Java 类org.hibernate.annotations.DiscriminatorOptions 实例源码

/**
 * Process all discriminator-related metadata per rules for "single table" inheritance
 */
private static Ejb3DiscriminatorColumn processSingleTableDiscriminatorProperties(
        XClass clazzToProcess,
        Mappings mappings,
        InheritanceState inheritanceState,
        EntityBinder entityBinder) {
    final boolean isRoot = !inheritanceState.hasParents();

    Ejb3DiscriminatorColumn discriminatorColumn = null;
    javax.persistence.DiscriminatorColumn discAnn = clazzToProcess.getAnnotation(
            javax.persistence.DiscriminatorColumn.class
    );
    DiscriminatorType discriminatorType = discAnn != null
            ? discAnn.discriminatorType()
            : DiscriminatorType.STRING;

    org.hibernate.annotations.DiscriminatorFormula discFormulaAnn = clazzToProcess.getAnnotation(
            org.hibernate.annotations.DiscriminatorFormula.class
    );
    if ( isRoot ) {
        discriminatorColumn = Ejb3DiscriminatorColumn.buildDiscriminatorColumn(
                discriminatorType,
                discAnn,
                discFormulaAnn,
                mappings
        );
    }
    if ( discAnn != null && !isRoot ) {
        LOG.invalidDiscriminatorAnnotation( clazzToProcess.getName() );
    }

    final String discriminatorValue = clazzToProcess.isAnnotationPresent( DiscriminatorValue.class )
            ? clazzToProcess.getAnnotation( DiscriminatorValue.class ).value()
            : null;
    entityBinder.setDiscriminatorValue( discriminatorValue );

    DiscriminatorOptions discriminatorOptions = clazzToProcess.getAnnotation( DiscriminatorOptions.class );
    if ( discriminatorOptions != null) {
        entityBinder.setForceDiscriminator( discriminatorOptions.force() );
        entityBinder.setInsertableDiscriminator( discriminatorOptions.insert() );
    }

    return discriminatorColumn;
}