| /* |
| * 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 com.google.common.base.Objects; |
| import org.onlab.util.ImmutableByteSequence; |
| import org.onosproject.net.pi.model.PiMatchFieldId; |
| import org.onosproject.net.pi.model.PiMatchType; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Instance of a range field match in a protocol-independent pipeline. |
| */ |
| @Beta |
| public final class PiRangeFieldMatch extends PiFieldMatch { |
| |
| private final ImmutableByteSequence lowValue; |
| private final ImmutableByteSequence highValue; |
| |
| /** |
| * Creates a new range field match for the given low and high value. |
| * |
| * @param fieldId field identifier |
| * @param lowValue low value |
| * @param highValue high value |
| */ |
| public PiRangeFieldMatch(PiMatchFieldId fieldId, ImmutableByteSequence lowValue, |
| ImmutableByteSequence highValue) { |
| super(fieldId); |
| this.lowValue = checkNotNull(lowValue); |
| this.highValue = checkNotNull(highValue); |
| checkArgument(lowValue.size() == highValue.size() && lowValue.size() > 0, |
| "Low and high values must have the same non-zero size."); |
| } |
| |
| @Override |
| public PiMatchType type() { |
| return PiMatchType.RANGE; |
| } |
| |
| /** |
| * Returns the low value of this range field match. |
| * |
| * @return low value |
| */ |
| public ImmutableByteSequence lowValue() { |
| return lowValue; |
| } |
| |
| /** |
| * Returns the high value of this range field match. |
| * |
| * @return high value |
| */ |
| public ImmutableByteSequence highValue() { |
| return highValue; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| PiRangeFieldMatch that = (PiRangeFieldMatch) o; |
| return Objects.equal(this.fieldId(), that.fieldId()) && |
| Objects.equal(lowValue, that.lowValue) && |
| Objects.equal(highValue, that.highValue); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(this.fieldId(), lowValue, highValue); |
| } |
| |
| @Override |
| public String toString() { |
| return this.fieldId().toString() + '=' + lowValue.toString() + "--" + highValue.toString(); |
| } |
| } |