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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 11:36:22 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>BufferedProcessor (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.coverage.processing.BufferedProcessor class"><META NAME="keywords" CONTENT="processor"><META NAME="keywords" CONTENT="getOperations()"><META NAME="keywords" CONTENT="getOperation()"><META NAME="keywords" CONTENT="doOperation()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="BufferedProcessor (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/BufferedProcessor.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/coverage/processing/BilevelOperation.html" title="class in org.geotools.coverage.processing"><B>PREV CLASS</B></A> <A HREF="../../../../org/geotools/coverage/processing/DefaultProcessor.html" title="class in org.geotools.coverage.processing"><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="BufferedProcessor.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="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></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.coverage.processing</FONT><BR>Class BufferedProcessor</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/coverage/processing/AbstractProcessor.html" title="class in org.geotools.coverage.processing">AbstractProcessor</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>BufferedProcessor</B></PRE><HR><DL><DT>public class <B>BufferedProcessor</B><DT>extends <A HREF="../../../../org/geotools/coverage/processing/AbstractProcessor.html" title="class in org.geotools.coverage.processing">AbstractProcessor</A></DL><P>A coverage processor caching the result of any operations. Since a grid coverage may be expensive to compute and consumes a lot of memory, we can save a lot of resources by returning cached instances every time the same operation with the same parameters is applied on the same coverage. Coverages are cached using <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/ref/WeakReference.html" title="class or interface in java.lang.ref">weak references</A>.<P><P><DL><DT><B>Since:</B></DT> <DD>2.2</DD><DT><B>Author:</B></DT> <DD>Martin Desruisseaux</DD><DT><B>Module:</B></DT><DD><CODE><B>module/coverage</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-coverage/"><CODE>gt2-coverage.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/coverage/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/coverage/src/org/geotools/coverage/processing/BufferedProcessor.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><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../../org/geotools/coverage/processing/AbstractProcessor.html" title="class in org.geotools.coverage.processing">AbstractProcessor</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/BufferedProcessor.html#processor">processor</A></B></CODE><BR> The underlying processor.</TD></TR></TABLE> <A NAME="fields_inherited_from_class_AbstractProcessor"><!-- --></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/coverage/processing/AbstractProcessor.html" title="class in org.geotools.coverage.processing">AbstractProcessor</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../org/geotools/coverage/processing/AbstractProcessor.html#LOGGER">LOGGER</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractProcessor.html#OPERATION">OPERATION</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/BufferedProcessor.html#BufferedProcessor(org.geotools.coverage.processing.AbstractProcessor)">BufferedProcessor</A></B>(<A HREF="../../../../org/geotools/coverage/processing/AbstractProcessor.html" title="class in org.geotools.coverage.processing">AbstractProcessor</A> processor)</CODE><BR> Creates a new buffered processor backed by the specified processor. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/BufferedProcessor.html#BufferedProcessor(java.awt.RenderingHints)">BufferedProcessor</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/RenderingHints.html" title="class or interface in java.awt">RenderingHints</A> hints)</CODE><BR> Creates a buffered processor backed by a <A HREF="../../../../org/geotools/coverage/processing/DefaultProcessor.html" title="class in org.geotools.coverage.processing">default processor</A> using the specified hints. </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> Coverage</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/BufferedProcessor.html#doOperation(org.opengis.parameter.ParameterValueGroup)">doOperation</A></B>(ParameterValueGroup parameters)</CODE><BR> Applies an operation. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> Operation</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/BufferedProcessor.html#getOperation(java.lang.String)">getOperation</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> name)</CODE><BR> Returns the operation for the specified name. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/BufferedProcessor.html#getOperations()">getOperations</A></B>()</CODE><BR> Retrieves grid processing operations information. </TD></TR></TABLE>⌨️ 快捷键说明
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