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| Using PDX Serialization with Delta Propagation |
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| <p><a id="concept_F33AC930A8F14F0A9EE07AC31FFD8C8F__section_6C08121D7A034993A7422985FBC9A0D9"></a> |
| You can include delta propagation support with PDX serialization by implementing the <code>Delta</code> interface methods. |
| However, using delta propagation with PDX will require that you implement Java side classes. The objects will remain in deserialized form at all times on the server and you will lose one of the main benefits of PDX.</p> |
| |
| <p>In addition, you must set <code>read-serialized</code> to <code>false</code>. Otherwise, Java objects will be deserialized to instances of <code>PdxInstance</code>, which never implements deltas.</p> |
| |
| <p>The following code snippet is a sample implementation of the Delta interface methods for using with PDX serialization.</p> |
| <pre class="highlight plaintext"><code>class PdxWithDelta : public PdxSerializable, public Delta |
| { |
| public: |
| |
| bool hasDelta(); |
| void toDelta(DataOutput& output); |
| void fromDelta(DataInput& input); |
| DeltaPtr clone(); |
| |
| // other PdxSerializable methods here... |
| |
| }; |
| </code></pre> |
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