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Aerospike v3 Scala Client

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/*******************************************************************************
 * Copyright 2012-2014 by Aerospike.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 ******************************************************************************/
package com.aerospike.client.async;

import com.aerospike.client.AerospikeException;
import com.aerospike.client.Key;
import com.aerospike.client.command.BatchNode;
import com.aerospike.client.listener.ExistsSequenceListener;
import com.aerospike.client.policy.Policy;

public final class AsyncBatchExistsSequence extends AsyncMultiCommand {
	private final BatchNode.BatchNamespace batchNamespace;
	private final Policy policy;
	private final ExistsSequenceListener listener;
	
	public AsyncBatchExistsSequence(
		AsyncMultiExecutor parent,
		AsyncCluster cluster,
		AsyncNode node,
		BatchNode.BatchNamespace batchNamespace,
		Policy policy,
		ExistsSequenceListener listener
	) {
		super(parent, cluster, node, false);
		this.batchNamespace = batchNamespace;
		this.policy = policy;
		this.listener = listener;
	}
		
	@Override
	protected Policy getPolicy() {
		return policy;
	}

	@Override
	protected void writeBuffer() throws AerospikeException {
		setBatchExists(batchNamespace);
	}

	@Override
	protected void parseRow(Key key) throws AerospikeException {		
		if (opCount > 0) {
			throw new AerospikeException.Parse("Received bins that were not requested!");
		}			
		listener.onExists(key, resultCode == 0);
	}
}