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| SUMMARY: REQUIRED | <A HREF="#annotation_type_optional_element_summary">OPTIONAL</A></FONT></TD> |
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| com.google.inject</FONT> |
| <BR> |
| Annotation Type Inject</H2> |
| <HR> |
| <DL> |
| <DT><PRE><FONT SIZE="-1"><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/annotation/Target.html" title="class or interface in java.lang.annotation">@Target</A>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/annotation/Target.html#value()" title="class or interface in java.lang.annotation">value</A>={<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/annotation/ElementType.html#METHOD" title="class or interface in java.lang.annotation">METHOD</A>,<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/annotation/ElementType.html#CONSTRUCTOR" title="class or interface in java.lang.annotation">CONSTRUCTOR</A>,<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/annotation/ElementType.html#FIELD" title="class or interface in java.lang.annotation">FIELD</A>}) |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/annotation/Retention.html" title="class or interface in java.lang.annotation">@Retention</A>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/annotation/Retention.html#value()" title="class or interface in java.lang.annotation">value</A>=<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/annotation/RetentionPolicy.html#RUNTIME" title="class or interface in java.lang.annotation">RUNTIME</A>) |
| </FONT>public @interface <B>Inject</B></DL> |
| </PRE> |
| |
| <P> |
| Annotates members of your implementation class (constructors, methods |
| and fields) into which the container should inject references or |
| values. The Container fulfills injection requests for: |
| |
| <ul> |
| <li>Every instance it constructs. The class being constructed must have |
| exactly one of its constructors marked with <code>@Inject</code> or must have a |
| constructor taking no parameters. The container then proceeds to perform |
| method and field injections. |
| |
| <li>Pre-constructed instances passed to <A HREF="../../../com/google/inject/Container.html#injectMembers(java.lang.Object)"><CODE>Container.injectMembers(java.lang.Object)</CODE></A>. |
| In this case any injectable constructor is, of course, ignored. |
| |
| <li>Static fields and methods of classes which any <A HREF="../../../com/google/inject/Module.html" title="interface in com.google.inject"><CODE>Module</CODE></A> has |
| specifically requested static injection for, using |
| <A HREF="../../../com/google/inject/Binder.html#requestStaticInjection(java.lang.Class...)"><CODE>Binder.requestStaticInjection(java.lang.Class<?>...)</CODE></A>. |
| </ul> |
| |
| In all cases, a member can be injected regardless of its Java access |
| specifier (private, default, protected, public). |
| <P> |
| |
| <P> |
| <HR> |
| |
| <P> |
| <!-- =========== ANNOTATION TYPE OPTIONAL MEMBER SUMMARY =========== --> |
| |
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| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Optional Element Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../com/google/inject/Inject.html#optional()">optional</A></B></CODE> |
| |
| <BR> |
| If true, and the appropriate binding is not present in the container, |
| the container will skip injection of this method or field rather than |
| produce an error.</TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| <A NAME="optional()"><!-- --></A><H3> |
| optional</H3> |
| <PRE> |
| public abstract boolean <B>optional</B></PRE> |
| <DL> |
| <DD>If true, and the appropriate binding is not present in the container, |
| the container will skip injection of this method or field rather than |
| produce an error. When applied to a field, any default value already |
| assigned to the field will remain (guice will not actively null out the |
| field). When applied to a method, the method will only be invoked if |
| bindings for <i>all</i> parameters are found. When applied to a |
| constructor, an error will result upon container creation. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| <DL> |
| <DT><B>Default:</B><DD>false</DD> |
| </DL> |
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