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| javax.jdo.spi</FONT> |
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| Interface Detachable</H2> |
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| <DT><PRE>public interface <B>Detachable</B></DL> |
| </PRE> |
| |
| <P> |
| This interface is implemented by classes that can be detached from the |
| persistence context and later attached. The interface includes the |
| contract by which the StateManager can set the object id, version, |
| BitSet of loaded fields, and BitSet of modified fields |
| so they are preserved while outside the persistence environment. |
| <P>The detached state is stored as a field in each instance of Detachable. |
| The field is serialized so as to maintain the state of the instance |
| while detached. While detached, only the BitSet of modified fields |
| will be modified. The structure of the Object[] jdoDetachedState |
| is as follows: |
| <ul><li>jdoDetachedState[0]: the Object Id of the instance |
| </li><li>jdoDetachedState[1]: the Version of the instance |
| </li><li>jdoDetachedState[2]: a BitSet of loaded fields |
| </li><li>jdoDetachedState[3]: a BitSet of modified fields |
| </li></ul> |
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| <DT><B>Version:</B></DT> |
| <DD>2.0</DD> |
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| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../javax/jdo/spi/Detachable.html#jdoReplaceDetachedState()">jdoReplaceDetachedState</A></B>()</CODE> |
| |
| <BR> |
| This method calls the StateManager with the current detached |
| state instance as a parameter and replaces the current detached |
| state instance with the value provided by the StateManager.</TD> |
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| jdoReplaceDetachedState</H3> |
| <PRE> |
| void <B>jdoReplaceDetachedState</B>()</PRE> |
| <DL> |
| <DD>This method calls the StateManager with the current detached |
| state instance as a parameter and replaces the current detached |
| state instance with the value provided by the StateManager. |
| <P> |
| <DD><DL> |
| <DT><B>Since:</B></DT> |
| <DD>2.0</DD> |
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