Java tutorial
/************************************************************************* * 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 static com.eucalyptus.compute.common.CloudMetadata.NetworkAclMetadata; import java.util.Collections; import java.util.NoSuchElementException; import org.hibernate.criterion.Restrictions; import com.eucalyptus.component.annotation.ComponentNamed; import com.eucalyptus.compute.common.internal.vpc.NetworkAcl; import com.eucalyptus.compute.common.internal.vpc.NetworkAcls; 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 PersistenceNetworkAcls extends VpcPersistenceSupport<NetworkAclMetadata, NetworkAcl> implements NetworkAcls { public PersistenceNetworkAcls() { super("network-acl"); } @Override public <T> T lookupDefault(final String vpcId, final Function<? super NetworkAcl, T> transform) throws VpcMetadataException { try { return Iterables.getOnlyElement(listByExample(NetworkAcl.exampleDefault(), Predicates.alwaysTrue(), Restrictions.eq("vpc.displayName", vpcId), Collections.singletonMap("vpc", "vpc"), transform)); } catch (NoSuchElementException e) { throw new VpcMetadataNotFoundException("Default network acl not found for " + vpcId); } } @Override protected NetworkAcl exampleWithOwner(final OwnerFullName ownerFullName) { return NetworkAcl.exampleWithOwner(ownerFullName); } @Override protected NetworkAcl exampleWithName(final OwnerFullName ownerFullName, final String name) { return NetworkAcl.exampleWithName(ownerFullName, name); } }