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| <h2 title="Interface Detachable" class="title">Interface Detachable</h2> |
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| <pre>public interface <span class="typeNameLabel">Detachable</span></pre> |
| <div class="block">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></div> |
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| <dt><span class="simpleTagLabel">Version:</span></dt> |
| <dd>2.0</dd> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../javax/jdo/spi/Detachable.html#jdoReplaceDetachedState--">jdoReplaceDetachedState</a></span>()</code> |
| <div class="block">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.</div> |
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| <h4>jdoReplaceDetachedState</h4> |
| <pre>void jdoReplaceDetachedState()</pre> |
| <div class="block">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.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.0</dd> |
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