/*
* Copyright 1999-2008 University of Chicago
*
* 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.nimbustools.messaging.gt4_0_elastic.v2008_05_05.rm.defaults;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nimbustools.api.repr.SpotPriceEntry;
import org.nimbustools.api.services.rm.Manager;
import org.nimbustools.api.services.rm.ManageException;
import org.nimbustools.messaging.gt4_0_elastic.generated.v2010_08_31.DescribeSpotPriceHistoryResponseType;
import org.nimbustools.messaging.gt4_0_elastic.generated.v2010_08_31.DescribeSpotPriceHistoryType;
import org.nimbustools.messaging.gt4_0_elastic.generated.v2010_08_31.InstanceTypeSetItemType;
import org.nimbustools.messaging.gt4_0_elastic.generated.v2010_08_31.SpotPriceHistorySetItemType;
import org.nimbustools.messaging.gt4_0_elastic.generated.v2010_08_31.SpotPriceHistorySetType;
import org.nimbustools.messaging.gt4_0_elastic.v2008_05_05.general.ResourceAllocations;
import org.nimbustools.messaging.gt4_0_elastic.v2008_05_05.rm.DescribeSpotPriceHistory;
import java.rmi.RemoteException;
public class DefaultDescribeSpotPriceHistory implements DescribeSpotPriceHistory {
// -------------------------------------------------------------------------
// STATIC VARIABLES
// -------------------------------------------------------------------------
private static final Log logger =
LogFactory.getLog(DefaultDescribeSpotPriceHistory.class.getName());
// -------------------------------------------------------------------------
// INSTANCE VARIABLES
// -------------------------------------------------------------------------
protected final ResourceAllocations RAs;
// -------------------------------------------------------------------------
// CONSTRUCTOR
// -------------------------------------------------------------------------
public DefaultDescribeSpotPriceHistory(ResourceAllocations rasImpl) throws Exception {
if (rasImpl == null) {
throw new IllegalArgumentException("rasImpl may not be null");
}
this.RAs = rasImpl;
}
// -------------------------------------------------------------------------
// DESCRIBE SPOT PRICE HISTORY OPERATION
// -------------------------------------------------------------------------
public DescribeSpotPriceHistoryResponseType describeSpotPriceHistory(
DescribeSpotPriceHistoryType req, Manager manager)
throws RemoteException {
String supportedType = RAs.getSpotInstanceType();
InstanceTypeSetItemType[] instanceType = req.getInstanceTypeSet().getItem();
if(instanceType != null && instanceType.length > 0 && !supportedType.equals(instanceType[0].getInstanceType())){
throw new RemoteException(
"Unsupported spot instance type: '" + instanceType[0] + "'." +
" Currently supported SI type: " + supportedType);
}
SpotPriceEntry[] spotPriceHistory = null;
try {
spotPriceHistory = manager.getSpotPriceHistory(req.getStartTime(), req.getEndTime());
} catch (ManageException e) {
final String msg = "Problem retrieving spot price history : ";
if (logger.isDebugEnabled()) {
logger.error(msg + e.getMessage(), e);
} else {
logger.error(msg + e.getMessage());
}
}
DescribeSpotPriceHistoryResponseType result = new DescribeSpotPriceHistoryResponseType();
if(spotPriceHistory != null){
SpotPriceHistorySetItemType[] items = new SpotPriceHistorySetItemType[spotPriceHistory.length];
for (int i = 0; i < spotPriceHistory.length; i++) {
SpotPriceEntry spotPriceEntry = spotPriceHistory[i];
SpotPriceHistorySetItemType item = new SpotPriceHistorySetItemType();
item.setInstanceType(supportedType);
item.setTimestamp(spotPriceEntry.getTimeStamp());
item.setSpotPrice(spotPriceHistory[i].getSpotPrice().toString());
items[i] = item;
}
SpotPriceHistorySetType spotPriceHistorySet = new SpotPriceHistorySetType();
spotPriceHistorySet.setItem(items);
result.setSpotPriceHistorySet(spotPriceHistorySet);
}
return result;
}
}