Example usage for org.hibernate.mapping ToOne getColumnIterator

Introduction

In this page you can find the example usage for org.hibernate.mapping ToOne getColumnIterator.

Prototype

@Override
    public Iterator<Selectable> getColumnIterator() 

Source Link

Usage

From source file:com.github.shyiko.rook.target.hibernate4.fulltextindex.SynchronizationContext.java

License:Apache License

@SuppressWarnings("unchecked")
private PrimaryKey resolveForeignPrimaryKey(org.hibernate.mapping.Collection collection,
        Map<String, IndexingDirective> directivesByEntityNameMap) {
    Table collectionTable = collection.getCollectionTable();
    ToOne element = (ToOne) collection.getElement();
    IndexingDirective indexingDirective = directivesByEntityNameMap.get(element.getReferencedEntityName());
    if (indexingDirective == null) {
        return null;
    }/*w ww .  j  a v  a  2s  . com*/
    Collection<String> targetPrimaryKeyColumnNames = new HashSet<String>();
    for (Iterator<Column> columnIterator = element.getColumnIterator(); columnIterator.hasNext();) {
        Column column = columnIterator.next();
        targetPrimaryKeyColumnNames.add(column.getName());
    }
    Map<String, Integer> columnIndexByNameMap = new HashMap<String, Integer>();
    int index = 0;
    for (Iterator<Column> columnIterator = collectionTable.getColumnIterator(); columnIterator.hasNext();) {
        Column column = columnIterator.next();
        if (targetPrimaryKeyColumnNames.contains(column.getName())) {
            columnIndexByNameMap.put(column.getName(), index);
        }
        index++;
    }
    return new PrimaryKey(indexingDirective.getPrimaryKey(), columnIndexByNameMap);
}

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