org.hibernate.mapping.MetaAttribute.java Source code

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Here is the source code for org.hibernate.mapping.MetaAttribute.java

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.mapping;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;

/**
 * A meta attribute is a named value or values.
 *
 * @author Gavin King
 */
public class MetaAttribute implements Serializable {
    private String name;
    private java.util.List values = new ArrayList();

    public MetaAttribute(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public java.util.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 (String) values.get(0);
    }

    public boolean isMultiValued() {
        return values.size() > 1;
    }

    public String toString() {
        return "[" + name + "=" + values + "]";
    }
}