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package org.apache.camel.model; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.List; |
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import javax.xml.bind.annotation.XmlElement; |
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import javax.xml.bind.annotation.XmlElementRef; |
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import javax.xml.bind.annotation.XmlRootElement; |
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import javax.xml.bind.annotation.XmlTransient; |
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import org.apache.camel.Endpoint; |
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import org.apache.camel.Exchange; |
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import org.apache.camel.Expression; |
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import org.apache.camel.Processor; |
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import org.apache.camel.Route; |
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import org.apache.camel.impl.RouteContext; |
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import org.apache.camel.model.language.ExpressionType; |
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import org.apache.camel.processor.Resequencer; |
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@XmlRootElement(name = "resequencer") |
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public class ResequencerType extends ProcessorType { |
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@XmlElementRef |
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private List<InterceptorType> interceptors = new ArrayList<InterceptorType>(); |
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@XmlElementRef |
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private List<ExpressionType> expressions = new ArrayList<ExpressionType>(); |
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@XmlElementRef |
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private List<ProcessorType> outputs = new ArrayList<ProcessorType>(); |
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@XmlTransient |
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private List<Expression> expressionList; |
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public ResequencerType() { |
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} |
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public ResequencerType(List<Expression> expressions) { |
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this.expressionList = expressions; |
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} |
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@Override |
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public String toString() { |
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return "Resequencer[ " + getExpressions() + " -> " + getOutputs() + "]"; |
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} |
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public List<ExpressionType> getExpressions() { |
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return expressions; |
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} |
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public List<InterceptorType> getInterceptors() { |
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return interceptors; |
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} |
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public void setInterceptors(List<InterceptorType> interceptors) { |
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this.interceptors = interceptors; |
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} |
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public List<ProcessorType> getOutputs() { |
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return outputs; |
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} |
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public void setOutputs(List<ProcessorType> outputs) { |
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this.outputs = outputs; |
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} |
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public void addRoutes(RouteContext routeContext, Collection<Route> routes) throws Exception { |
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Endpoint from = routeContext.getEndpoint(); |
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final Processor processor = routeContext.createProcessor(this); |
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final Resequencer resequencer = new Resequencer(from, processor, resolveExpressionList(routeContext)); |
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Route route = new Route<Exchange>(from, resequencer) { |
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@Override |
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public String toString() { |
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return "ResequencerRoute[" + getEndpoint() + " -> " + processor + "]"; |
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} |
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}; |
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routes.add(route); |
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} |
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private List<Expression> resolveExpressionList(RouteContext routeContext) { |
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if (expressionList == null) { |
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expressionList = new ArrayList<Expression>(); |
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for (ExpressionType expression : expressions) { |
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expressionList.add(expression.createExpression(routeContext)); |
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} |
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} |
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if (expressionList.isEmpty()) { |
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throw new IllegalArgumentException("No expressions configured for: " + this); |
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} |
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return expressionList; |
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} |
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} |