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| commonj.sdo.impl</FONT> |
| <BR> |
| Class ExternalizableDelegator</H2> |
| <PRE> |
| java.lang.Object |
| <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>commonj.sdo.impl.ExternalizableDelegator</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD>java.io.Externalizable, java.io.Serializable</DD> |
| </DL> |
| <DL> |
| <DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../org/eclipse/persistence/sdo/SDOExternalizableDelegator.html" title="class in org.eclipse.persistence.sdo">SDOExternalizableDelegator</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public class <B>ExternalizableDelegator</B><DT>extends java.lang.Object<DT>implements java.io.Externalizable</DL> |
| </PRE> |
| |
| <P> |
| Delegates DataObject serialization while ensuring implementation independent |
| java.io.Serialization. An implementation of DataObject |
| returns an ExternalizableDelegator from its writeReplace() method. |
| |
| The root DataObject is the object returned from do.getRootObject() where |
| do is the DataObject being serialized in a java.io.ObjectOutputStream. |
| When do.getContainer() == null then do is a root object. |
| |
| The byte format for each DataObject in the stream is: |
| [0] [path] [root] // when do is not a root object |
| [1] [rootXML] // when do is a root object |
| |
| where: |
| [0] is the byte 0, serialized using writeByte(0). |
| [1] is the byte 1, serialized using writeByte(1). |
| |
| [path] is an SDO path expression from the root DataObject to the serialized |
| DataObject such that root.getDataObject(path) == do. |
| Serialized using writeUTF(path). |
| |
| [root] is the root object serialized using writeObject(root). |
| |
| [rootXML] is the GZip of the XML serialization of the root DataObject. |
| The XML serialization is the same as |
| XMLHelper.INSTANCE.save(root, "commonj.sdo", "dataObject", stream); |
| where stream is a GZIPOutputStream, length is the number of bytes |
| in the stream, and bytes are the contents of the stream. |
| Serialized using writeInt(length), write(bytes). |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html#commonj.sdo.impl.ExternalizableDelegator">Serialized Form</A></DL> |
| <HR> |
| |
| <P> |
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| <B>Nested Class Summary</B></FONT></TH> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static interface</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../commonj/sdo/impl/ExternalizableDelegator.Resolvable.html" title="interface in commonj.sdo.impl">ExternalizableDelegator.Resolvable</A></B></CODE> |
| |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
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| <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="../../../commonj/sdo/impl/ExternalizableDelegator.html#ExternalizableDelegator()">ExternalizableDelegator</A></B>()</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><B><A HREF="../../../commonj/sdo/impl/ExternalizableDelegator.html#ExternalizableDelegator(java.lang.Object)">ExternalizableDelegator</A></B>(java.lang.Object target)</CODE> |
| |
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| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../commonj/sdo/impl/ExternalizableDelegator.html#readExternal(java.io.ObjectInput)">readExternal</A></B>(java.io.ObjectInput in)</CODE> |
| |
| <BR> |
| </TD> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> java.lang.Object</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../commonj/sdo/impl/ExternalizableDelegator.html#readResolve()">readResolve</A></B>()</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../commonj/sdo/impl/ExternalizableDelegator.html#writeExternal(java.io.ObjectOutput)">writeExternal</A></B>(java.io.ObjectOutput out)</CODE> |
| |
| <BR> |
| </TD> |
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| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| <B>Constructor Detail</B></FONT></TH> |
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| </TABLE> |
| |
| <A NAME="ExternalizableDelegator()"><!-- --></A><H3> |
| ExternalizableDelegator</H3> |
| <PRE> |
| public <B>ExternalizableDelegator</B>()</PRE> |
| <DL> |
| </DL> |
| <HR> |
| |
| <A NAME="ExternalizableDelegator(java.lang.Object)"><!-- --></A><H3> |
| ExternalizableDelegator</H3> |
| <PRE> |
| public <B>ExternalizableDelegator</B>(java.lang.Object target)</PRE> |
| <DL> |
| </DL> |
| |
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| <B>Method Detail</B></FONT></TH> |
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| </TABLE> |
| |
| <A NAME="writeExternal(java.io.ObjectOutput)"><!-- --></A><H3> |
| writeExternal</H3> |
| <PRE> |
| public void <B>writeExternal</B>(java.io.ObjectOutput out) |
| throws java.io.IOException</PRE> |
| <DL> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE>writeExternal</CODE> in interface <CODE>java.io.Externalizable</CODE></DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE>java.io.IOException</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="readExternal(java.io.ObjectInput)"><!-- --></A><H3> |
| readExternal</H3> |
| <PRE> |
| public void <B>readExternal</B>(java.io.ObjectInput in) |
| throws java.io.IOException, |
| java.lang.ClassNotFoundException</PRE> |
| <DL> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE>readExternal</CODE> in interface <CODE>java.io.Externalizable</CODE></DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE>java.io.IOException</CODE> |
| <DD><CODE>java.lang.ClassNotFoundException</CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="readResolve()"><!-- --></A><H3> |
| readResolve</H3> |
| <PRE> |
| public java.lang.Object <B>readResolve</B>() |
| throws java.io.ObjectStreamException</PRE> |
| <DL> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE>java.io.ObjectStreamException</CODE></DL> |
| </DD> |
| </DL> |
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