Bug 121498 When datasource/dataset deleted, the datasource/dataset property binding element haven't been deleted
When deleted the datasource/dataset, the datasource/dataset property binding element haven't been deleted. Expected result: This operation must be a transaction.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/Module.java
return translations.contains( trans );
	}
	/**
	 * Returns the whole collection of translations defined for the report
	 * module.
	 * <p>
	 * 
	 * @return a list containing all the Translations.
	 */
	public List getTranslations( )
	{
		return translations.getTranslations( );
	}
	/**
	 * Returns the collection of translations defined for a specific message.
	 * The message is presented by its resourceKey.
	 * <p>
	 * 
	 * @param resourceKey
	 *            resource key for the message.
	 * @return a list containing all the Translations defined for the message.
	 */
	public List getTranslations( String resourceKey )
	{
		return translations.getTranslations( resourceKey );
	}
	/**
	 * Returns a string array containing all the resource keys defined for
	 * messages.
	 * <p>