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When
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javax.annotation.meta</FONT>
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Enum When</H2>
<PRE>
java.lang.Object
  <IMG SRC="../../../resources/inherit.gif" ALT="extended by ">java.lang.Enum&lt;<A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A>&gt;
      <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>javax.annotation.meta.When</B>
</PRE>
<DL>
<DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, java.lang.Comparable&lt;<A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A>&gt;</DD>
</DL>
<HR>
<DL>
<DT><PRE>public enum <B>When</B><DT>extends java.lang.Enum&lt;<A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A>&gt;</DL>
</PRE>

<P>
Used to describe the relationship between a qualifier T and the set of values
 S possible on an annotated element.
 
 In particular, an issues should be reported if an ALWAYS or MAYBE value is
 used where a NEVER value is required, or if a NEVER or MAYBE value is used
 where an ALWAYS value is required.
<P>

<P>
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<P>
<!-- =========== ENUM CONSTANT SUMMARY =========== -->

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<TD><CODE><B><A HREF="../../../javax/annotation/meta/When.html#ALWAYS">ALWAYS</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;S is a subset of T</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../javax/annotation/meta/When.html#MAYBE">MAYBE</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;S intersection T is non empty and S - T is nonempty</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../javax/annotation/meta/When.html#NEVER">NEVER</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;S intersection T is empty</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><B><A HREF="../../../javax/annotation/meta/When.html#UNKNOWN">UNKNOWN</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;nothing definitive is known about the relation between S and T</TD>
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<CODE>static&nbsp;<A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/annotation/meta/When.html#valueOf(java.lang.String)">valueOf</A></B>(java.lang.String&nbsp;name)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the enum constant of this type with the specified name.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/annotation/meta/When.html#values()">values</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an array containing the constants of this enum type, in
the order they're declared.</TD>
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<TD><CODE>compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf</CODE></TD>
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<TD><CODE>getClass, notify, notifyAll, wait, wait, wait</CODE></TD>
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<A NAME="ALWAYS"><!-- --></A><H3>
ALWAYS</H3>
<PRE>
public static final <A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A> <B>ALWAYS</B></PRE>
<DL>
<DD>S is a subset of T
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="UNKNOWN"><!-- --></A><H3>
UNKNOWN</H3>
<PRE>
public static final <A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A> <B>UNKNOWN</B></PRE>
<DL>
<DD>nothing definitive is known about the relation between S and T
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="MAYBE"><!-- --></A><H3>
MAYBE</H3>
<PRE>
public static final <A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A> <B>MAYBE</B></PRE>
<DL>
<DD>S intersection T is non empty and S - T is nonempty
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="NEVER"><!-- --></A><H3>
NEVER</H3>
<PRE>
public static final <A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A> <B>NEVER</B></PRE>
<DL>
<DD>S intersection T is empty
<P>
<DL>
</DL>
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<A NAME="values()"><!-- --></A><H3>
values</H3>
<PRE>
public static final <A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A>[] <B>values</B>()</PRE>
<DL>
<DD>Returns an array containing the constants of this enum type, in
the order they're declared.  This method may be used to iterate
over the constants as follows:
<pre>
for(When c : When.values())
        System.out.println(c);
</pre>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>an array containing the constants of this enum type, in
the order they're declared</DL>
</DD>
</DL>
<HR>

<A NAME="valueOf(java.lang.String)"><!-- --></A><H3>
valueOf</H3>
<PRE>
public static <A HREF="../../../javax/annotation/meta/When.html" title="enum in javax.annotation.meta">When</A> <B>valueOf</B>(java.lang.String&nbsp;name)</PRE>
<DL>
<DD>Returns the enum constant of this type with the specified name.
The string must match <I>exactly</I> an identifier used to declare an
enum constant in this type.  (Extraneous whitespace characters are 
not permitted.)
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the name of the enum constant to be returned.
<DT><B>Returns:</B><DD>the enum constant with the specified name
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - if this enum type has no constant
with the specified name</DL>
</DD>
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