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/*
* Copyright 2015 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.MoreObjects.toStringHelper;
/**
* Implementation of IPv6 Extension Header pseudo-field criterion
* (16 bits). Those are defined in Criterion.IPv6ExthdrFlags.
*/
public final class IPv6ExthdrFlagsCriterion implements Criterion {
private static final int MASK = 0xffff;
private final int exthdrFlags; // IPv6 Exthdr flags: 16 bits
/**
* Constructor.
*
* @param exthdrFlags the IPv6 Extension Header pseudo-field flags
* to match (16 bits). Those are defined in Criterion.IPv6ExthdrFlags
*/
IPv6ExthdrFlagsCriterion(int exthdrFlags) {
this.exthdrFlags = exthdrFlags & MASK;
}
@Override
public Type type() {
return Type.IPV6_EXTHDR;
}
/**
* Gets the IPv6 Extension Header pseudo-field flags to match.
*
* @return the IPv6 Extension Header pseudo-field flags to match
* (16 bits). Those are defined in Criterion.IPv6ExthdrFlags
*/
public int exthdrFlags() {
return exthdrFlags;
}
@Override
public String toString() {
return toStringHelper(type().toString())
.add("exthdrFlags", Long.toHexString(exthdrFlags)).toString();
}
@Override
public int hashCode() {
return Objects.hash(type().ordinal(), exthdrFlags);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof IPv6ExthdrFlagsCriterion) {
IPv6ExthdrFlagsCriterion that = (IPv6ExthdrFlagsCriterion) obj;
return Objects.equals(exthdrFlags, that.exthdrFlags) &&
Objects.equals(this.type(), that.type());
}
return false;
}
}
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