/*
 * Copyright (C) 2014 University of Dundee & Open Microscopy Environment.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package ome.model.internal;

import java.io.Serializable;

import javax.persistence.Column;
import javax.persistence.Embeddable;

/**
 * class to store a single value in an ordered list.
 */
@Embeddable
public class NamedValue implements Serializable, Primitive {

    private static final long serialVersionUID = 1L;

    // ~ Constructors
    // =========================================================================

    /**
     * no-arg constructor to keep Hibernate happy.
     */
    @Deprecated
    public NamedValue() {
        // no-op
    }

    public NamedValue(String name, String value) {
        this.name = name;
        this.value = value;
    }

    // ~ Fields
    // =========================================================================

    /**
     * Key of a map-like entry.
     */
    private String name = null;

    /**
     * Value of a map-like entry.
     */
    private String value = null;

    // ~ Property accessors : used primarily by Hibernate
    // =========================================================================

    @Column(name = "name", nullable = false)
    public String getName() {
        return this.name;
    }

    @Column(name = "value", nullable = false)
    public String getValue() {
        return this.value;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setValue(String value) {
        this.value = value;
    }

    // ~ Java overrides
    // =========================================================================

    @Override
    public int hashCode() {
        final int prime = 139;
        int result = 1;
        result = prime * result + ((name == null) ? 0 : name.hashCode());
        result = prime * result + ((value == null) ? 0 : value.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        NamedValue other = (NamedValue) obj;
        if (name == null) {
            if (other.name != null)
                return false;
        } else if (!name.equals(other.name))
            return false;
        if (value == null) {
            if (other.value != null)
                return false;
        } else if (!value.equals(other.value))
            return false;
        return true;
    }

    @Override
    public String toString() {
        return "NamedValue<" + name+ ", " + value+ ">";
    }

}