com.googlecode.objectify.KeyRange 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;

import java.io.Serializable;
import java.util.Iterator;

import com.googlecode.objectify.util.TranslatingIterator;

/**
 * This is a typesafe version of the KeyRange object.  It represents a number
 * of ids preallocated with {@code ObjectifyFactory#allocateIds(Class, long)}.
 * 
 * @author Jeff Schnitzer 
 */
public class KeyRange implements Iterable>, Serializable
{
	private static final long serialVersionUID = 1L;
	
	/** */
	com.google.appengine.api.datastore.KeyRange raw;
	
	/** */
	KeyRange(com.google.appengine.api.datastore.KeyRange raw)
	{
		this.raw = raw;
	}
	
	/**
	 * Get the raw datastore keyrange.
	 */
	public com.google.appengine.api.datastore.KeyRange getRaw() { return this.raw; }

	/* (non-Javadoc)
	 * @see java.lang.Iterable#iterator()
	 */
	@Override
	public Iterator> iterator()
	{
		return new TranslatingIterator>(this.raw.iterator()) {
			@Override
			protected Key translate(com.google.appengine.api.datastore.Key from)
			{
				return new Key(from);
			}
		};
	}
}