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| org.apache.cayenne.util</FONT> |
| <BR> |
| Class PersistentObjectHolder</H2> |
| <PRE> |
| java.lang.Object |
| <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html" title="class in org.apache.cayenne.util">org.apache.cayenne.util.RelationshipFault</A> |
| <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.cayenne.util.PersistentObjectHolder</B> |
| </PRE> |
| <DL> |
| <DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, <A HREF="../../../../org/apache/cayenne/ValueHolder.html" title="interface in org.apache.cayenne">ValueHolder</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public class <B>PersistentObjectHolder</B><DT>extends <A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html" title="class in org.apache.cayenne.util">RelationshipFault</A><DT>implements <A HREF="../../../../org/apache/cayenne/ValueHolder.html" title="interface in org.apache.cayenne">ValueHolder</A></DL> |
| </PRE> |
| |
| <P> |
| A ValueHolder implementation that holds a single Persistent object related to an object |
| used to initialize PersistentObjectHolder. Value is resolved on first access. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>1.2</DD> |
| <DT><B>Author:</B></DT> |
| <DD>Andrus Adamchik</DD> |
| <DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#org.apache.cayenne.util.PersistentObjectHolder">Serialized Form</A></DL> |
| <HR> |
| |
| <P> |
| <!-- =========== FIELD SUMMARY =========== --> |
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| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Field Summary</B></FONT></TH> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#fault">fault</A></B></CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected java.lang.Object</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#value">value</A></B></CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| </TABLE> |
| <A NAME="fields_inherited_from_class_org.apache.cayenne.util.RelationshipFault"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Fields inherited from class org.apache.cayenne.util.<A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html" title="class in org.apache.cayenne.util">RelationshipFault</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html#relationshipName">relationshipName</A>, <A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html#relationshipOwner">relationshipOwner</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"> |
| <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="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#PersistentObjectHolder(org.apache.cayenne.Persistent, java.lang.String)">PersistentObjectHolder</A></B>(<A HREF="../../../../org/apache/cayenne/Persistent.html" title="interface in org.apache.cayenne">Persistent</A> relationshipOwner, |
| java.lang.String relationshipName)</CODE> |
| |
| <BR> |
| </TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <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>protected java.lang.Object</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#connect(org.apache.cayenne.Persistent)">connect</A></B>(<A HREF="../../../../org/apache/cayenne/Persistent.html" title="interface in org.apache.cayenne">Persistent</A> persistent)</CODE> |
| |
| <BR> |
| Returns an object that should be stored as a value in this ValueHolder, ensuring |
| that it is registered with the same context.</TD> |
| </TR> |
| <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="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#getValue()">getValue</A></B>()</CODE> |
| |
| <BR> |
| Returns a value resolving it via a query on the first call to this method.</TD> |
| </TR> |
| <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="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#getValueDirectly()">getValueDirectly</A></B>()</CODE> |
| |
| <BR> |
| Retrieves ValueHolder value without triggering fault resolution.</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="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#invalidate()">invalidate</A></B>()</CODE> |
| |
| <BR> |
| Turns a ValueHolder into a fault.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#isFault()">isFault</A></B>()</CODE> |
| |
| <BR> |
| Returns true if this holder is not resolved, meaning its object is not yet known.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>protected void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#resolve()">resolve</A></B>()</CODE> |
| |
| <BR> |
| Reads an object from the database.</TD> |
| </TR> |
| <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="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#setValue(java.lang.Object)">setValue</A></B>(java.lang.Object value)</CODE> |
| |
| <BR> |
| Sets an object value, marking this ValueHolder as resolved.</TD> |
| </TR> |
| <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="../../../../org/apache/cayenne/util/PersistentObjectHolder.html#setValueDirectly(java.lang.Object)">setValueDirectly</A></B>(java.lang.Object value)</CODE> |
| |
| <BR> |
| Sets ValueHolder vaue without triggering fault resolution.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_org.apache.cayenne.util.RelationshipFault"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class org.apache.cayenne.util.<A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html" title="class in org.apache.cayenne.util">RelationshipFault</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html#getRelationshipName()">getRelationshipName</A>, <A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html#getRelationshipOwner()">getRelationshipOwner</A>, <A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html#isTransientParent()">isTransientParent</A>, <A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html#isUncommittedParent()">isUncommittedParent</A>, <A HREF="../../../../org/apache/cayenne/util/RelationshipFault.html#resolveFromDB()">resolveFromDB</A></CODE></TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <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> |
| |
| <!-- ============ FIELD DETAIL =========== --> |
| |
| <A NAME="field_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Field Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="fault"><!-- --></A><H3> |
