| /** |
| * 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; |
| |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlRootElement; |
| |
| import org.apache.camel.Expression; |
| import org.apache.camel.Processor; |
| import org.apache.camel.builder.ExpressionBuilder; |
| import org.apache.camel.model.language.ExpressionDefinition; |
| import org.apache.camel.processor.Delayer; |
| import org.apache.camel.spi.RouteContext; |
| import org.apache.camel.util.ObjectHelper; |
| |
| /** |
| * Represents an XML <delay/> element |
| * |
| * @version $Revision$ |
| */ |
| @XmlRootElement(name = "delay") |
| @XmlAccessorType(XmlAccessType.FIELD) |
| public class DelayDefinition extends ExpressionNode { |
| |
| public DelayDefinition() { |
| } |
| |
| public DelayDefinition(Expression delay) { |
| super(delay); |
| } |
| |
| @Override |
| public String getLabel() { |
| return "delay"; |
| } |
| |
| @Override |
| public String getShortName() { |
| return "delay"; |
| } |
| |
| @Override |
| public String toString() { |
| return "Delay[" + getExpression() + " -> " + getOutputs() + "]"; |
| } |
| |
| // Fluent API |
| // ------------------------------------------------------------------------- |
| |
| /** |
| * Sets the delay time in millis to delay |
| * |
| * @param delay delay time in millis |
| * @return the builder |
| */ |
| public DelayDefinition delayTime(Long delay) { |
| setExpression(new ExpressionDefinition(ExpressionBuilder.constantExpression(delay))); |
| return this; |
| } |
| |
| @Override |
| public Processor createProcessor(RouteContext routeContext) throws Exception { |
| Processor childProcessor = this.createChildProcessor(routeContext, false); |
| Expression delay = createAbsoluteTimeDelayExpression(routeContext); |
| return new Delayer(childProcessor, delay); |
| } |
| |
| private Expression createAbsoluteTimeDelayExpression(RouteContext routeContext) { |
| ExpressionDefinition expr = getExpression(); |
| if (expr != null) { |
| if (ObjectHelper.isNotEmpty(expr.getExpression()) || expr.getExpressionValue() != null) { |
| return expr.createExpression(routeContext); |
| } |
| } |
| return null; |
| } |
| } |