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.loadbalancing.config; import org.apache.log4j.Logger; import com.eucalyptus.loadbalancing.common.LoadBalancing; import com.eucalyptus.loadbalancing.workflow.WorkflowClientManager; import com.google.common.base.Predicates; import com.google.common.collect.Iterables; import com.eucalyptus.balancing.common.config.DeregisterLoadBalancingType; import com.eucalyptus.balancing.common.config.DescribeLoadBalancingType; import com.eucalyptus.balancing.common.config.ModifyLoadBalancingAttributeType; import com.eucalyptus.balancing.common.config.RegisterLoadBalancingType; import com.eucalyptus.bootstrap.Handles; import com.eucalyptus.component.AbstractServiceBuilder; import com.eucalyptus.component.ComponentId; import com.eucalyptus.component.ComponentIds; import com.eucalyptus.component.ServiceConfiguration; import com.eucalyptus.component.ServiceConfigurations; import com.eucalyptus.component.ServiceRegistrationException; import com.eucalyptus.component.annotation.ComponentPart; /** * */ @ComponentPart(LoadBalancing.class) @Handles({ DeregisterLoadBalancingType.class, DescribeLoadBalancingType.class, ModifyLoadBalancingAttributeType.class, RegisterLoadBalancingType.class, }) public class LoadBalancingServiceBuilder extends AbstractServiceBuilder<LoadBalancingConfiguration> { private static final Logger LOG = Logger.getLogger(LoadBalancingServiceBuilder.class); @Override public LoadBalancingConfiguration newInstance() { return new LoadBalancingConfiguration(); } @Override public LoadBalancingConfiguration newInstance(String partition, String name, String host, Integer port) { return new LoadBalancingConfiguration(partition, name, host, port); } @Override public ComponentId getComponentId() { return ComponentIds.lookup(LoadBalancing.class); } @Override public void fireStart(ServiceConfiguration config) throws ServiceRegistrationException { } @Override public void fireStop(ServiceConfiguration config) throws ServiceRegistrationException { } @Override public void fireCheck(ServiceConfiguration config) throws ServiceRegistrationException { } @Override public void fireEnable(ServiceConfiguration config) throws ServiceRegistrationException { } @Override public void fireDisable(ServiceConfiguration config) throws ServiceRegistrationException { } @SuppressWarnings("unchecked") private boolean noOtherEnabled(final ServiceConfiguration config) { return Iterables.isEmpty(ServiceConfigurations.filter(LoadBalancing.class, Predicates.and(ServiceConfigurations.filterHostLocal(), ServiceConfigurations.filterEnabled(), Predicates.not(Predicates.equalTo(config))))); } }