DataProviderType.java

/*
 * Copyright 2015 cruxframework.org.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.cruxframework.crux.core.rebind.dataprovider;



/**
 * @author Thiago da Rosa de Bustamante
 *
 */
public enum DataProviderType
{
	dataProvider("eagerPaged"), 
	lazyDataProvider("lazyPaged"), 
	streamingDataProvider("streamingPaged");
	
	public static final String DATA_PROVIDER_TYPE_PREFIX = "_dataProvider_";
	private String type;
	private DataProviderType(String type)
    {
		this.type = type;
    }
	
	public String getType()
	{
		return DATA_PROVIDER_TYPE_PREFIX+type;
	}
	
	public static boolean isDataProviderType(String type)
	{
		return (type != null && type.startsWith(DATA_PROVIDER_TYPE_PREFIX));
	}
	
	public static DataProviderType fromType(String type)
	{
		if (type == null || !type.startsWith(DATA_PROVIDER_TYPE_PREFIX))
		{
			return null;
		}
		
		type = type.substring(DATA_PROVIDER_TYPE_PREFIX.length());
		if (type.equals("eagerPaged"))
		{
			return dataProvider;
		}
		if (type.equals("lazyPaged"))
		{
			return lazyDataProvider;
		}
		if (type.equals("streamingPaged"))
		{
			return streamingDataProvider;
		}
		return null;
	}
}