com.googlecode.objectify.impl.save.EmbeddedClassFieldSaver Maven / Gradle / Ivy

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*** THIS VERSION UPLOADED FOR USE WITH CEDAR-COMMON, TO AVOID DEPENDENCIES ON GOOGLE CODE-BASED MAVEN REPOSITORIES. *** The simplest convenient interface to the Google App Engine datastore

The newest version!

package com.googlecode.objectify.impl.save;

import java.lang.reflect.Field;

import com.google.appengine.api.datastore.Entity;
import com.googlecode.objectify.annotation.Indexed;
import com.googlecode.objectify.annotation.Unindexed;
import com.googlecode.objectify.impl.conv.Conversions;

/**
 * Saver which knows how to save simple embedded classes, not arrays or collections.
 * 
 * If the field is null, store a null
 */
public class EmbeddedClassFieldSaver extends FieldSaver
{
	/** Used to actually save the object in the field */
	ClassSaver classSaver;
	
	/**
	 * @param ignoreClassIndexing is for the class that contains this embedded class field, not the embedded class.
	 */
	public EmbeddedClassFieldSaver(Conversions conv, Class examinedClass, Field field, boolean ignoreClassIndexing, boolean collectionize)
	{
		super(examinedClass, field, ignoreClassIndexing, collectionize);
		
		boolean ignoreClassIndexingAnnotations =
			this.field.isAnnotationPresent(Indexed.class) || this.field.isAnnotationPresent(Unindexed.class);
		
		// Must pass the indexed from our member field, not from the inherited value
		this.classSaver = new ClassSaver(conv, field.getType(), ignoreClassIndexingAnnotations, collectionize, true);
	}
	
	/* (non-Javadoc)
	 * @see com.googlecode.objectify.impl.save.FieldSaver#saveValue(java.lang.Object, com.google.appengine.api.datastore.Entity, boolean)
	 */
	@Override
	public void saveValue(Object value, Entity entity, Path path, boolean index)
	{
		if (value == null)
		{
			this.setEntityProperty(entity, null, path, index);
		}
		else
		{
			this.classSaver.save(value, entity, path, index);
		}
	}
}