SPR-7443 - Mentioned @ConstructorProperties in doc
If you want to reference parameters by name in XML configuration you can also use @ConstructorProperties to name the parameters in the class.
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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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