Example usage for org.hibernate.mapping ManyToOne createPropertyRefConstraints

Introduction

In this page you can find the example usage for org.hibernate.mapping ManyToOne createPropertyRefConstraints.

Prototype

public void createPropertyRefConstraints(Map persistentClasses) 

Source Link

Usage

From source file:com.manydesigns.portofino.persistence.hibernate.HibernateConfig.java

License:Open Source License

protected void createM2O(Configuration config, Mappings mappings, ForeignKey relationship) {
    com.manydesigns.portofino.model.database.Table manyMDTable = relationship.getFromTable();
    com.manydesigns.portofino.model.database.Table oneMDTable = relationship.getToTable();
    String manyMDQualifiedTableName = manyMDTable.getActualEntityName();
    String oneMDQualifiedTableName = oneMDTable.getActualEntityName();

    RootClass clazz = (RootClass) mappings.getClass(manyMDQualifiedTableName);
    if (clazz == null) {
        logger.error("Cannot find table '{}' as 'many' side of foreign key '{}'. Skipping relationship.",
                manyMDQualifiedTableName, relationship.getName());
        return;//from   www  .  jav a2s.c  o  m
    }

    Table tab = clazz.getTable();
    List<String> columnNames = new ArrayList<String>();

    for (Reference ref : relationship.getReferences()) {
        if (ref.getActualFromColumn() == null) {
            logger.error("Missing from column {}, skipping relationship", ref.getFromColumn());
            return;
        }
        columnNames.add(ref.getFromColumn());
    }

    ManyToOne m2o = new ManyToOne(mappings, tab);
    m2o.setLazy(LAZY);
    final HashMap<String, PersistentClass> persistentClasses = new HashMap<String, PersistentClass>();
    persistentClasses.put(oneMDQualifiedTableName, config.getClassMapping(oneMDQualifiedTableName));
    m2o.setReferencedEntityName(oneMDQualifiedTableName);
    m2o.createPropertyRefConstraints(persistentClasses);

    PersistentClass manyClass = config.getClassMapping(manyMDQualifiedTableName);
    for (String columnName : columnNames) {
        Column col = new Column();
        col.setName(escapeName(columnName));
        //Recupero la colonna precedentemente associata alla tabella:
        //essa ha uno uniqueIdentifier generato al momento dell'associazione alla tabella;
        //questo viene utilizzato per disambiguare l'alias della colonna nelle query
        //SQL generate da Hibernate.
        col = manyClass.getTable().getColumn(col);
        if (col == null) {
            logger.error("Column not found in 'many' entity {}: {}, " + "skipping relationship",
                    manyClass.getEntityName(), columnName);
            return;
        }
        m2o.addColumn(col);
    }

    Property prop = new Property();
    prop.setName(relationship.getActualOnePropertyName());
    //prop.setNodeName(relationship.getActualOnePropertyName());
    prop.setValue(m2o);
    prop.setCascade("none"); //TODO era "all", capire
    prop.setInsertable(false);
    prop.setUpdateable(false);
    clazz.addProperty(prop);
}

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