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ProviderLookup (Guice 1.0 API)
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com.google.inject.spi</FONT>
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Class ProviderLookup<T></H2>
<PRE>
<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.google.inject.spi.ProviderLookup<T></B>
</PRE>
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<DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../com/google/inject/spi/Element.html" title="interface in com.google.inject.spi">Element</A></DD>
</DL>
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<DT><PRE>public final class <B>ProviderLookup<T></B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements <A HREF="../../../../com/google/inject/spi/Element.html" title="interface in com.google.inject.spi">Element</A></DL>
</PRE>
<P>
A lookup of the provider for a type. Lookups are created explicitly in a module using
<A HREF="../../../../com/google/inject/Binder.html#getProvider(java.lang.Class)"><CODE>getProvider()</CODE></A> statements:
<pre>
Provider<PaymentService> paymentServiceProvider
= getProvider(PaymentService.class);</pre>
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<TH ALIGN="left"><B>Nested classes/interfaces inherited from interface com.google.inject.spi.<A HREF="../../../../com/google/inject/spi/Element.html" title="interface in com.google.inject.spi">Element</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../com/google/inject/spi/Element.Visitor.html" title="interface in com.google.inject.spi">Element.Visitor</A><<A HREF="../../../../com/google/inject/spi/Element.Visitor.html" title="type parameter in Element.Visitor">V</A>></CODE></TD>
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<CODE><T> T</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../../../com/google/inject/spi/ProviderLookup.html#acceptVisitor(com.google.inject.spi.Element.Visitor)">acceptVisitor</A></B>(<A HREF="../../../../com/google/inject/spi/Element.Visitor.html" title="interface in com.google.inject.spi">Element.Visitor</A><T> visitor)</CODE>
<BR>
Accepts an element visitor.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../com/google/inject/Provider.html" title="interface in com.google.inject">Provider</A><<A HREF="../../../../com/google/inject/spi/ProviderLookup.html" title="type parameter in ProviderLookup">T</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/inject/spi/ProviderLookup.html#getDelegate()">getDelegate</A></B>()</CODE>
<BR>
Returns the delegate provider, or <code>null</code> if it has not yet been initialized.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../../com/google/inject/Key.html" title="class in com.google.inject">Key</A><<A HREF="../../../../com/google/inject/spi/ProviderLookup.html" title="type parameter in ProviderLookup">T</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/inject/spi/ProviderLookup.html#getKey()">getKey</A></B>()</CODE>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/inject/spi/ProviderLookup.html#getSource()">getSource</A></B>()</CODE>
<BR>
Returns an arbitrary object containing information about the "place" where this element was
configured.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/inject/spi/ProviderLookup.html#initDelegate(com.google.inject.Provider)">initDelegate</A></B>(<A HREF="../../../../com/google/inject/Provider.html" title="interface in com.google.inject">Provider</A><<A HREF="../../../../com/google/inject/spi/ProviderLookup.html" title="type parameter in ProviderLookup">T</A>> delegate)</CODE>
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<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<A NAME="getSource()"><!-- --></A><H3>
getSource</H3>
<PRE>
public <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getSource</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../com/google/inject/spi/Element.html#getSource()">Element</A></CODE></B></DD>
<DD>Returns an arbitrary object containing information about the "place" where this element was
configured. Used by Guice in the production of descriptive error messages.
<p>Tools might specially handle types they know about; <code>StackTraceElement</code> is a good
example. Tools should simply call <code>toString()</code> on the source object if the type is
unfamiliar.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/google/inject/spi/Element.html#getSource()">getSource</A></CODE> in interface <CODE><A HREF="../../../../com/google/inject/spi/Element.html" title="interface in com.google.inject.spi">Element</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="getKey()"><!-- --></A><H3>
getKey</H3>
<PRE>
public <A HREF="../../../../com/google/inject/Key.html" title="class in com.google.inject">Key</A><<A HREF="../../../../com/google/inject/spi/ProviderLookup.html" title="type parameter in ProviderLookup">T</A>> <B>getKey</B>()</PRE>
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<A NAME="acceptVisitor(com.google.inject.spi.Element.Visitor)"><!-- --></A><H3>
acceptVisitor</H3>
<PRE>
public <T> T <B>acceptVisitor</B>(<A HREF="../../../../com/google/inject/spi/Element.Visitor.html" title="interface in com.google.inject.spi">Element.Visitor</A><T> visitor)</PRE>
<DL>
<DD><B>Description copied from interface: <CODE><A HREF="../../../../com/google/inject/spi/Element.html#acceptVisitor(com.google.inject.spi.Element.Visitor)">Element</A></CODE></B></DD>
<DD>Accepts an element visitor. Invokes the visitor method specific to this element's type.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/google/inject/spi/Element.html#acceptVisitor(com.google.inject.spi.Element.Visitor)">acceptVisitor</A></CODE> in interface <CODE><A HREF="../../../../com/google/inject/spi/Element.html" title="interface in com.google.inject.spi">Element</A></CODE></DL>
</DD>
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<DT><B>Parameters:</B><DD><CODE>visitor</CODE> - to call back on</DL>
</DD>
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<A NAME="initDelegate(com.google.inject.Provider)"><!-- --></A><H3>
initDelegate</H3>
<PRE>
public void <B>initDelegate</B>(<A HREF="../../../../com/google/inject/Provider.html" title="interface in com.google.inject">Provider</A><<A HREF="../../../../com/google/inject/spi/ProviderLookup.html" title="type parameter in ProviderLookup">T</A>> delegate)</PRE>
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<DD><DL>
</DL>
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<A NAME="getDelegate()"><!-- --></A><H3>
getDelegate</H3>
<PRE>
public <A HREF="../../../../com/google/inject/Provider.html" title="interface in com.google.inject">Provider</A><<A HREF="../../../../com/google/inject/spi/ProviderLookup.html" title="type parameter in ProviderLookup">T</A>> <B>getDelegate</B>()</PRE>
<DL>
<DD>Returns the delegate provider, or <code>null</code> if it has not yet been initialized. The delegate
will be initialized when this element is processed, or otherwise used to create an injector.
<P>
<DD><DL>
</DL>
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