| fault</H3> |
| <PRE> |
| protected boolean <B>fault</B></PRE> |
| <DL> |
| <DL> |
| </DL> |
| </DL> |
| <HR> |
| |
| <A NAME="value"><!-- --></A><H3> |
| value</H3> |
| <PRE> |
| protected java.lang.Object <B>value</B></PRE> |
| <DL> |
| <DL> |
| </DL> |
| </DL> |
| |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| |
| <A NAME="constructor_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Constructor Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="PersistentObjectHolder(org.apache.cayenne.Persistent, java.lang.String)"><!-- --></A><H3> |
| PersistentObjectHolder</H3> |
| <PRE> |
| public <B>PersistentObjectHolder</B>(<A HREF="../../../../org/apache/cayenne/Persistent.html" title="interface in org.apache.cayenne">Persistent</A> relationshipOwner, |
| java.lang.String relationshipName)</PRE> |
| <DL> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="isFault()"><!-- --></A><H3> |
| isFault</H3> |
| <PRE> |
| public boolean <B>isFault</B>()</PRE> |
| <DL> |
| <DD>Returns true if this holder is not resolved, meaning its object is not yet known. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html#isFault()">isFault</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html" title="interface in org.apache.cayenne">ValueHolder</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="invalidate()"><!-- --></A><H3> |
| invalidate</H3> |
| <PRE> |
| public void <B>invalidate</B>()</PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html#invalidate()">ValueHolder</A></CODE></B></DD> |
| <DD>Turns a ValueHolder into a fault. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html#invalidate()">invalidate</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html" title="interface in org.apache.cayenne">ValueHolder</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getValue()"><!-- --></A><H3> |
| getValue</H3> |
| <PRE> |
| public java.lang.Object <B>getValue</B>() |
| throws <A HREF="../../../../org/apache/cayenne/CayenneRuntimeException.html" title="class in org.apache.cayenne">CayenneRuntimeException</A></PRE> |
| <DL> |
| <DD>Returns a value resolving it via a query on the first call to this method. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html#getValue()">getValue</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html" title="interface in org.apache.cayenne">ValueHolder</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="../../../../org/apache/cayenne/CayenneRuntimeException.html" title="class in org.apache.cayenne">CayenneRuntimeException</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="getValueDirectly()"><!-- --></A><H3> |
| getValueDirectly</H3> |
| <PRE> |
| public java.lang.Object <B>getValueDirectly</B>() |
| throws <A HREF="../../../../org/apache/cayenne/CayenneRuntimeException.html" title="class in org.apache.cayenne">CayenneRuntimeException</A></PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html#getValueDirectly()">ValueHolder</A></CODE></B></DD> |
| <DD>Retrieves ValueHolder value without triggering fault resolution. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html#getValueDirectly()">getValueDirectly</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html" title="interface in org.apache.cayenne">ValueHolder</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="../../../../org/apache/cayenne/CayenneRuntimeException.html" title="class in org.apache.cayenne">CayenneRuntimeException</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setValue(java.lang.Object)"><!-- --></A><H3> |
| setValue</H3> |
| <PRE> |
| public java.lang.Object <B>setValue</B>(java.lang.Object value) |
| throws <A HREF="../../../../org/apache/cayenne/CayenneRuntimeException.html" title="class in org.apache.cayenne">CayenneRuntimeException</A></PRE> |
| <DL> |
| <DD>Sets an object value, marking this ValueHolder as resolved. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html#setValue(java.lang.Object)">setValue</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html" title="interface in org.apache.cayenne">ValueHolder</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>value</CODE> - a new value of the ValueHolder. |
| <DT><B>Returns:</B><DD>a previous value saved in the ValueHolder. |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="../../../../org/apache/cayenne/CayenneRuntimeException.html" title="class in org.apache.cayenne">CayenneRuntimeException</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="setValueDirectly(java.lang.Object)"><!-- --></A><H3> |
| setValueDirectly</H3> |
| <PRE> |
| public java.lang.Object <B>setValueDirectly</B>(java.lang.Object value) |
| throws <A HREF="../../../../org/apache/cayenne/CayenneRuntimeException.html" title="class in org.apache.cayenne">CayenneRuntimeException</A></PRE> |
| <DL> |
| <DD><B>Description copied from interface: <CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html#setValueDirectly(java.lang.Object)">ValueHolder</A></CODE></B></DD> |
| <DD>Sets ValueHolder vaue without triggering fault resolution. |
| <P> |
| <DD><DL> |
| <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html#setValueDirectly(java.lang.Object)">setValueDirectly</A></CODE> in interface <CODE><A HREF="../../../../org/apache/cayenne/ValueHolder.html" title="interface in org.apache.cayenne">ValueHolder</A></CODE></DL> |
| </DD> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="../../../../org/apache/cayenne/CayenneRuntimeException.html" title="class in org.apache.cayenne">CayenneRuntimeException</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="connect(org.apache.cayenne.Persistent)"><!-- --></A><H3> |
| connect</H3> |
| <PRE> |
| protected java.lang.Object <B>connect</B>(<A HREF="../../../../org/apache/cayenne/Persistent.html" title="interface in org.apache.cayenne">Persistent</A> persistent)</PRE> |
| <DL> |
| <DD>Returns an object that should be stored as a value in this ValueHolder, ensuring |
| that it is registered with the same context. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="resolve()"><!-- --></A><H3> |
| resolve</H3> |
| <PRE> |
| protected void <B>resolve</B>()</PRE> |
| <DL> |
| <DD>Reads an object from the database. |
| <P> |
| <DD><DL> |
| </DL> |
| </DD> |
| <DD><DL> |
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