/*
 * 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.envers.entities.mapper.id;
import org.hibernate.Query;

/**
 * @author Adam Warski (adam at warski dot org)
 */
public class QueryParameterData {
    private String flatEntityPropertyName;
    private Object value;

    public QueryParameterData(String flatEntityPropertyName, Object value) {
        this.flatEntityPropertyName = flatEntityPropertyName;
        this.value = value;
    }

    public String getProperty(String prefix) {
        if (prefix != null) {
            return prefix + "." + flatEntityPropertyName;
        } else {
            return flatEntityPropertyName;
        }
    }

    public Object getValue() {
        return value;
    }

    public void setParameterValue(Query query) {
        query.setParameter(flatEntityPropertyName, value);
    }

    public String getQueryParameterName() {
        return flatEntityPropertyName;
    }

    public boolean equals(Object o) {
        if (this == o) return true;
        if (!(o instanceof QueryParameterData)) return false;

        QueryParameterData that = (QueryParameterData) o;

        if (flatEntityPropertyName != null ? !flatEntityPropertyName.equals(that.flatEntityPropertyName) : that.flatEntityPropertyName != null)
            return false;

        return true;
    }

    public int hashCode() {
        return (flatEntityPropertyName != null ? flatEntityPropertyName.hashCode() : 0);
    }
}