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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_13) on Tue Jun 05 11:36:21 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>FactoryUsingVolatileDependencies (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.factory.FactoryUsingVolatileDependencies class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="FactoryUsingVolatileDependencies (Geotools 2.3.x 2.3.2 API)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/FactoryUsingVolatileDependencies.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../org/geotools/factory/FactoryRegistry.html" title="class in org.geotools.factory"><B>PREV CLASS</B></A> <A HREF="../../../org/geotools/factory/Hints.html" title="class in org.geotools.factory"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="FactoryUsingVolatileDependencies.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#fields_inherited_from_class_AbstractFactory">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#methods_inherited_from_class_AbstractFactory">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | METHOD</FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.geotools.factory</FONT><BR>Class FactoryUsingVolatileDependencies</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../org/geotools/factory/AbstractFactory.html" title="class in org.geotools.factory">AbstractFactory</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>FactoryUsingVolatileDependencies</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../org/geotools/factory/Factory.html" title="interface in org.geotools.factory">Factory</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/RegisterableService.html" title="class or interface in javax.imageio.spi">RegisterableService</A></DD></DL><HR><B>Deprecated.</B> <I>This class should be a marker interface instead of an subclass. We will make this change in a future version. When this change is done, <A HREF="../../../org/geotools/referencing/factory/AllAuthoritiesFactory.html" title="class in org.geotools.referencing.factory"><CODE>AllAuthoritiesFactory</CODE></A> should implement this interface.</I><P><DL><DT>public class <B>FactoryUsingVolatileDependencies</B><DT>extends <A HREF="../../../org/geotools/factory/AbstractFactory.html" title="class in org.geotools.factory">AbstractFactory</A></DL><P>A factory that can not determines all its dependencies at construction time. Because this factory may creates new factories at any time, it must keep all user-supplied hints. The general contract of <A HREF="../../../org/geotools/factory/AbstractFactory.html#hints"><CODE>AbstractFactory.hints</CODE></A> said that we can't use this field for creating new factories. But instances of this classe are special cases where we can, because this class retains all user-supplied hints. <p>Extends this class only if you really need to keep all user-supplied hints, because doing so has a cost:</p> <ul> <li><p><A HREF="../../../org/geotools/factory/FactoryRegistry.html" title="class in org.geotools.factory"><CODE>FactoryRegistry</CODE></A> is less likely to reuse existing factory instances, because any value found in <A HREF="../../../org/geotools/factory/AbstractFactory.html#hints"><CODE>AbstractFactory.hints</CODE></A> that do not agree with a user-supplied hint will cause to discarts this instance, even if the hint was actually irrelevant to this factory.</p></li> <li><p>The user-supplied hints may contain references to big objects (for example a coordinate transform backed by a grid), and some of them may not be relevant to this factory. Retaining all hints will prevents their garbage collection.<p></li> </ul><P><P><DL><DT><B>Author:</B></DT> <DD>Martin Desruisseaux</DD><DT><B>Module:</B></DT><DD><CODE><B>module/referencing</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-referencing/"><CODE>gt2-referencing.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/referencing/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/referencing/src/org/geotools/factory/FactoryUsingVolatileDependencies.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR></TABLE> <A NAME="fields_inherited_from_class_AbstractFactory"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class <A HREF="../../../org/geotools/factory/AbstractFactory.html" title="class in org.geotools.factory">AbstractFactory</A></B></TD>⌨️ 快捷键说明
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