Example usage for org.hibernate.metadata ClassMetadata hasNaturalIdentifier

Introduction

In this page you can find the example usage for org.hibernate.metadata ClassMetadata hasNaturalIdentifier.

Prototype

boolean hasNaturalIdentifier();

Source Link

Document

Does this entity declare a natural id?

Usage

From source file:cz.jirutka.commons.hibernate.HibernateUtils.java

License:Open Source License

/**
 * Return names of properties holding NaturalId of the given entity's 
 * metadata./*from ww w .j  a  v  a2  s .  c o  m*/
 * 
 * @param metadata entity class metadata
 * @return names of properties holding NaturalId
 */
public static String[] getNaturalIdentifierNames(ClassMetadata metadata) {
    if (!metadata.hasNaturalIdentifier()) {
        return new String[0];
    }

    int[] naturalProps = metadata.getNaturalIdentifierProperties();
    String[] propNames = metadata.getPropertyNames();
    String[] naturalNames = new String[naturalProps.length];

    for (int i = 0; i < naturalProps.length; i++) {
        naturalNames[i] = propNames[naturalProps[i]];
    }
    return naturalNames;
}

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From source file:cz.jirutka.rsql.hibernate.builder.NaturalIdCriterionBuilder.java

License:Open Source License

/**
 * Check if given property associates an entity that has a natural 
 * identifier. This doesn't check if property is an association type or even
 * if it exists!//from   w  ww.j  a  v a2s . c om
 * 
 * @param property property name
 * @param builder parent <tt>CriteriaBuilder</tt>
 * @return <tt>true</tt> if given property associates an entity that has
 *         a natural identifier, <tt>false</tt> otherwise
 * @throws HibernateException If entity does not contain such property or
 *         it's not an association type.
 */
protected boolean hasNaturalIdentifier(String property, Class<?> entityClass, CriteriaBuilder builder)
        throws HibernateException {
    ClassMetadata classMetadata = builder.getClassMetadata(entityClass);
    if (classMetadata == null) {
        return false;
    }
    Class<?> type = findPropertyType(property, classMetadata);
    ClassMetadata assocClassMetadata = builder.getClassMetadata(type);

    return assocClassMetadata.hasNaturalIdentifier();
}

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From source file:cz.jirutka.rsql.hibernate.NaturalIdCriterionBuilder.java

License:Open Source License

/**
 * Check if given property associates an entity that has a natural 
 * identifier. This doesn't check if property is an association type or even
 * if it exists!/*from  ww  w.  java  2  s .co  m*/
 * 
 * @param property property name
 * @param builder parent <tt>CriteriaBuilder</tt>
 * @return <tt>true</tt> if given property associates an entity that has
 *         a natural identifier, <tt>false</tt> otherwise
 * @throws HibernateException If entity does not contain such property or
 *         it's not an association type.
 */
protected boolean hasNaturalIdentifier(String property, Class<?> entityClass, CriteriaBuilder builder)
        throws HibernateException {
    Class<?> type = findPropertyType(property, builder.getClassMetadata(entityClass));
    ClassMetadata assocClassMetadata = builder.getClassMetadata(type);

    return assocClassMetadata.hasNaturalIdentifier();
}

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From source file:es.logongas.ix3.dao.metadata.impl.MetaDataImplHibernate.java

License:Apache License

@Override
public List<String> getNaturalKeyPropertiesName() {

    List<String> naturalKeyPropertiesName = new ArrayList<String>();

    ClassMetadata classMetadata = getClassMetadata();
    if (classMetadata == null) {
        return naturalKeyPropertiesName;
    }//from  w w  w . j  a  va  2 s  .  c  o m

    if (classMetadata.hasNaturalIdentifier()) {

        int[] positions = classMetadata.getNaturalIdentifierProperties();
        String[] propertyNames = classMetadata.getPropertyNames();

        for (int i = 0; i < positions.length; i++) {
            int position = positions[i];
            String naturalKeyPropertyName = propertyNames[position];

            naturalKeyPropertiesName.add(naturalKeyPropertyName);
        }

    } else {
        //Si no hay clave natural, la lista no tendr ningn elemento
    }

    return naturalKeyPropertiesName;
}

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