| /* |
| * Copyright 2017-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.bmv2.model; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.base.Objects; |
| import org.onosproject.net.pi.model.PiHeaderFieldTypeModel; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * BMv2 header field type model. |
| */ |
| @Beta |
| public final class Bmv2HeaderFieldTypeModel implements PiHeaderFieldTypeModel { |
| private final String name; |
| private final int bitWidth; |
| private final boolean signed; |
| |
| /** |
| * Builds a BMv2 header field type model with given information. |
| * |
| * @param name the name of field type |
| * @param bitWidth the bit width of field type |
| * @param signed header type field is signed or not |
| */ |
| public Bmv2HeaderFieldTypeModel(String name, int bitWidth, boolean signed) { |
| checkNotNull(name, "Header field type name can't be null"); |
| checkArgument(bitWidth > 0, "Bit width should be non-zero positive integer"); |
| this.name = name; |
| this.bitWidth = bitWidth; |
| this.signed = signed; |
| } |
| |
| @Override |
| public String name() { |
| return name; |
| } |
| |
| @Override |
| public int bitWidth() { |
| return bitWidth; |
| } |
| |
| /** |
| * Determine whether the header type field is signed or not. |
| * |
| * @return true if it is signed; otherwise false |
| */ |
| public boolean signed() { |
| return signed; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(name, bitWidth); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| final Bmv2HeaderFieldTypeModel other = (Bmv2HeaderFieldTypeModel) obj; |
| return Objects.equal(this.name, other.name) && |
| Objects.equal(this.bitWidth, other.bitWidth) && |
| Objects.equal(this.signed, other.signed); |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(this) |
| .add("name", name) |
| .add("bitWidth", bitWidth) |
| .toString(); |
| } |
| |
| |
| } |