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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 ICMP code criterion (8 bits unsigned integer).
*/
public final class IcmpCodeCriterion implements Criterion {
private static final short MASK = 0xff;
private final short icmpCode; // The ICMP code: 8 bits
/**
* Constructor.
*
* @param icmpCode the ICMP code to match (8 bits unsigned integer)
*/
IcmpCodeCriterion(short icmpCode) {
this.icmpCode = (short) (icmpCode & MASK);
}
@Override
public Type type() {
return Type.ICMPV4_CODE;
}
/**
* Gets the ICMP code to match.
*
* @return the ICMP code to match (8 bits unsigned integer)
*/
public short icmpCode() {
return icmpCode;
}
@Override
public String toString() {
return toStringHelper(type().toString())
.add("icmpCode", icmpCode).toString();
}
@Override
public int hashCode() {
return Objects.hash(type().ordinal(), icmpCode);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof IcmpCodeCriterion) {
IcmpCodeCriterion that = (IcmpCodeCriterion) obj;
return Objects.equals(icmpCode, that.icmpCode) &&
Objects.equals(this.type(), that.type());
}
return false;
}
}
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