org.hibernate.metamodel.binding.MetaAttribute Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat Inc. 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 Inc.
*
* 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.metamodel.binding;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* A meta attribute is a named value or values.
*
* @author Gavin King
*/
public class MetaAttribute implements Serializable {
private final String name;
private List values = new ArrayList();
public MetaAttribute(String name) {
this.name = name;
}
public String getName() {
return name;
}
public List getValues() {
return Collections.unmodifiableList(values);
}
public void addValue(String value) {
values.add( value );
}
public String getValue() {
if ( values.size() != 1 ) {
throw new IllegalStateException( "no unique value" );
}
return values.get( 0 );
}
public boolean isMultiValued() {
return values.size()>1;
}
public String toString() {
return "[" + name + "=" + values + "]";
}
}