FlowA.java

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package com.sun.faces.test.javaee6web.flowcall;

import java.io.Serializable;
import javax.enterprise.inject.Produces;
import javax.faces.flow.Flow;
import javax.faces.flow.builder.FlowBuilder;
import javax.faces.flow.builder.FlowDefinition;
import javax.faces.flow.builder.FlowBuilderParameter;

public class FlowA implements Serializable {

    private static final long serialVersionUID = -7623501087369765218L;

    public FlowA() {
    }

    @Produces
    @FlowDefinition
    public Flow buildMyFlow(@FlowBuilderParameter FlowBuilder flowBuilder) {
        String flowId = "flow-a";
        flowBuilder.id("unique", flowId);
        flowBuilder.returnNode("taskFlowReturn1").
                fromOutcome("#{flow_a_Bean.returnValue}");
        flowBuilder.inboundParameter("param1FromFlowB", "#{flowScope.param1Value}");
        flowBuilder.inboundParameter("param2FromFlowB", "#{flowScope.param2Value}");
        flowBuilder.flowCallNode("callB").flowReference("", "flow-b").
                outboundParameter("param1FromFlowA", "param1Value").
                outboundParameter("param2FromFlowA", "param2Value");

        return flowBuilder.getFlow();
    }
}