diff options
Diffstat (limited to 'framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/phase/WithdrawRequest.java')
-rw-r--r-- | framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/phase/WithdrawRequest.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/WithdrawRequest.java b/framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/phase/WithdrawRequest.java new file mode 100644 index 00000000..8a0709e6 --- /dev/null +++ b/framework/src/onos/core/net/src/main/java/org/onosproject/net/intent/impl/phase/WithdrawRequest.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.impl.IntentProcessor; + +import java.util.Optional; + +import static com.google.common.base.Preconditions.checkNotNull; +import static org.onosproject.net.intent.impl.phase.IntentProcessPhase.transferErrorCount; + +/** + * Represents a phase of requesting a withdraw of an intent. + */ +final class WithdrawRequest implements IntentProcessPhase { + + private final IntentProcessor processor; + private final IntentData data; + private final Optional<IntentData> stored; + + /** + * Creates a withdraw request phase. + * + * @param processor intent processor to be passed to intent process phases + * generated after this phase + * @param intentData intent data to be processed + * @param stored intent data stored in the store + */ + WithdrawRequest(IntentProcessor processor, IntentData intentData, Optional<IntentData> stored) { + this.processor = checkNotNull(processor); + this.data = checkNotNull(intentData); + this.stored = checkNotNull(stored); + } + + @Override + public Optional<IntentProcessPhase> execute() { + //TODO perhaps we want to validate that the pending and current are the + // same version i.e. they are the same + // Note: this call is not just the symmetric version of submit + + transferErrorCount(data, stored); + + if (!stored.isPresent() || stored.get().installables().isEmpty()) { + switch (data.request()) { + case INSTALL_REQ: + return Optional.of(new Failed(data)); + case WITHDRAW_REQ: + default: //TODO "default" case should not happen + return Optional.of(new Withdrawn(data)); + } + } + + data.setInstallables(stored.get().installables()); + return Optional.of(new Withdrawing(processor, data)); + } +} |