Package org.oddjob.script

Class InvokeType

java.lang.Object
org.oddjob.script.InvokeType
All Implemented Interfaces:
ArooaValue, ArooaSessionAware
public class InvokeType extends Object implements ArooaValue, ArooaSessionAware
Author:
Rob.

Description

Invoke a java method or script snippet, or JMX operation.

For a script, the source must be a javax.script.Invocable object.

Example

Invoke a method on a bean. The method takes a single date parameter which is uses to generate a time of day dependent greeting. 
<oddjob>

    <job>

        <sequential>

            <jobs>

                <variables id="vars">

                    <message>

                        <invoke function="greeting">

                            <source>

                                <bean class="org.oddjob.script.GreetingService"/>

                            </source>

                            <parameters>

                                <schedule>

                                    <date>

                                        <value value="${date}"/>

                                    </date>

                                    <schedule>

                                        <schedules:now xmlns:schedules="http://rgordon.co.uk/oddjob/schedules"/>

                                    </schedule>

                                </schedule>

                            </parameters>

                        </invoke>

                    </message>

                </variables>

                <echo id="echo-greeting">${vars.message}</echo>

            </jobs>

        </sequential>

    </job>

</oddjob>
The ${date} reference is there so that it can be injected during a test, to get a guaranteed result. When this is example is run as is, this is null so the system clock to be used there by giving a real time based greeting.

One subtle point to note about Oddjob configuration that this example highlights is to do with when types are resolved. The invoke type will be resolved when the echo job is run. The schedule type will be resolved when the variables job is run. If the echo job were scheduled to run several hours after the variables job had run it would not give the correct greeting!Invoke a static method of a class. 

<oddjob>

    <job>

        <sequential>

            <jobs>

                <variables id="vars">

                    <message>

                        <invoke function="static greetPerson">

                            <source>

                                <class name="org.oddjob.script.GreetingService"/>

                            </source>

                            <parameters>

                                <value value="John"/>

                            </parameters>

                        </invoke>

                    </message>

                </variables>

                <echo id="echo-greeting">${vars.message}</echo>

            </jobs>

        </sequential>

    </job>

</oddjob>
Invoking a function of a script. See the ScriptJob examples.

  • Constructor Details

    • InvokeType

      public InvokeType()

  • Method Details

    • setArooaSession

      public void setArooaSession(ArooaSession session)
      Description copied from interface: ArooaSessionAware
      Accept the current Arooa Session.
      Specified by:
      setArooaSession in interface ArooaSessionAware
      Parameters:
      session - The Arooa Session. Never null.

    • toValue

      public Object toValue() throws Throwable
      Throws:
      Throwable

    • getSource

      public Invoker getSource()

    • setSource

      public void setSource(Invoker source)

    • getFunction

      public String getFunction()

    • setFunction

      public void setFunction(String function)

    • getParameters

      public ArooaValue getParameters(int index)

    • setParameters

      public void setParameters(int index, ArooaValue parameter)

    • getArgs

      public Object[] getArgs()

    • setArgs

      public void setArgs(Object[] args)

    • toString

      public String toString()
      Overrides:
      toString in class Object