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<?php
/**
* Copyright 2012-2014 Rackspace US, Inc.
*
* 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.
*/
namespace OpenCloud\CloudMonitoring\Resource;
use OpenCloud\CloudMonitoring\Exception;
use OpenCloud\Common\Http\Message\Formatter;
/**
* Agent class.
*/
class Agent extends ReadOnlyResource
{
/**
* Agent IDs are user specified strings that are a maximum of 255 characters and can contain letters, numbers,
* dashes and dots.
*
* @var string
*/
private $id;
/**
* @var int UTC timestamp of last connection.
*/
private $last_connected;
protected static $json_name = false;
protected static $json_collection_name = 'values';
protected static $url_resource = 'agents';
/**
* @return mixed
* @throws \OpenCloud\CloudMonitoring\Exception\AgentException
*/
public function getConnections()
{
if (!$this->getId()) {
throw new Exception\AgentException(
'Please specify an "ID" value'
);
}
return $this->getService()->resourceList('AgentConnection', $this->getUrl('connections'));
}
/**
* @param $connectionId
* @return mixed
* @throws \OpenCloud\CloudMonitoring\Exception\AgentException
*/
public function getConnection($connectionId)
{
if (!$this->getId()) {
throw new Exception\AgentException(
'Please specify an "ID" value'
);
}
$url = clone $this->getUrl();
$url->addPath('connections')->addPath($connectionId);
$response = $this->getClient()->get($url)->send();
$body = Formatter::decode($response);
return $this->getService()->resource('AgentConnection', $body);
}
/**
* Retrieves the agent host object responsible for monitoring certain
* metrics for an agent.
*
* @return AgentHost
*/
public function getAgentHost()
{
return $this->getService()->resource('AgentHost', null, $this);
}
}