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/*
* Copyright (c) 2008, 2009, 2011 Oracle, Inc. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution. The Eclipse Public License is available
* at http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution License
* is available at http://www.eclipse.org/org/documents/edl-v10.php.
*/
package javax.persistence.criteria;
import javax.persistence.metamodel.CollectionAttribute;
import javax.persistence.metamodel.ListAttribute;
import javax.persistence.metamodel.MapAttribute;
import javax.persistence.metamodel.SetAttribute;
import javax.persistence.metamodel.SingularAttribute;
import java.util.Set;
/**
* Represents a bound type, usually an entity that appears in the from clause, but may also be an embeddable belonging to an entity in the from clause.
*
* Serves as a factory for Joins of associations, embeddables, and collections belonging to the type, and for Paths of attributes belonging to the type.
* @param the source type
* @param the target type
*/
@SuppressWarnings("hiding")
public interface From extends Path, FetchParent
{
/**
* Return the joins that have been made from this bound type. Returns empty set if no joins have been made
* from this bound type. Modifications to the set do not affect the query.
* @return joins made from this type
*/
Set> getJoins();
/**
* Whether the From object has been obtained as a result of correlation (use of a
* Subquery correlate method).
* @return boolean indicating whether the object has been obtained through correlation
*/
boolean isCorrelated();
/**
* Returns the parent From object from which the correlated From object has been
* obtained through correlation (use of a Subquery correlate method).
* @return the parent of the correlated From object
* @throws IllegalStateException if the From object has not been obtained through correlation
*/
From getCorrelationParent();
/**
* Create an inner join to the specified single-valued attribute.
* @param attribute target of the join
* @return the resulting join
* @param type
*/
Join join(SingularAttribute attribute);
/**
* Create a join to the specified single-valued attribute using the given join type.
* @param attribute target of the join
* @param jt join type
* @return the resulting join
* @param type
*/
Join join(SingularAttribute attribute, JoinType jt);
/**
* Create an inner join to the specified Collection-valued attribute.
* @param collection target of the join
* @return the resulting join
* @param type
*/
CollectionJoin join(CollectionAttribute collection);
/**
* Create an inner join to the specified Set-valued attribute.
* @param set target of the join
* @return the resulting join
* @param type
*/
SetJoin join(SetAttribute set);
/**
* Create an inner join to the specified List-valued attribute.
* @param list target of the join
* @return the resulting join
* @param type
*/
ListJoin join(ListAttribute list);
/**
* Create an inner join to the specified Map-valued attribute.
* @param map target of the join
* @return the resulting join
* @param Key type
* @param Value type
*/
MapJoin join(MapAttribute map);
/**
* Create a join to the specified Collection-valued attribute using the given join type.
* @param collection target of the join
* @param jt join type
* @return the resulting join
* @param type
*/
CollectionJoin join(CollectionAttribute collection, JoinType jt);
/**
* Create a join to the specified Set-valued attribute using the given join type.
* @param set target of the join
* @param jt join type
* @return the resulting join
* @param type
*/
SetJoin join(SetAttribute set, JoinType jt);
/**
* Create a join to the specified List-valued attribute using the given join type.
* @param list target of the join
* @param jt join type
* @return the resulting join
* @param type
*/
ListJoin join(ListAttribute list, JoinType jt);
/**
* Create a join to the specified Map-valued attribute using the given join type.
* @param map target of the join
* @param jt join type
* @return the resulting join
* @param Key type
* @param Value type
*/
MapJoin join(MapAttribute map, JoinType jt);
// String-based:
/**
* Create an inner join to the specified attribute.
* @param attributeName name of the attribute for the target of the join
* @return the resulting join
* @throws IllegalArgumentException if attribute of the given name does not exist
* @param type
* @param type
*/
Join join(String attributeName);
/**
* Create an inner join to the specified Collection-valued attribute.
* @param attributeName name of the attribute for the target of the join
* @return the resulting join
* @throws IllegalArgumentException if attribute of the given name does not exist
* @param type
* @param type
*/
CollectionJoin joinCollection(String attributeName);
/**
* Create an inner join to the specified Set-valued attribute.
* @param attributeName name of the attribute for the target of the join
* @return the resulting join
* @throws IllegalArgumentException if attribute of the given name does not exist
* @param type
* @param type
*/
SetJoin joinSet(String attributeName);
/**
* Create an inner join to the specified List-valued attribute.
* @param attributeName name of the attribute for the target of the join
* @return the resulting join
* @throws IllegalArgumentException if attribute of the given name does not exist
* @param type
* @param type
*/
ListJoin joinList(String attributeName);
/**
* Create an inner join to the specified Map-valued attribute.
* @param attributeName name of the attribute for the target of the join
* @return the resulting join
* @throws IllegalArgumentException if attribute of the given name does not exist
* @param type
* @param Key type
* @param Value type
*/
MapJoin joinMap(String attributeName);
/**
* Create a join to the specified attribute using the given join type.
* @param attributeName name of the attribute for the target of the join
* @param jt join type
* @return the resulting join
* @throws IllegalArgumentException if attribute of the given name does not exist
* @param type
* @param type
*/
Join join(String attributeName, JoinType jt);
/**
* Create a join to the specified Collection-valued attribute using the given join type.
* @param attributeName name of the attribute for the target of the join
* @param jt join type
* @return the resulting join
* @throws IllegalArgumentException if attribute of the given name does not exist
* @param type
* @param type
*/
CollectionJoin joinCollection(String attributeName, JoinType jt);
/**
* Create a join to the specified Set-valued attribute using the given join type.
* @param attributeName name of the attribute for the target of the join
* @param jt join type
* @return the resulting join
* @throws IllegalArgumentException if attribute of the given name does not exist
* @param type
* @param type
*/
SetJoin joinSet(String attributeName, JoinType jt);
/**
* Create a join to the specified List-valued attribute using the given join type.
* @param attributeName name of the attribute for the target of the join
* @param jt join type
* @return the resulting join
* @throws IllegalArgumentException if attribute of the given name does not exist
* @param type
* @param type
*/
ListJoin joinList(String attributeName, JoinType jt);
/**
* Create a join to the specified Map-valued attribute using the given join type.
* @param attributeName name of the attribute for the target of the join
* @param jt join type
* @return the resulting join
* @throws IllegalArgumentException if attribute of the given name does not exist
* @param type
* @param Key type
* @param Value type
*/
MapJoin joinMap(String attributeName, JoinType jt);
}