de.uniulm.omi.cloudiator.sword.drivers.openstack.strategy.ConfigurationFloatingIpPoolStrategy.java Source code

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Here is the source code for de.uniulm.omi.cloudiator.sword.drivers.openstack.strategy.ConfigurationFloatingIpPoolStrategy.java

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/*
 * Copyright (c) 2014-2018 University of Ulm
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership.  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 de.uniulm.omi.cloudiator.sword.drivers.openstack.strategy;

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.base.Optional;
import com.google.inject.Inject;
import com.google.inject.name.Named;
import de.uniulm.omi.cloudiator.sword.drivers.openstack.OpenstackConstants;

/**
 * Retrieves the floating ip pool by reading the configuration.
 */
public class ConfigurationFloatingIpPoolStrategy implements FloatingIpPoolStrategy {

    private @Inject(optional = true) @Named(OpenstackConstants.FLOATING_IP_POOL_PROPERTY) String floatingIpPoolName = null;

    @Override
    public Optional<String> apply(String virtualMachine) {
        checkNotNull(virtualMachine);
        return Optional.fromNullable(floatingIpPoolName);
    }
}