diff options
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/PartialFailureConstraint.java')
-rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/PartialFailureConstraint.java | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/PartialFailureConstraint.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/PartialFailureConstraint.java new file mode 100644 index 00000000..827859b1 --- /dev/null +++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/intent/constraint/PartialFailureConstraint.java @@ -0,0 +1,49 @@ +/* + * 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.constraint; + +import org.onosproject.net.Link; +import org.onosproject.net.Path; +import org.onosproject.net.intent.ConnectivityIntent; +import org.onosproject.net.intent.Constraint; +import org.onosproject.net.intent.Intent; +import org.onosproject.net.resource.link.LinkResourceService; + +/** + * A constraint that allows intents that can only be partially compiled + * (i.e. MultiPointToSinglePointIntent or SinglePointToMultiPointIntent) + * to be installed when some endpoints or paths are not found. + */ +public class PartialFailureConstraint implements Constraint { + @Override + public double cost(Link link, LinkResourceService resourceService) { + return 1; + } + + @Override + public boolean validate(Path path, LinkResourceService resourceService) { + return true; + } + + public static boolean intentAllowsPartialFailure(Intent intent) { + if (intent instanceof ConnectivityIntent) { + ConnectivityIntent connectivityIntent = (ConnectivityIntent) intent; + return connectivityIntent.constraints().stream() + .anyMatch(c -> c instanceof PartialFailureConstraint); + } + return false; + } +} |