/*************************************************************************
* Copyright 2009-2014 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
************************************************************************/
package com.eucalyptus.compute.vpc.persist;
import java.util.Collections;
import java.util.NoSuchElementException;
import javax.annotation.Nullable;
import org.hibernate.criterion.Restrictions;
import com.eucalyptus.component.annotation.ComponentNamed;
import com.eucalyptus.compute.common.CloudMetadata;
import com.eucalyptus.compute.common.internal.vpc.InternetGateway;
import com.eucalyptus.compute.common.internal.vpc.InternetGateways;
import com.eucalyptus.compute.common.internal.vpc.VpcMetadataException;
import com.eucalyptus.compute.common.internal.vpc.VpcMetadataNotFoundException;
import com.eucalyptus.auth.principal.OwnerFullName;
import com.google.common.base.Function;
import com.google.common.base.Predicates;
import com.google.common.collect.Iterables;
/**
*
*/
@ComponentNamed
public class PersistenceInternetGateways extends VpcPersistenceSupport<CloudMetadata.InternetGatewayMetadata, InternetGateway> implements InternetGateways {
public PersistenceInternetGateways( ) {
super( "internet-gateway" );
}
@Override
public <T> T lookupByVpc( @Nullable final OwnerFullName ownerFullName,
final String vpcId,
final Function<? super InternetGateway, T> transform ) throws VpcMetadataException {
try {
return Iterables.getOnlyElement( listByExample(
InternetGateway.exampleWithOwner( ownerFullName ),
Predicates.alwaysTrue(),
Restrictions.eq( "vpc.displayName", vpcId ),
Collections.singletonMap( "vpc", "vpc" ),
transform ) );
} catch ( NoSuchElementException e ) {
throw new VpcMetadataNotFoundException( "Internet gateway not found for " + vpcId );
}
}
@Override
protected InternetGateway exampleWithOwner( final OwnerFullName ownerFullName ) {
return InternetGateway.exampleWithOwner( ownerFullName );
}
@Override
protected InternetGateway exampleWithName( final OwnerFullName ownerFullName, final String name ) {
return InternetGateway.exampleWithName( ownerFullName, name );
}
}