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/*******************************************************************************
 * Copyright 2012 Apigee Corporation
 * 
 * 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.usergrid.persistence.cassandra;

import static org.usergrid.utils.ConversionUtils.bytebuffer;

import java.nio.ByteBuffer;
import java.util.List;

import me.prettyprint.cassandra.serializers.AbstractSerializer;
import me.prettyprint.hector.api.beans.DynamicComposite;

public class EntityValueSerializer extends AbstractSerializer {

	@Override
	public ByteBuffer toByteBuffer(Object obj) {
		ByteBuffer bytes = null;
		if (obj instanceof List) {
			bytes = DynamicComposite.toByteBuffer((List) obj);
		} else if (obj instanceof Object[]) {
			bytes = DynamicComposite.toByteBuffer((Object[]) obj);
		} else {
			bytes = bytebuffer(obj);
		}
		return bytes;
	}

	@Override
	public Object fromByteBuffer(ByteBuffer byteBuffer) {
		throw new IllegalStateException(
				"The entity value serializer can only be used for data going to the database, and not data coming from the database");
	}

}