objectstreamclass.html

API資料大全

<!-- ============ FIELD DETAIL =========== -->

<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="NO_FIELDS"><!-- --></A><H3>
NO_FIELDS</H3>
<PRE>
public static final <A HREF="../../java/io/ObjectStreamField.html">ObjectStreamField</A>[] <B>NO_FIELDS</B></PRE>
<DL>
<DD>Set serialPersistentFields of a Serializable class to this value to 
 denote that the class has no Serializable fields.</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->


<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="lookup(java.lang.Class)"><!-- --></A><H3>
lookup</H3>
<PRE>
public static <A HREF="../../java/io/ObjectStreamClass.html">ObjectStreamClass</A> <B>lookup</B>(<A HREF="../../java/lang/Class.html">Class</A>&nbsp;cl)</PRE>
<DL>
<DD>Find the descriptor for a class that can be serialized. 
 Creates an ObjectStreamClass instance if one does not exist 
 yet for class. Null is returned if the specified class does not 
 implement java.io.Serializable or java.io.Externalizable.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>cl</CODE> - class for which to get the descriptor<DT><B>Returns:</B><DD>the class descriptor for the specified class</DL>
</DD>
</DL>
<HR>

<A NAME="getName()"><!-- --></A><H3>
getName</H3>
<PRE>
public <A HREF="../../java/lang/String.html">String</A> <B>getName</B>()</PRE>
<DL>
<DD>The name of the class described by this descriptor.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a <code>String</code> representing the fully qualified name of
 the class</DL>
</DD>
</DL>
<HR>

<A NAME="getSerialVersionUID()"><!-- --></A><H3>
getSerialVersionUID</H3>
<PRE>
public long <B>getSerialVersionUID</B>()</PRE>
<DL>
<DD>Return the serialVersionUID for this class.
 The serialVersionUID defines a set of classes all with the same name
 that have evolved from a common root class and agree to be serialized
 and deserialized using a common format.
 NonSerializable classes have a serialVersionUID of 0L.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the SUID of the class described by this descriptor</DL>
</DD>
</DL>
<HR>

<A NAME="forClass()"><!-- --></A><H3>
forClass</H3>
<PRE>
public <A HREF="../../java/lang/Class.html">Class</A> <B>forClass</B>()</PRE>
<DL>
<DD>Return the class in the local VM that this version is mapped to.
 Null is returned if there is no corresponding local class.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the <code>Class</code> instance that this descriptor represents</DL>
</DD>
</DL>
<HR>

<A NAME="getFields()"><!-- --></A><H3>
getFields</H3>
<PRE>
public <A HREF="../../java/io/ObjectStreamField.html">ObjectStreamField</A>[] <B>getFields</B>()</PRE>
<DL>
<DD>Return an array of the fields of this serializable class.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>an array containing an element for each persistent
 field of this class. Returns an array of length zero if
 there are no fields.<DT><B>Since: </B><DD>1.2</DD>
</DL>
</DD>
</DL>
<HR>

<A NAME="getField(java.lang.String)"><!-- --></A><H3>
getField</H3>
<PRE>
public <A HREF="../../java/io/ObjectStreamField.html">ObjectStreamField</A> <B>getField</B>(<A HREF="../../java/lang/String.html">String</A>&nbsp;name)</PRE>
<DL>
<DD>Get the field of this class by name.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - the name of the data field to look for<DT><B>Returns:</B><DD>The ObjectStreamField object of the named field or null if there
 is no such named field.</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public <A HREF="../../java/lang/String.html">String</A> <B>toString</B>()</PRE>
<DL>
<DD>Return a string describing this ObjectStreamClass.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../java/lang/Object.html#toString()">toString</A></CODE> in class <CODE><A HREF="../../java/lang/Object.html">Object</A></CODE></DL>
</DD>
<DD>Following copied from class: <CODE>java.lang.Object</CODE></DD>
<DD><DL>
<DT><B>Returns:</B><DD>a string representation of the object.</DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<HR>

<!-- ========== START OF NAVBAR ========== -->
<A NAME="navbar_bottom"><!-- --></A>
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0">
<TR>
<TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
<A NAME="navbar_bottom_firstrow"><!-- --></A>
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3">
  <TR ALIGN="center" VALIGN="top">
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/ObjectStreamClass.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
  </TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
<b>Java<sup><font size=-2>TM</font></sup>&nbsp;2&nbsp;Platform<br>Std.&nbsp;Ed. v1.3</b></EM>
</TD>
</TR>

<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../java/io/ObjectOutputStream.PutField.html"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../java/io/ObjectStreamField.html"><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>  &nbsp;
&nbsp;<A HREF="ObjectStreamClass.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD>
</TR>
<TR>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
  SUMMARY: &nbsp;INNER&nbsp;|&nbsp;<A HREF="#field_summary">FIELD</A>&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL: &nbsp;<A HREF="#field_detail">FIELD</A>&nbsp;|&nbsp;CONSTR&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<!-- =========== END OF NAVBAR =========== -->

<HR>
<font size="-1"><a href="http://java.sun.com/cgi-bin/bugreport.cgi">Submit a bug or feature</a><br>For further API reference and developer documentation, see <a href="http://java.sun.com/products/jdk/1.3/devdocs-vs-specs.html">Java 2 SDK SE Developer Documentation</a>. That documentation  contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. <p>Java, Java 2D, and JDBC are trademarks or registered trademarks of Sun Microsystems, Inc. in the US and other countries.<br>Copyright 1993-2000 Sun Microsystems, Inc. 901 San Antonio Road<br>Palo Alto, California, 94303, U.S.A.  All Rights Reserved.</font>
</BODY>
</HTML>