| /* |
| * Copyright 2018-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 com.google.common.base.Objects; |
| import org.onosproject.net.pi.model.PiRegisterId; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Identifier of a register cell in a protocol-independent pipeline. |
| */ |
| @Beta |
| public final class PiRegisterCellId { |
| |
| private final PiRegisterId registerId; |
| private final long index; |
| |
| private PiRegisterCellId(PiRegisterId registerId, long index) { |
| this.registerId = registerId; |
| this.index = index; |
| } |
| |
| /** |
| * Returns the identifier of the register instance where this cell is |
| * contained. |
| * |
| * @return register identifier |
| */ |
| public PiRegisterId registerId() { |
| return registerId; |
| } |
| |
| /** |
| * Returns the register index to which this cell ID is associated. |
| * |
| * @return register index |
| */ |
| public long index() { |
| return index; |
| } |
| |
| /** |
| * Return a register cell ID for the given register ID and index. |
| * |
| * @param registerId register ID |
| * @param index index |
| * @return register cell ID |
| */ |
| public static PiRegisterCellId of(PiRegisterId registerId, long index) { |
| checkNotNull(registerId); |
| checkArgument(index >= 0, "Index must be a positive number"); |
| return new PiRegisterCellId(registerId, index); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| final PiRegisterCellId other = (PiRegisterCellId) obj; |
| return Objects.equal(this.registerId, other.registerId) |
| && Objects.equal(this.index, other.index); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(registerId, index); |
| } |
| |
| @Override |
| public String toString() { |
| return registerId.toString() + ':' + String.valueOf(index); |
| } |
| } |