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IndexedCollection.javaAPI DocHibernate 3.2.52341Sun Feb 20 01:37:56 GMT 2005org.hibernate.mapping

IndexedCollection

public abstract class IndexedCollection extends Collection
Indexed collections include Lists, Maps, arrays and primitive arrays.
author
Gavin King

(Omit source code)

Fields Summary
public static final String
DEFAULT_INDEX_COLUMN_NAME
private Value
index
private String
indexNodeName
Constructors Summary
public IndexedCollection(PersistentClass owner)


	   
		super(owner);
Methods Summary
voidcreatePrimaryKey()

		if ( !isOneToMany() ) {
			PrimaryKey pk = new PrimaryKey();
			pk.addColumns( getKey().getColumnIterator() );
			
			// index should be last column listed
			boolean isFormula = false;
			Iterator iter = getIndex().getColumnIterator();
			while ( iter.hasNext() ) {
				if ( ( (Selectable) iter.next() ).isFormula() ) isFormula=true;
			}
			if (isFormula) {
				//if it is a formula index, use the element columns in the PK
				pk.addColumns( getElement().getColumnIterator() );
			}
			else {
				pk.addColumns( getIndex().getColumnIterator() ); 
			}
			getCollectionTable().setPrimaryKey(pk);
		}
		else {
			// don't create a unique key, 'cos some
			// databases don't like a UK on nullable
			// columns
			/*ArrayList list = new ArrayList();
			list.addAll( getKey().getConstraintColumns() );
			list.addAll( getIndex().getConstraintColumns() );
			getCollectionTable().createUniqueKey(list);*/
		}
public ValuegetIndex()

		return index;
public java.lang.StringgetIndexNodeName()

		return indexNodeName;
public final booleanisIndexed()

		return true;
public booleanisList()

		return false;
public voidsetIndex(Value index)

		this.index = index;
public voidsetIndexNodeName(java.lang.String indexNodeName)

		this.indexNodeName = indexNodeName;
public voidvalidate(org.hibernate.engine.Mapping mapping)

		super.validate(mapping);
		if ( !getIndex().isValid(mapping) ) {
			throw new MappingException(
				"collection index mapping has wrong number of columns: " +
				getRole() +
				" type: " +
				getIndex().getType().getName()
			);
		}
		if ( indexNodeName!=null && !indexNodeName.startsWith("@") ) {
			throw new MappingException("index node must be an attribute: " + indexNodeName );
		}