| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * 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.onosproject.net.intent.impl.phase; |
| |
| import org.onosproject.net.flow.FlowRuleOperations; |
| import org.onosproject.net.intent.IntentData; |
| import org.onosproject.net.intent.IntentException; |
| import org.onosproject.net.intent.impl.IntentProcessor; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Optional; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Represents a phase to create a {@link FlowRuleOperations} instance |
| * with using registered intent installers. |
| */ |
| final class InstallCoordinating implements IntentProcessPhase { |
| |
| private static final Logger log = LoggerFactory.getLogger(InstallCoordinating.class); |
| |
| private final IntentProcessor processor; |
| private final IntentData pending; |
| private final IntentData current; |
| |
| InstallCoordinating(IntentProcessor processor, IntentData pending, IntentData current) { |
| this.processor = checkNotNull(processor); |
| this.pending = checkNotNull(pending); |
| this.current = current; |
| } |
| |
| @Override |
| public Optional<IntentProcessPhase> execute() { |
| try { |
| //FIXME we orphan flow rules that are currently on the data plane |
| // ... should either reuse them or remove them |
| FlowRuleOperations flowRules = processor.coordinate(current, pending); |
| return Optional.of(new Installing(processor, pending, flowRules)); |
| } catch (IntentException e) { |
| log.warn("Unable to generate a FlowRuleOperations from intent {} due to:", pending.intent().id(), e); |
| return Optional.of(new InstallingFailed(pending)); |
| } |
| } |
| } |