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Common utility classes for building Amazon AWS-based cloud pools.

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package com.elastisys.scale.cloudpool.aws.commons.poolclient.impl;

import java.util.Collection;
import java.util.List;

import com.amazonaws.AmazonClientException;
import com.amazonaws.services.ec2.model.Filter;
import com.amazonaws.services.ec2.model.SpotInstanceRequest;
import com.amazonaws.services.ec2.model.Tag;
import com.elastisys.scale.cloudpool.aws.commons.poolclient.SpotClient;
import com.elastisys.scale.cloudpool.aws.commons.requests.ec2.CancelSpotInstanceRequests;
import com.elastisys.scale.cloudpool.aws.commons.requests.ec2.GetSpotInstanceRequest;
import com.elastisys.scale.cloudpool.aws.commons.requests.ec2.GetSpotInstanceRequests;
import com.elastisys.scale.cloudpool.aws.commons.requests.ec2.PlaceSpotInstanceRequests;
import com.elastisys.scale.cloudpool.commons.basepool.config.ScaleOutConfig;

public class AwsSpotClient extends AwsEc2Client implements SpotClient {

	public AwsSpotClient() {
		super();
	}

	@Override
	public SpotInstanceRequest getSpotInstanceRequest(
			String spotInstanceRequestId) throws AmazonClientException {
		return new GetSpotInstanceRequest(awsCredentials(), region(),
				clientConfig(), spotInstanceRequestId).call();
	}

	@Override
	public List getSpotInstanceRequests(
			Collection filters) throws AmazonClientException {
		return new GetSpotInstanceRequests(awsCredentials(), region(),
				clientConfig(), filters).call();
	}

	@Override
	public List placeSpotRequests(double bidPrice,
			ScaleOutConfig scaleOutConfig, int count, List tags) {
		// no particular availability zone
		String availabilityZone = null;
		PlaceSpotInstanceRequests request = new PlaceSpotInstanceRequests(
				awsCredentials(), region(), clientConfig(), bidPrice,
				availabilityZone, scaleOutConfig.getSecurityGroups(),
				scaleOutConfig.getKeyPair(), scaleOutConfig.getSize(),
				scaleOutConfig.getImage(), scaleOutConfig.getEncodedUserData(),
				count, tags);
		return request.call();
	}

	@Override
	public void cancelSpotRequests(List spotInstanceRequestIds) {
		new CancelSpotInstanceRequests(awsCredentials(), region(),
				clientConfig(), spotInstanceRequestIds).call();
	}

}