Brian O'Connor | 7775bda | 2015-02-06 15:01:18 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Sho SHIMIZU | 36a8a6e | 2015-02-13 15:38:45 -0800 | [diff] [blame] | 16 | package org.onosproject.net.intent.impl.phase; |
Brian O'Connor | 7775bda | 2015-02-06 15:01:18 -0800 | [diff] [blame] | 17 | |
| 18 | import org.onosproject.net.flow.FlowRuleOperations; |
| 19 | import org.onosproject.net.intent.IntentData; |
Sho SHIMIZU | bb4d827 | 2015-02-12 08:30:26 -0800 | [diff] [blame] | 20 | import org.onosproject.net.intent.IntentException; |
Sho SHIMIZU | b0a47d4 | 2015-02-19 13:26:30 -0800 | [diff] [blame^] | 21 | import org.onosproject.net.intent.impl.IntentProcessor; |
Sho SHIMIZU | bb4d827 | 2015-02-12 08:30:26 -0800 | [diff] [blame] | 22 | import org.slf4j.Logger; |
| 23 | import org.slf4j.LoggerFactory; |
Brian O'Connor | 7775bda | 2015-02-06 15:01:18 -0800 | [diff] [blame] | 24 | |
| 25 | import java.util.Optional; |
| 26 | |
| 27 | import static com.google.common.base.Preconditions.checkNotNull; |
| 28 | |
Sho SHIMIZU | 37a24a8 | 2015-02-09 09:12:21 -0800 | [diff] [blame] | 29 | /** |
| 30 | * Represents a phase to create a {@link FlowRuleOperations} instance |
| 31 | * with using registered intent installers. |
| 32 | */ |
Sho SHIMIZU | 36a8a6e | 2015-02-13 15:38:45 -0800 | [diff] [blame] | 33 | final class WithdrawCoordinating implements IntentProcessPhase { |
Brian O'Connor | 7775bda | 2015-02-06 15:01:18 -0800 | [diff] [blame] | 34 | |
Sho SHIMIZU | bb4d827 | 2015-02-12 08:30:26 -0800 | [diff] [blame] | 35 | private static final Logger log = LoggerFactory.getLogger(WithdrawCoordinating.class); |
| 36 | |
Sho SHIMIZU | b0a47d4 | 2015-02-19 13:26:30 -0800 | [diff] [blame^] | 37 | private final IntentProcessor processor; |
Brian O'Connor | 7775bda | 2015-02-06 15:01:18 -0800 | [diff] [blame] | 38 | private final IntentData pending; |
| 39 | private final IntentData current; |
| 40 | |
Sho SHIMIZU | b0a47d4 | 2015-02-19 13:26:30 -0800 | [diff] [blame^] | 41 | WithdrawCoordinating(IntentProcessor processor, IntentData pending, IntentData current) { |
| 42 | this.processor = checkNotNull(processor); |
Brian O'Connor | 7775bda | 2015-02-06 15:01:18 -0800 | [diff] [blame] | 43 | this.pending = checkNotNull(pending); |
Sho SHIMIZU | 6aa4fb4 | 2015-02-11 23:33:42 -0800 | [diff] [blame] | 44 | this.current = checkNotNull(current); |
Brian O'Connor | 7775bda | 2015-02-06 15:01:18 -0800 | [diff] [blame] | 45 | } |
| 46 | |
| 47 | @Override |
Sho SHIMIZU | 36a8a6e | 2015-02-13 15:38:45 -0800 | [diff] [blame] | 48 | public Optional<IntentProcessPhase> execute() { |
Sho SHIMIZU | bb4d827 | 2015-02-12 08:30:26 -0800 | [diff] [blame] | 49 | try { |
Brian O'Connor | e2eac10 | 2015-02-12 18:30:22 -0800 | [diff] [blame] | 50 | // Note: current.installables() are not null or empty due to createIntentUpdate check |
Sho SHIMIZU | b0a47d4 | 2015-02-19 13:26:30 -0800 | [diff] [blame^] | 51 | FlowRuleOperations flowRules = processor.uninstallCoordinate(current, pending); |
Sho SHIMIZU | bb4d827 | 2015-02-12 08:30:26 -0800 | [diff] [blame] | 52 | pending.setInstallables(current.installables()); |
Sho SHIMIZU | b0a47d4 | 2015-02-19 13:26:30 -0800 | [diff] [blame^] | 53 | return Optional.of(new Withdrawing(processor, pending, flowRules)); |
Sho SHIMIZU | bb4d827 | 2015-02-12 08:30:26 -0800 | [diff] [blame] | 54 | } catch (IntentException e) { |
| 55 | log.warn("Unable to generate generate a FlowRuleOperations from intent {} due to:", pending.intent(), e); |
| 56 | return Optional.of(new WithdrawingFailed(pending)); |
| 57 | } |
Brian O'Connor | 7775bda | 2015-02-06 15:01:18 -0800 | [diff] [blame] | 58 | } |
| 59 | } |