GetBulkOperation.java

package com.rubiconproject.oss.kv.distributed.impl;

import java.util.Arrays;
import java.util.Map;
import java.util.concurrent.Callable;

import com.rubiconproject.oss.kv.distributed.AbstractOperation;
import com.rubiconproject.oss.kv.distributed.BulkOperation;
import com.rubiconproject.oss.kv.distributed.Operation;
import com.rubiconproject.oss.kv.distributed.OperationResult;
import com.rubiconproject.oss.kv.distributed.OperationStatus;
import com.rubiconproject.oss.kv.transcoder.Transcoder;

public class GetBulkOperation<V> extends AbstractOperation<V> implements
		BulkOperation<V>, Callable<OperationResult<V>> {
	private static final long serialVersionUID = -3908847991063100534L;

	protected String[] keys;

	public GetBulkOperation(Transcoder transcoder, String... keys) {
		super(transcoder, null);
		this.keys = keys;
	}

	public String getName() {
		return "getBulk";
	}

	public String[] getKeys() {
		return keys;
	}
	
	public GetBulkOperation<V> copy() {
		return new GetBulkOperation<V>(transcoder, keys);
	}

	public OperationResult<V> call() throws Exception {
		try {
			long start = System.currentTimeMillis();
			Map<String, V> results;
			OperationResult<V> result;

			if (transcoder == null)
				results = (Map<String, V>)store.getBulk(keys);
			else
				results = (Map<String, V>)store.getBulk(Arrays.asList(keys), transcoder);

			result = new GetBulkOperationResult<V>(this,results, 
						OperationStatus.Success, System.currentTimeMillis()- start, null);

			return result;
		}
		catch(Exception e)
		{
			// TODO log something useful here
			throw e;
		}
		finally {
		}
	}

}