On 27/10/2009, [email protected] <[email protected]> wrote:
> Author: scolebourne
> Date: Tue Oct 27 00:59:15 2009
> New Revision: 830040
>
> URL: http://svn.apache.org/viewvc?rev=830040&view=rev
> Log:
> LANG-487 - Make default style thread-safe (better Javadoc)
>
> Modified:
>
> commons/proper/lang/trunk/src/java/org/apache/commons/lang/builder/ToStringBuilder.java
>
> Modified:
> commons/proper/lang/trunk/src/java/org/apache/commons/lang/builder/ToStringBuilder.java
> URL:
> http://svn.apache.org/viewvc/commons/proper/lang/trunk/src/java/org/apache/commons/lang/builder/ToStringBuilder.java?rev=830040&r1=830039&r2=830040&view=diff
>
> ==============================================================================
> ---
> commons/proper/lang/trunk/src/java/org/apache/commons/lang/builder/ToStringBuilder.java
> (original)
> +++
> commons/proper/lang/trunk/src/java/org/apache/commons/lang/builder/ToStringBuilder.java
> Tue Oct 27 00:59:15 2009
> @@ -106,7 +106,9 @@
> * It is recommended to pass a <code>ToStringStyle</code> to the
> constructor instead
> * of using this global default.</p>
> *
> - * <p>This method is thread-safe, as a <code>volatile</code variable is
> used internally.</p>
> + * <p>This method is not intended for use from multiple threads.
Surely the *get* method is intended to be called by multiple threads?
Otherwise why bother with volatile?
> + * Internally, a <code>volatile</code> variable is used to provide the
> guarantee
> + * that the latest value set using {...@link #setDefaultStyle} is the
> value returned.</p>
> *
> * <p>One reason for changing the default could be to have a verbose
> style during
> * development and a compact style in production.</p>
> @@ -125,7 +127,9 @@
> * It is recommended to pass a <code>ToStringStyle</code> to the
> constructor instead
> * of changing this global default.</p>
> *
> - * <p>This method is thread-safe, as a <code>volatile</code variable is
> used internally.</p>
> + * <p>This method is not intended for use from multiple threads.
> + * Internally, a <code>volatile</code> variable is used to provide the
> guarantee
> + * that the latest value set is the value returned from {...@link
> #getDefaultStyle}.</p>
+1
> *
> * @param style the default <code>ToStringStyle</code>
> * @throws IllegalArgumentException if the style is <code>null</code>
>
>
>
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