| /* |
| * Copyright 2015-present 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.flow.criteria; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * Implementation of VLAN priority criterion (3 bits). |
| */ |
| public final class VlanPcpCriterion implements Criterion { |
| private static final byte MASK = 0x7; |
| private final byte vlanPcp; // VLAN pcp value: 3 bits |
| private final Type type; |
| |
| /** |
| * Constructor. |
| * |
| * @param vlanPcp the VLAN priority to match (3 bits) |
| */ |
| VlanPcpCriterion(byte vlanPcp) { |
| this.vlanPcp = (byte) (vlanPcp & MASK); |
| this.type = Type.VLAN_PCP; |
| } |
| |
| /** |
| * Constructs a vlan priority criterion with a specific type. |
| * |
| * @param vlanPcp the VLAN priority to match (3 bits) |
| * @param type a criterion type (only INNER_VLAN_PCP and VLAN_PCP are supported) |
| */ |
| VlanPcpCriterion(byte vlanPcp, Type type) { |
| checkArgument( |
| type == Type.INNER_VLAN_PCP || type == Type.VLAN_PCP, |
| "Type can only be inner vlan or vlan"); |
| this.vlanPcp = (byte) (vlanPcp & MASK); |
| this.type = type; |
| } |
| |
| @Override |
| public Type type() { |
| return type; |
| } |
| |
| /** |
| * Gets the VLAN priority to match. |
| * |
| * @return the VLAN priority to match (3 bits) |
| */ |
| public byte priority() { |
| return vlanPcp; |
| } |
| |
| @Override |
| public String toString() { |
| return type().toString() + SEPARATOR + Long.toHexString(vlanPcp); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(type().ordinal(), vlanPcp); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof VlanPcpCriterion) { |
| VlanPcpCriterion that = (VlanPcpCriterion) obj; |
| return Objects.equals(vlanPcp, that.vlanPcp) && |
| Objects.equals(this.type(), that.type()); |
| } |
| return false; |
| } |
| } |