diff options
Diffstat (limited to 'framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/phase/PurgeRequest.java')
-rw-r--r-- | framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/phase/PurgeRequest.java | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/phase/PurgeRequest.java b/framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/phase/PurgeRequest.java new file mode 100644 index 00000000..69126dfb --- /dev/null +++ b/framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/phase/PurgeRequest.java @@ -0,0 +1,70 @@ +/* + * 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.intent.IntentData; +import org.onosproject.net.intent.IntentState; +import org.slf4j.Logger; + +import java.util.Optional; + +import static com.google.common.base.Preconditions.checkNotNull; +import static org.slf4j.LoggerFactory.getLogger; + +/** + * Represents a phase of requesting a purge of an intent. + * <p> + * Note: The purge will only succeed if the intent is FAILED or WITHDRAWN. + * </p> + */ +final class PurgeRequest extends FinalIntentProcessPhase { + + private static final Logger log = getLogger(PurgeRequest.class); + + private final IntentData data; + private final Optional<IntentData> stored; + + PurgeRequest(IntentData intentData, Optional<IntentData> stored) { + this.data = checkNotNull(intentData); + this.stored = checkNotNull(stored); + } + + private boolean shouldAcceptPurge() { + if (!stored.isPresent()) { + log.info("Purge for intent {}, but intent is not present", + data.key()); + return true; + } + + IntentData storedData = stored.get(); + if (storedData.state() == IntentState.WITHDRAWN + || storedData.state() == IntentState.FAILED) { + return true; + } + log.info("Purge for intent {} is rejected because intent state is {}", + data.key(), storedData.state()); + return false; + } + + @Override + public IntentData data() { + if (shouldAcceptPurge()) { + return data; + } else { + return stored.get(); + } + } +} |