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@ -170,9 +170,27 @@ public class ExampleBean { |
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<constructor-arg name="ultimateanswer" value="42"/> |
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</bean></programlisting> |
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<para>Keep in mind that your code has to be compiled with the debug |
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flag enabled so that Spring can lookup the parameter name from the |
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constructor.</para> |
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<para>Keep in mind that to make this work out of the box your code |
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has to be compiled with the debug flag enabled so that Spring can |
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lookup the parameter name from the constructor. If you can't compile |
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your code with debug flag (or don't want to) you can use |
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<interfacename><ulink |
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url="http://download.oracle.com/javase/6/docs/api/java/beans/ConstructorProperties.html">@ConstructorProperties</ulink></interfacename> |
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JDK annotation to explicitly name your constructor arguments. The |
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sample class would then have to look as follows:</para> |
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<programlisting language="java">package examples; |
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public class ExampleBean { |
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<lineannotation>// </lineannotation>Fields omitted |
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@ConstructorProperties({"years", "ultimateAnswer"}) |
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public ExampleBean(int years, String ultimateAnswer) { |
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this.years = years; |
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this.ultimateAnswer = ultimateAnswer; |
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} |
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}</programlisting> |
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</section> |
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</section> |
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</section> |
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