com.avaje.ebeaninternal.server.persist.dmlbind.BindablePropertyInsertGenerated Maven / Gradle / Ivy

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/**
 * Copyright (C) 2006  Robin Bygrave
 * 
 * This file is part of Ebean.
 * 
 * Ebean is free software; you can redistribute it and/or modify it 
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *  
 * Ebean 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 Ebean; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA  
 */
package com.avaje.ebeaninternal.server.persist.dmlbind;

import java.sql.SQLException;

import com.avaje.ebeaninternal.server.deploy.BeanProperty;
import com.avaje.ebeaninternal.server.deploy.generatedproperty.GeneratedProperty;
import com.avaje.ebeaninternal.server.persist.dml.GenerateDmlRequest;

/**
 * Bindable for insert on a property with a GeneratedProperty.
 * 
 * This is typically a 'insert timestamp', 'update timestamp' or 'counter'.
 * 
 */
public class BindablePropertyInsertGenerated extends BindableProperty {
	
	private final GeneratedProperty gen;

	public BindablePropertyInsertGenerated(BeanProperty prop, GeneratedProperty gen) {
		super(prop);
		this.gen = gen;
	}
	
    public void dmlBind(BindableRequest request, boolean checkIncludes, Object bean) throws SQLException {
        dmlBind(request, checkIncludes, bean, true);
    }
    
    public void dmlBindWhere(BindableRequest request, boolean checkIncludes, Object bean) throws SQLException {
        dmlBind(request, checkIncludes, bean, false);
    }
    
    /**
     * Bind a value in a Insert SET clause.
     */
	private void dmlBind(BindableRequest request, boolean checkIncludes, Object bean, boolean bindNull) throws SQLException {
        
		Object value = gen.getInsertValue(prop, bean);
		
		// generated value should be the correct type
		if (bean != null){
			// support PropertyChangeSupport
			prop.setValueIntercept(bean, value);
			request.registerAdditionalProperty(prop.getName());
		}
        //value = prop.getDefaultValue();
	    request.bind(value, prop, prop.getName(), bindNull);
    }
	
	/**
	 * Always bind on Insert SET.
	 */
	@Override
	public void dmlAppend(GenerateDmlRequest request, boolean checkIncludes){
		request.appendColumn(prop.getDbColumn());
	}
	
}