| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.pi.runtime; |
| |
| import com.google.common.annotations.Beta; |
| import org.onlab.util.Identifier; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.net.pi.runtime.PiCounterType.INDIRECT; |
| |
| /** |
| * Identifier of an indirect counter cell in a protocol-independent pipeline. |
| */ |
| @Beta |
| public final class PiIndirectCounterCellId extends Identifier<String> implements PiCounterCellId { |
| |
| private final PiCounterId counterId; |
| private final long index; |
| |
| private PiIndirectCounterCellId(PiCounterId counterId, long index) { |
| super(counterId.toString() + "[" + index + "]"); |
| this.counterId = counterId; |
| this.index = index; |
| } |
| |
| /** |
| * Returns a counter cell identifier for the given counter identifier and index. |
| * |
| * @param counterId counter identifier |
| * @param index index |
| * @return counter cell identifier |
| */ |
| public static PiIndirectCounterCellId of(PiCounterId counterId, long index) { |
| checkNotNull(counterId); |
| checkArgument(counterId.type() == INDIRECT, "Counter ID must be of type INDIRECT"); |
| checkArgument(index >= 0, "Index must be a positive integer"); |
| return new PiIndirectCounterCellId(counterId, index); |
| } |
| |
| /** |
| * Returns the index of this cell. |
| * |
| * @return cell index |
| */ |
| public long index() { |
| return index; |
| } |
| |
| @Override |
| public PiCounterId counterId() { |
| return counterId; |
| } |
| |
| @Override |
| public PiCounterType type() { |
| return INDIRECT; |
| } |
| } |