org.hibernate.mapping.FetchProfile Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
package org.hibernate.mapping;
import java.util.LinkedHashSet;
/**
* A fetch profile allows a user to dynamically modify the fetching
* strategy used for particular associations at runtime, whereas that
* information was historically only statically defined in the metadata.
*
* @author Steve Ebersole
*/
public class FetchProfile {
private final String name;
private LinkedHashSet fetches = new LinkedHashSet();
public FetchProfile(String name) {
this.name = name;
}
public String getName() {
return name;
}
public LinkedHashSet getFetches() {
return fetches;
}
public void addFetch(String entity, String association, String style) {
fetches.add( new Fetch( entity, association, style ) );
}
public boolean equals(Object o) {
if ( this == o ) {
return true;
}
if ( o == null || getClass() != o.getClass() ) {
return false;
}
FetchProfile that = ( FetchProfile ) o;
return name.equals( that.name );
}
public int hashCode() {
return name.hashCode();
}
/**
* Defines an individual association fetch within the given profile.
*/
public static class Fetch {
private final String entity;
private final String association;
private final String style;
public Fetch(String entity, String association, String style) {
this.entity = entity;
this.association = association;
this.style = style;
}
public String getEntity() {
return entity;
}
public String getAssociation() {
return association;
}
public String getStyle() {
return style;
}
}
}