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Difference between revisions of "EclipseLink/Examples/DBWS/DBWSIntermediateIgnoreColumn"
< EclipseLink | Examples | DBWS
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− | + | <css> | |
+ | .source-java5 {padding:4px;border:1px solid black; background-color: white;} | ||
+ | .source-xml {padding:4px;border:1px solid black; background-color: white;} | ||
+ | .source-text {padding:4px;border:1px solid black; background-color: white;} | ||
+ | </css> | ||
+ | __NOTOC__ | ||
+ | |||
+ | == Skip a database column so that is does not show up in generated schema == | ||
+ | As seen in the previous [[../DBWSIntermediateAttribute|Intermediate example]], a user can provide a custom <code>NamingConventionTransformer</code>. | ||
+ | The following <code>NamingConventionTransformer</code> will: | ||
+ | * name the schema element '<tt>simple</tt>' | ||
+ | * make the element names lowercase | ||
+ | * skip the <tt>SINCE</tt> field | ||
+ | <source lang=java5> | ||
+ | package foo.bar.blah; | ||
+ | |||
+ | import org.eclipse.persistence.tools.dbws.DefaultNamingConventionTransformer; | ||
+ | import static org.eclipse.persistence.tools.dbws.NamingConventionTransformer.ElementStyle.ELEMENT; | ||
+ | import static org.eclipse.persistence.tools.dbws.NamingConventionTransformer.ElementStyle.NONE; | ||
+ | |||
+ | public class MyNamingConventionTransformer extends DefaultNamingConventionTransformer { | ||
+ | |||
+ | @Override | ||
+ | public String generateSchemaAlias(String tableName) { | ||
+ | return super.generateSchemaAlias("simple"); | ||
+ | } | ||
+ | |||
+ | @Override | ||
+ | public String generateElementAlias(String originalElementName) { | ||
+ | return super.generateElementAlias(originalElementName.toLowerCase()); | ||
+ | } | ||
+ | |||
+ | @Override | ||
+ | public ElementStyle styleForElement(String elementName) { | ||
+ | if ("since".equalsIgnoreCase(elementName)) { | ||
+ | return NONE; | ||
+ | } | ||
+ | return ELEMENT; | ||
+ | } | ||
+ | } | ||
+ | </source> | ||
+ | [[Category:EclipseLink/Example/DBWS]] |
Latest revision as of 10:06, 7 October 2010
Skip a database column so that is does not show up in generated schema
As seen in the previous Intermediate example, a user can provide a custom NamingConventionTransformer
.
The following NamingConventionTransformer
will:
- name the schema element 'simple'
- make the element names lowercase
- skip the SINCE field
package foo.bar.blah; import org.eclipse.persistence.tools.dbws.DefaultNamingConventionTransformer; import static org.eclipse.persistence.tools.dbws.NamingConventionTransformer.ElementStyle.ELEMENT; import static org.eclipse.persistence.tools.dbws.NamingConventionTransformer.ElementStyle.NONE; public class MyNamingConventionTransformer extends DefaultNamingConventionTransformer { @Override public String generateSchemaAlias(String tableName) { return super.generateSchemaAlias("simple"); } @Override public String generateElementAlias(String originalElementName) { return super.generateElementAlias(originalElementName.toLowerCase()); } @Override public ElementStyle styleForElement(String elementName) { if ("since".equalsIgnoreCase(elementName)) { return NONE; } return ELEMENT; } }