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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 1.5.0_14) on Mon Jan 28 05:47:04 PST 2008 --><TITLE>FlushModeType (Java EE 5)</TITLE><META NAME="keywords" CONTENT="javax.persistence.FlushModeType class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="FlushModeType (Java EE 5)";}</SCRIPT><NOSCRIPT></NOSCRIPT></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=2 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="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="../../javax/persistence/FieldResult.html" title="annotation in javax.persistence"><B>PREV CLASS</B></A> <A HREF="../../javax/persistence/GeneratedValue.html" title="annotation in javax.persistence"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?javax/persistence/FlushModeType.html" target="_top"><B>FRAMES</B></A> <A HREF="FlushModeType.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="#enum_constant_summary">ENUM CONSTANTS</A> | FIELD | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#enum_constant_detail">ENUM CONSTANTS</A> | FIELD | <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">javax.persistence</FONT><BR>Enum FlushModeType</H2><PRE><A HREF="http://java.sun.com/j2se/1.5/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 "><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Enum.html" title="class or interface in java.lang">java.lang.Enum</A><<A HREF="../../javax/persistence/FlushModeType.html" title="enum in javax.persistence">FlushModeType</A>> <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>javax.persistence.FlushModeType</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/j2se/1.5/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A>, <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Comparable.html" title="class or interface in java.lang">Comparable</A><<A HREF="../../javax/persistence/FlushModeType.html" title="enum in javax.persistence">FlushModeType</A>></DD></DL><HR><DL><DT><PRE>public enum <B>FlushModeType</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/Enum.html" title="class or interface in java.lang">Enum</A><<A HREF="../../javax/persistence/FlushModeType.html" title="enum in javax.persistence">FlushModeType</A>></DL></PRE><P>Flush mode setting. <p> When queries are executed within a transaction, if <code>FlushModeType.AUTO</code> is set on the <A HREF="../../javax/persistence/Query.html" title="interface in javax.persistence"><CODE>Query</CODE></A> object, or if the flush mode setting for the persistence context is <code>AUTO</code> (the default) and a flush mode setting has not been specified for the <A HREF="../../javax/persistence/Query.html" title="interface in javax.persistence"><CODE>Query</CODE></A> object, the persistence provider is responsible for ensuring that all updates to the state of all entities in the persistence context which could potentially affect the result of the query are visible to the processing of the query. The persistence provider implementation may achieve this by flushing those entities to the database or by some other means. If <code>FlushModeType.COMMIT</code> is set, the effect of updates made to entities in the persistence context upon queries is unspecified. <p> If there is no transaction active, the persistence provider must not flush to the database.<P><P><DL><DT><B>Since:</B></DT> <DD>Java Persistence 1.0</DD></DL><HR><P><!-- =========== ENUM CONSTANT SUMMARY =========== --><A NAME="enum_constant_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Enum Constant Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/persistence/FlushModeType.html#AUTO">AUTO</A></B></CODE><BR> (Default) Flushing to occur at query execution</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/persistence/FlushModeType.html#COMMIT">COMMIT</A></B></CODE><BR> Flushing must occur only at transaction commit</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"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../javax/persistence/FlushModeType.html" title="enum in javax.persistence">FlushModeType</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/persistence/FlushModeType.html#valueOf(java.lang.String)">valueOf</A></B>(<A HREF="http://java.sun.com/j2se/1.5/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> name)</CODE><BR> Returns the enum constant of this type with the specified name.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../javax/persistence/FlushModeType.html" title="enum in javax.persistence">FlushModeType</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/persistence/FlushModeType.html#values()">values</A></B>()</CODE>⌨️ 快捷键说明
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