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CollectionFilterKeyParameterSpecification.javaAPI DocHibernate 3.2.51823Wed Oct 18 22:25:42 BST 2006org.hibernate.param

CollectionFilterKeyParameterSpecification

public class CollectionFilterKeyParameterSpecification extends Object implements ParameterSpecification
A specialized ParameterSpecification impl for dealing with a collection-key as part of a collection filter compilation.
author
Steve Ebersole

(Omit source code)

Fields Summary
private final String
collectionRole
private final org.hibernate.type.Type
keyType
private final int
queryParameterPosition
Constructors Summary
public CollectionFilterKeyParameterSpecification(String collectionRole, org.hibernate.type.Type keyType, int queryParameterPosition)
Creates a specialized collection-filter collection-key parameter spec.

param
collectionRole The collection role being filtered.
param
keyType The mapped collection-key type.
param
queryParameterPosition The position within {@link org.hibernate.engine.QueryParameters} where we can find the appropriate param value to bind.

		this.collectionRole = collectionRole;
		this.keyType = keyType;
		this.queryParameterPosition = queryParameterPosition;
Methods Summary
public intbind(java.sql.PreparedStatement statement, org.hibernate.engine.QueryParameters qp, org.hibernate.engine.SessionImplementor session, int position)

		Object value = qp.getPositionalParameterValues()[queryParameterPosition];
		keyType.nullSafeSet( statement, value, position, session );
		return keyType.getColumnSpan( session.getFactory() );
public org.hibernate.type.TypegetExpectedType()

		return keyType;
public java.lang.StringrenderDisplayInfo()

		return "collection-filter-key=" + collectionRole;
public voidsetExpectedType(org.hibernate.type.Type expectedType)

		// todo : throw exception?