diff options
Diffstat (limited to 'framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultOchSignalComparator.java')
-rw-r--r-- | framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultOchSignalComparator.java | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultOchSignalComparator.java b/framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultOchSignalComparator.java new file mode 100644 index 00000000..e605dcfd --- /dev/null +++ b/framework/src/onos/core/api/src/main/java/org/onosproject/net/DefaultOchSignalComparator.java @@ -0,0 +1,37 @@ +/* + * 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; + +import java.util.Comparator; + +import static com.google.common.base.Preconditions.checkArgument; +import static com.google.common.base.Preconditions.checkNotNull; + +/** + * Comparator implementation for OchSignal. Assumes identical grid type and channel spacing. + */ +public class DefaultOchSignalComparator implements Comparator<OchSignal> { + @Override + public int compare(OchSignal o1, OchSignal o2) { + checkNotNull(o1.gridType()); + checkNotNull(o1.channelSpacing()); + + checkArgument(o1.gridType().equals(o2.gridType())); + checkArgument(o1.channelSpacing().equals(o2.channelSpacing())); + + return o1.spacingMultiplier() * o1.slotGranularity() - o2.spacingMultiplier() * o2.slotGranularity(); + } +} |