//$Id: Loadable.java 7458 2005-07-12 20:12:57Z oneovthafew $ package org.hibernate.persister.entity; import java.io.Serializable; import java.sql.ResultSet; import java.sql.SQLException; import org.hibernate.HibernateException; import org.hibernate.engine.SessionImplementor; import org.hibernate.type.Type; /** * Implemented by a <tt>EntityPersister</tt> that may be loaded * using <tt>Loader</tt>. * * @see org.hibernate.loader.Loader * @author Gavin King */ public interface Loadable extends EntityPersister { public static final String ROWID_ALIAS = "rowid_"; /** * Does this persistent class have subclasses? */ public boolean hasSubclasses(); /** * Get the discriminator type */ public Type getDiscriminatorType(); /** * Get the concrete subclass corresponding to the given discriminator * value */ public String getSubclassForDiscriminatorValue(Object value); /** * Get the names of columns used to persist the identifier */ public String[] getIdentifierColumnNames(); /** * Get the result set aliases used for the identifier columns, given a suffix */ public String[] getIdentifierAliases(String suffix); /** * Get the result set aliases used for the property columns, given a suffix (properties of this class, only). */ public String[] getPropertyAliases(String suffix, int i); /** * Get the result set column names mapped for this property (properties of this class, only). */ public String[] getPropertyColumnNames(int i); /** * Get the result set aliases used for the identifier columns, given a suffix */ public String getDiscriminatorAlias(String suffix); /** * @return the column name for the discriminator as specified in the mapping. */ public String getDiscriminatorColumnName(); /** * Does the result set contain rowids? */ public boolean hasRowId(); /** * Retrieve property values from one row of a result set */ public Object[] hydrate( ResultSet rs, Serializable id, Object object, Loadable rootLoadable, String[][] suffixedPropertyColumns, boolean allProperties, SessionImplementor session) throws SQLException, HibernateException; public boolean isAbstract(); }