnlyLast()) {
            // only mark the last route (current) as rollback
            // this is needed when you have multiple transactions in play
            exchange.setProperty(Exchange.ROLLBACK_ONLY_LAST, Boolean.TRUE);
        } else {
            // default to mark the entire route as rollback
            exchange.setProperty(Exchange.ROLLBACK_ONLY, Boolean.TRUE);
        }

        if (markRollbackOnly || markRollbackOnlyLast) {
            // do not do anything more as we should only mark the rollback
            return;
        }

        // throw exception to rollback
        if (message != null) {
            throw new RollbackExchangeException(message, exchange);
        } else {
            throw new RollbackExchangeException(exchange);
        }
    }

    @Override
    public String toString() {
        if (message != null) {
            return "Rollback[" + message + "]";
        } else {
            return "Rollback";
        }
    }

    public String getTraceLabel() {
        return "rollback";
    }

    public boolean isMarkRollbackOnly() {
        return markRollbackOnly;
    }

    public void setMarkRollbackOnly(boolean markRollbackOnly) {
        this.markRollbackOnly = markRollbackOnly;
    }

    public boolean isMarkRollbackOnlyLast() {
        return markRollbackOnlyLast;
    }

    public void setMarkRollbackOnlyLast(boolean markRollbackOnlyLast) {
        this.markRollbackOnlyLast = markRollbackOnlyLast;
    }

    @Override
    protected void doStart() throws Exception {
        // noop
    }

    @Override
    protected void doStop() throws Exception {
        // noop
    }
}
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