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| SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD> |
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| org.osgi.service.blueprint.container</FONT> |
| <BR> |
| Class ReifiedType</H2> |
| <PRE> |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
| <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.osgi.service.blueprint.container.ReifiedType</B> |
| </PRE> |
| <HR> |
| <DL> |
| <DT><PRE>public class <B>ReifiedType</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL> |
| </PRE> |
| |
| <P> |
| Provides access to a concrete type and its optional generic type parameters. |
| |
| <p> |
| Java 5 and later support generic types. These types consist of a raw class |
| with type parameters. This class models such a <code>Type</code> class but |
| ensures that the type is <em>reified</em>. Reification means that the Type |
| graph associated with a Java 5 <code>Type</code> instance is traversed until |
| the type becomes a concrete class. This class is available with the |
| <A HREF="../../../../../org/osgi/service/blueprint/container/ReifiedType.html#getRawClass()"><CODE>getRawClass()</CODE></A> method. The optional type parameters are recursively |
| represented as Reified Types. |
| |
| <p> |
| In Java 1.4, a class has by definition no type parameters. This class |
| implementation provides the Reified Type for Java 1.4 by making the raw class |
| the Java 1.4 class and using a Reified Type based on the <code>Object</code> |
| class for any requested type parameter. |
| |
| <p> |
| A Blueprint extender implementations can subclass this class and provide |
| access to the generic type parameter graph for conversion. Such a subclass |
| must <em>reify</em> the different Java 5 <code>Type</code> instances into the |
| reified form. That is, a form where the raw Class is available with its |
| optional type parameters as Reified Types. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Version:</B></DT> |
| <DD>$Revision: 896324 $</DD> |
| </DL> |
| <HR> |
| |
| <P> |
| |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| |
| <A NAME="constructor_summary"><!-- --></A> |
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| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Constructor Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../../../org/osgi/service/blueprint/container/ReifiedType.html#ReifiedType(java.lang.Class)">ReifiedType</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> clazz)</CODE> |
| |
| <BR> |
| Create a Reified Type for a raw Java class without any generic type |
| parameters.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
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| <B>Method Summary</B></FONT></TH> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="../../../../../org/osgi/service/blueprint/container/ReifiedType.html" title="class in org.osgi.service.blueprint.container">ReifiedType</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/osgi/service/blueprint/container/ReifiedType.html#getActualTypeArgument(int)">getActualTypeArgument</A></B>(int i)</CODE> |
| |
| <BR> |
| Return a type parameter for this type.</TD> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/osgi/service/blueprint/container/ReifiedType.html#getRawClass()">getRawClass</A></B>()</CODE> |
| |
| <BR> |
| Return the raw class represented by this type.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> int</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/osgi/service/blueprint/container/ReifiedType.html#size()">size</A></B>()</CODE> |
| |
| <BR> |
| Return the number of type parameters for this type.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
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| <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
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| </TABLE> |
| |
| <P> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_detail"><!-- --></A> |
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| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| <B>Constructor Detail</B></FONT></TH> |
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| </TABLE> |
| |
| <A NAME="ReifiedType(java.lang.Class)"><!-- --></A><H3> |
| ReifiedType</H3> |
| <PRE> |
| public <B>ReifiedType</B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> clazz)</PRE> |
| <DL> |
| <DD>Create a Reified Type for a raw Java class without any generic type |
| parameters. Subclasses can provide the optional generic type parameter |
| information. Without subclassing, this instance has no type parameters. |
| <P> |
| <DL> |
| <DT><B>Parameters:</B><DD><CODE>clazz</CODE> - The raw class of the Reified Type.</DL> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
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| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
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| <B>Method Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="getRawClass()"><!-- --></A><H3> |
| getRawClass</H3> |
| <PRE> |
| public <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A> <B>getRawClass</B>()</PRE> |
| <DL> |
| <DD>Return the raw class represented by this type. |
| |
| The raw class represents the concrete class that is associated with a |
| type declaration. This class could have been deduced from the generics |
| type parameter graph of the declaration. For example, in the following |
| example: |
| |
| <pre> |
| Map<String, ? extends Metadata> |
| </pre> |
| |
| The raw class is the Map class. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>The raw class represented by this type.</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getActualTypeArgument(int)"><!-- --></A><H3> |
| getActualTypeArgument</H3> |
| <PRE> |
| public <A HREF="../../../../../org/osgi/service/blueprint/container/ReifiedType.html" title="class in org.osgi.service.blueprint.container">ReifiedType</A> <B>getActualTypeArgument</B>(int i)</PRE> |
| <DL> |
| <DD>Return a type parameter for this type. |
| |
| The type parameter refers to a parameter in a generic type declaration |
| given by the zero-based index <code>i</code>. |
| |
| For example, in the following example: |
| |
| <pre> |
| Map<String, ? extends Metadata> |
| </pre> |
| |
| type parameter 0 is <code>String</code>, and type parameter 1 is |
| <code>Metadata</code>. |
| |
| <p> |
| This implementation returns a Reified Type that has <code>Object</code> |
| as class. Any object is assignable to Object and therefore no conversion |
| is then necessary. This is compatible with versions of Java language |
| prior to Java 5. |
| |
| This method should be overridden by a subclass that provides access to |
| the generic type parameter information for Java 5 and later. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>i</CODE> - The zero-based index of the requested type parameter. |
| <DT><B>Returns:</B><DD>The <code>ReifiedType</code> for the generic type parameter at |
| the specified index.</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="size()"><!-- --></A><H3> |
| size</H3> |
| <PRE> |
| public int <B>size</B>()</PRE> |
| <DL> |
| <DD>Return the number of type parameters for this type. |
| |
| <p> |
| This implementation returns <code>0</code>. This method should be |
| overridden by a subclass that provides access to the generic type |
| parameter information for Java 5 and later. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>The number of type parameters for this type.</DL> |
| </DD> |
| </DL> |
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