/**
 * 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.interceptor;

import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.model.ProcessorDefinition;
import org.apache.camel.processor.DelayProcessorSupport;

/**
 * An interceptor for delaying routes.
 */
public class DelayInterceptor extends DelayProcessorSupport {

    private final ProcessorDefinition<?> node;
    private Delayer delayer;

    public DelayInterceptor(ProcessorDefinition<?> node, Processor target, Delayer delayer) {
        super(target);
        this.node = node;
        this.delayer = delayer;
    }

    @Override
    public String toString() {
        return "DelayInterceptor[delay: " + delayer.getDelay() + " on: " + node + "]";
    }

    public void delay(Exchange exchange) throws Exception {
        if (delayer.isEnabled()) {
            long time = currentSystemTime() + delayer.getDelay();
            waitUntil(time, exchange);
        }
    }
}
