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Oracle JHeadstart Developer's Guide - Downloads - Oracle

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5.7.2. Creating Intersection Shuttles<br />

4. Generate and you will get something like this:<br />

5. You can add a Quick Search Region to the left hand side of the shuttle. Then the<br />

shuttle will look something like this:<br />

Attention: When deattaching a record (moving from right to left), the<br />

employee has no relation with any department anymore. In database terms,<br />

the department_id column is set to null. This means it is best to use a parentshuttle<br />

with an optional foreign key.<br />

Use an intersection shuttle when you want to maintain an intersection between two<br />

ViewObjects. An intersection typically exists when there is a m:n relation between two<br />

View Objects. Examples:<br />

5 - 40 Generating Page Layouts <strong>JHeadstart</strong> Developer’s <strong>Guide</strong>

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